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AFC Cherry Creek

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Meet the AFC Denver Team

AFC Urgent Care Denver Providers Strive for Comprehensive and Compassionate Care. Come meet our team members:

Our Team & Company Values

We share similar core values that drive us to bring the best of who we are to work every day.

Every patient who walks through AFC Urgent Care Denver doors deserves nothing less. These values include: a respect and consideration for others, honesty and integrity.

It means compassion and kindness for all. Teamwork and a spirit of cooperation. Initiative and bringing excellence to everything we do. This is who we are.

Join Our Team

Our Company Culture and Mission

AFC Urgent Care Denver: Who We Are

The AFC Urgent Care Denver Team

Darius Kerman, CEO


  • BSEE at University of Regensburg, Germany
  • MBA at University of Kempten, Germany.

Darius is a result-driven leader, focuses on pursuing a clear vision. His passion is to work with motivated and talented people and to help them reach their goals.

He was a founder and Co-founder of several companies across different industries. At 2012, Darius decided to switch to the healthcare industry by purchasing franchise licenses from American Family Care. Since then Darius and his wife, Shay, are growing their business to one of the biggest AFC franchisees in the nation.

In his spare time, he enjoys downhill skiing, biking and he recently started playing tennis. His motto is to work hard and play hard and follows the ancient proverb of “a sound mind in a sound body”.

His wife, Shay, loves to cook and he is a big fan of her meals. They spend most of their evening enjoying a homemade dinner and Darius, of course, in charge of the dishes.

Shay Kerman, President & COO

Shay Kerman serves as president and chief operating officer of Urgent Care Solutions, dba AFC Urgent Care, a healthcare company with over 100 employees in Denver, overseeing the strategic and operational activities. She is experienced in operating outpatient clinics with a demonstrated history of working in a wide range of different industries.

Currently at Urgent Care Solutions, she is providing quality healthcare in communities and helping people be better healthcare users. Before starting her healthcare company, she worked in other industries such as engineering and education. She has a bachelor’s degree in chemistry from PolyTechnic University and an MBA from Kempten University. She enjoys working on strategic, tactical, and operational growth of companies and has helped many companies and nonprofits that need consultation.

Shay is interested in the variations and commonalities of how some of today’s most complex healthcare challenges are experienced across the continuum of care. She believes healthcare is a human right. She works with various organizations in building and implementing clinical outreaches to some of the most remote villages in Africa. She has worked with project C.U.R.E and Maranatha’s medical team in building satellite clinics and offering outpatient services in Ghana and Zambia.

Shay has a strong background in leadership, operations, strategic planning, and performance improvement in a wide range of company environments and high paced growth-oriented organizations.

Johnny Shen, MD, CMO

Medical Education: UT Health in San Antonio 2007-2011

Degree / Specialty: MD/ Family Medicine

Residency History: Houston Methodist Hospital 2011-2014

Fun facts like hobbies, family, etc:

My family immigrated from Taiwan. I am an avid reptile hobbyist, especially in keeping turtles. I have over 50 turtles in captivity. I also grow a wide array of carnivorous plants. I enjoy snowboarding, hiking, tennis, weight-lifting, krav maga, cooking, drawing, music festivals, and competitive street-dance such as breaking.

Zeeshan Ahmed, MD

Educational background:

BA at Miami University, Oxford OH MD at University of Toledo College of Medicine, Toledo OH

Residency in Emergency Medicine at New York-Presbyterian Queens, Flushing NY

Board certified in Emergency Medicine

I’ve worked in various emergency departments in addition to working with Medecins San Frontieres (Doctors Without Borders).


I enjoy cooking, listening to music (specifically new wave, punk rock, rockabilly and alt-country), watching sci-fi/action movies from the 80s, gardening, and dancing at weddings. I love all things Art Deco and the American West. I love coffee and craft beer. I’ve been called the “Indian Uncle Jesse”. I have a strange fascination with UFOs. Bruce Springsteen is my hero.

Medical Provider Team

Emma Gladson - DNP, FNP-BC

Emma Gladson: DNP, FNP-BC

Education background

  • BSN – Regis University Denver, Co (2012)
  • MSN – Regis University Denver, Co (2017)
  • DNP – Regis University Denver, Co (2019)

Emma has been in healthcare since 2012. She is a Colorado Native and loves everything about Colorado.In her spare time, Emma enjoys spending time with her husband hiking, skiing, traveling and hanging out with her cat, Otis. Emma has completed 27 of the Colorado 14ers and has hopes to complete all of them one day.

Angela Slinden, FNP

Medical Education: 12 years of experience beginning as a Registered Nurse for 5 years, followed by 7 years of Family Medicine and Urgent Care as a Nurse Practitioner

Degree / Specialty: Bachelor’s of Science in Nursing from University of Colorado 2008, Masters of Science in Nursing from Frontier University 2012 / Family Medicine – Nurse Practitioner – Board Certified

Residency History: Clinical medical training in Family Medicine and numerous specialties throughout Colorado Springs and Denver

Fun facts like hobbies, family, etc:

I enjoy traveling with my husband to 16 countries now. I have two pugs that snore a lot. I truly enjoy my job, helping patients feel better.

Devin Pinaroc, FNP-C

Educational Background: BA in Medicine, Health, & Society from Vanderbilt University; Masters in Nursing Science, Family Medicine Specialty from Vanderbilt University School of Nursing;

Fun Facts like hobbies, interest, etc: When I am not working, you can find me in the mountains. I love everything outdoors – hiking, camping, mtn biking, rock climbing, and fishing. Recently, I’ve gotten into the more extreme mountain sports, specifically ski mountaineering. Last season, I climbed and skied Lamb’s Slide Coulior off Longs Peak and this year, I tackled several peaks off Independence Pass. My lifelong goal is to ski all the 14n’ers in Colorado!

Kevin Ralls, DNP, FNP-C

Medical Education: University of Arizona College of Nursing

Degree / Specialty: Doctor of Nursing Practice – Family Nurse Practitioner (2014), Master of Science in Nursing – Family Nurse Practitioner (2013)

Residency History: University of Arizona DNP Family Nurse Practitioner Residency/Preceptorship Program

Fun facts like hobbies, family, etc:

Activities I enjoy include running, snowboarding, camping, scuba diving, checking out local breweries, and exploring Denver with my Wife and 2 dogs.

Annie Silverwood (NP)

Medical Education

Duke University School of Nursing

Master of Science in Nursing, Family Nurse Practitioner

Queens University of Charlotte

Bachelor of Science in NursingVirginia Polytechnic Institute and State University

Bachelor of Science in Human Nutrition, Foods and Exercise; Concentration Dietetics

Specialty Experience:

I grew up outside of Washington, DC in Alexandria, Virginia. I attended Duke University for my graduate studies and Virginia Tech and Queens University of Charlotte for my undergraduate degrees. As part of fulfilling my clinical requirements, I provided medical care in the community of Moshi, Tanzania in Africa. This invaluable experience inspired me to seek ways to care for those less fortunate, in addition to gaining a global perspective of healthcare. Prior to joining the AFC Denver team, I worked extensively in pediatrics and then transitioned into urgent care. I am dedicated to providing compassionate, individualized healthcare for my patients in the Denver area.

Michael McGurren - MD

Medical Education: Creighton University School of Medicine, Omaha, NE

Degree: MD/Emergency Medicine Board Certified

Residency History: Washington University in St. Louis, Barnes-Jewish Hospital, St. Louis, MO

Chief Residency Emergency Medicine

Fun Facts, etc: Born and raised in Denver, I’ve been to over 30 countries. I’ve had my Captains license for five years and have sailed over 2500 nautical miles to date. When I’m not sailing, my wife and I can be found traveling North America in our DIY Campervan with our pup Kylo.

Nicholas Kramer - MD

Medical School: Meharry Medical College in Nashville, TN

Residency: Emergency Medicine at University of Central Florida in Orlando, FL

Board Certified in Emergency Medicine

A seasoned emergency medicine physician, Nick has worked in more than 20 facilities across 7 states. He is passionate about community service and has provided emergency medical services to communities in crisis from natural disasters. Dr. Kramer also spent several months volunteering in Nepal and previously served as the director of a free community medical clinic.

A native of Seattle, Dr. Kramer earned his undergraduate degree from the University of Washington. After graduating at the top of his class from Meharry Medical College in Nashville, Tennessee, Dr. Kramer completed his residency at the University of Central Florida Emergency Medicine program in Orlando, where he was chief resident. After completing residency, Nick and his wife moved to Denver to be close to family and to enjoy all of the outdoor activities that Colorado has to offer. Together they enjoy skiing, hiking, camping, running, biking, and spending time with their 9 year old Beagle, Bailey.

Abigail Drake, PA-C

Medical Education: Attended Boston University for my Bachelors of Science in Human Physiology

Degree / Specialty: Attended Rosalind Franklin University of Medicine and Science and graduated in 2006 with a Masters in Physician Assistant Studies

Residency History: N/A

Fun facts like hobbies, family, etc:

I enjoy international travel, thru-hiking, and used book stores.

Ryan Mazin, MD

Medical Education: Jefferson Medical College, Philadelphia, PA

Degree / Specialty: MD/Emergency Medicine
Board Certified

Residency History: University of Florida, Gainesville, FL


New York native, now enjoying Colorado. Interests including ice hockey, travel, art and autosport. Excited to join a great team at AFC and provide excellent patient care.

Stewart Harsant, PA

Medical Education: Physician Assistant School at Methodist University in Fayetteville, NC, graduated in 2014, degree Masters in Medical Science. Undergraduate studies in Spanish Language and Literature and Biology from North Carolina State University in Raleigh, NC, Summa Cum Laude.

Degree / Specialty: Urgent care for 5 years in Asheville, NC and Chicago, IL prior to starting at AFC Denver in September 2019. Currently a candidate for the Fellowship in the Academy of Wilderness Medicine. Published in June 2019 Journal of Urgent Care Medicine: “Top 5 Wilderness Medicine Topics for the Urgent Care Provider.”

Residency History: N/A

Fun facts like hobbies, family, etc:

I have hiked the entirety of the Appalachian Trail. Hobbies include backpacking trips, hiking, running, skiing, snowshoeing, traveling, and spending time with my family.

Dana Payne, PA

Medical Education: Rosalind Franklin university of medicine and science

Degree / Specialty: Masters of Science Physician Assistant Studies

Residency History: N/A

Fun facts like hobbies, family, etc:

hiking, biking, kayaking, taking my dog on adventures, traveling

Derek Miller, PA

Medical Education: Saint Francis University, undergraduate at The University of Maryland

Degree / Specialty: Master of Medical Science / Specialty focus in Emergency Medicine at Denver Health and Platte Valley Medical Center

Residency History:

Fun facts like hobbies, family, etc:

Yoga and hiking with my dog

Kristin Brogan, PA

Medical Education:

Bachelor of Arts in Integrative Physiology from the University of Colorado, Boulder

Master in Science in Physician Assistant Studies from South University, Richmond

Previous experience as a hospitalist PA-C.


Hiking, snowboarding, playing piano, long walks with my Bernese Mountain Dog

Callie Withers, PA

Educational Background:

Bachelors from Stanford University in Stanford, CA: Human Biology Degree specializing in “The Spiritual and Psychological Aspects of the Human Athlete.”

Medical Education:

Masters from Samuel Merritt University in Oakland, CA: Masters in Physician Assistant Studies.

Physical Therapy Aid prior with a focus on sports medicine/injuries.

Fun Facts:

X-professional soccer player, love skiing, full-face helmet downhill mountain biking, all-day mountaineering/hikes, back-country skiing, ice climbing, painting and drawing classes, spending time with family and friends.

Sarah Stinson, PA

Medical Education: George Washington University School of Medicine and Health Sciences

Degree/Specialty: Master of Science in Health Sciences, Physician Assistant Studies with a background in Emergency Medicine.

Hobbies: I love practicing yoga, live music, craft beer, reading psychological thrillers, anything outdoors especially hiking, exploring national parks, boondocking, and spending time with family, friends, and my dog Banks.

Christopher Monteith, PA

Hello! I am CJ Monteith, I started with AFC at the end of 2020, which was an exciting new venture. Prior to AFC I was an Inpatient Neurohospitalist, and prior to that I did Family Medicine/Urgent Care. I have enjoyed each phase of my career journey, as it has provided me with the opportunities to learn and develop my skills in Medicine to enhance quality of care. I really enjoy working in an environment where I get to see a diverse group of patients with various health related concerns.

A little more about me, I grew up in Montana, which is also where I did my undergraduate BS degree at MSU in Cell Biology and Neuroscience with a minor in Leadership Studies. I moved to Colorado for my graduate education at Red Rocks/Saint Francis Universitywhere I earned my PA degree and Masters in Medical Science.

Outside of work I enjoy almost anything that has to do with being in the great outdoors. My partner Danny and I have two Border Collies named Koolie and Koda who love going anywhere their humans are.

Yosef Franklin, PA

Educational Background: Masters in Physician Assistant studies from Touro College School of Health Sciences in Bay Shore, NY.

Specialty: Worked in both Internal Medicine and Emergency Medicine for 7 years prior to starting with AFC Urgent Care.

Fun facts: I grew up on a free-range dairy farm in upstate NY.
I have led a wilderness adventure camp for teens for many years.
When not at work I’m likely exploring the Colorado mountains and seeking solitude either on my mountain bike, foot, or skis.

Cory Parks, PA

Educational Background: Bachelors of Biological Science from University of Central Florida & Masters of Medical Science from Nova South Eastern University

Cory focuses on a comprehensive approach to health and wellness to support people to feel their best. He is grateful to be able to integrate his knowledge and skills to help serve the community.

He was a teaching assistant in Evolutionary Biology at UCF before graduating and starting his career in medicine as a Nursing assistant. As his passion for medicine grew he continued his medical education by becoming a Physician Assistant specializing in primary care & family medicine for several years before transitioning into urgent care medicine. In his spare time, he enjoys alpine skiing, hiking and boat sports with family and friends. A long term passion of his is to help foster a more sound global medical community that can utilize the best of both eastern and western ideologies in order to promote wellness.

Brad Qualizza, PA

Medical Education: Physcian Assistant School at Indiana State University, College College of Health and Human Services. Undergraduate studies at Purdue Univeristy, College of Health and Human Sciences.

Degree/ Specialty: Master of Science in Physician Assistant Studies. I practiced Emergency Medicine for 3 years in the Chicagoland area prior to joining the AFC team in 2020.

Fun Facts: I enjoy spending my free time outdoors hiking, backpacking, and skiing. My fiance and our new puppy enjoy exploring Denver and spending time with family and friends.

Bethany Whitehorn, PA

Educational Background: Undergraduate degrees in Biology and Chemistry from the University of Colorado at Colorado Springs. Medical education through the CHA/PA Program, part of the University of Colorado’s School of Medicine, Anschutz Medical Campus. Received a Masters Degree in Physician Assistant Studies.

Fun Facts like hobbies, interest, etc: I have a huge interest in psychology and love to observe individual differences that make each of us unique while always believing there is more that unites us than separates us as humanity. I also love nature, animals, spending time with friends and family, movies, music, and when I’m more motivated: yoga, hiking, long walks with my dog, and jogging.

In an ideal world, I would live in a different place (internationally, if possible) 2-3 months of every year but always come back to my home base and my family in Colorado.

Justin Burkhardt, PA


Educational Background: Bachelor of Health Science from the University of Central Florida (2013) & Master of Medical Science Physician Assistant Studies from Nova Southeastern University Fort Myers (2018)

After graduating, I spent my first year and a half practicing emergency medicine at Cleveland Clinic in south Florida where I enjoyed the fast-paced environment of the ER before moving into family and urgent care medicine in order to experience the full continuity of care. This is where I found my calling in urgent care based medicine. Although I will miss deep sea pelagic fishing in the beautiful sunshine state and the sailfish capital of the world, I’m eager to expand my horizons here in Colorado while exploring what the west has to offer. In my free time you can catch me playing or watching hockey, deep sea or fly fishing, paddle boarding, kayaking, hiking, traveling, biking, camping, and just enjoying the outdoors. I have an interest and passion in all aspects of medicine, but especially regarding the topic of mental health. I believe, in the next few years, we will begin to see a paradigm shift in both the understanding and treatment of mental health and strongly believe there will be hope for those who have struggled for so long. I mostly focus on traditional medicine, but I adjust my practice based on mind body medicine and the power the mind can have over the function of each individual.

Clinic Management Team

Emily S., Recruitment Manager

Fun facts like hobbies, family, etc: My husband and I spend most weekends adventuring the state by hiking, waterfall hunting, or finding a new trail to off road on. I have four small dogs that I try to bring with on every adventure. If it’s not Packers season (Go Pack Go!) or we are not hiking, we are on a search for the next beer festival!

Aisha B., Regional Director &

Fun Facts like hobbies, family, etc: I love to spend time with my kids. I am a very proud sports mom. I love to travel, cook ,and been outdoors.

Ashlee M., Regional Director

Ashlee is originally from Georgia. She moved to Colorado after graduating from CCGA with an associate degree in Radiologic Sciences. She joined our staff in 2017 as an x-ray tech and medical assistant.

While working here at AFC, she completed her bachelor’s degree in Radiologic Sciences. Ashlee has been a manager for 2 years. She is married and has two children. While she likes Colorado, she misses the sunshine and beach of Georgia.

Janet G., Clinic Manager - Highland


Hi everyone, I’m Janet! I am clinical manager at the University Hills location. I’m 35 years old, of Mexican decent, a first generation US Citizen. So yes, I speak Spanish fluently. I have been with my husband over 10 years and we have 3 children. I came to work for AFC as a medical assistant over 4 years ago with no medical experience. Can you believe that?! I’ve learned it all here! I have a military background, which explains my affinity for structure and good leadership. I LOVE food and enjoy going to the gym, because…food lol and spending time outdoors. Building a career with AFC has been very fulfilling and I really take pride in helping anyone on our team grow with us also. I look forward to all the new challenges that being here brings and all the patients we get to encounter daily.

Tracey M., Clinic Manager - Park Hill

Tracey was born and raised in Colorado and has been in the medical field for over 30 years. She has worked in specialty care, hospitals, work comp clinics and urgent care. This makes her uniquely qualified to manage our Park Hill facility and the diverse patients that are seen. Tracey has had her LSO licensure for over 24 years and studied at Denver Health to receive the certificate to operate x-ray. One of her favorite past times is spending time with her family hiking and traveling.

Rachel S., Clinic Manager - Leetsdale

My name is Rachel! A brief career background, I have worked as a Clinical Coordinator/Operations team for urgent care facilities and a large family practice organization as well as assisted with onboarding new staff, providers, and clinical offices in Pediatrics and Ortho/Pain Management. Also, I obtain my Certification in Medical Assistant with an AOS degree and am currently in school for Limited Scope while working on my bachelor’s degree.

Katie B., Clinic Manager - Speer

Katie is excited to be part of the AFC family. With over 20 years of healthcare experience, Katie brings many years of skill and leadership to the team. Her first job was pasting provider dictations into paper charts. Since she has gone on to receive her Medical Assistant certification and a Bachelor of Science in Healthcare Administration, She has worked in various capacities in family practice, urgent care, and cardiology to name a few. Her passion for helping people extends beyond patients to include those she works with as well. Her goals include obtaining her master’s degree and working in a senior leadership position. In her free time, she enjoys being with her large family and spending time outdoors.

Commitment to Excellence

At AFC Urgent Care Denver, our team is committed each day to create the best-in-class urgent care for our patients. Our providers aim to create exceptional, prompt, affordable, and neighborly urgent care services for patients of all needs! Our mission is to be your local family provider for sudden and immediate medical needs. See what our patients have said about us!

Testimonials and Patient Satisfaction

A Thriving Company Culture

At AFC Urgent Care Denver, we strive to build an active, encouraging, and neighborly community within our workplace. That is why we host and plan work events, community outreach, and philanthropy events to help our employees grow, have fun, and give back in meaningful ways. The events we host at AFC Urgent Care Denver includes company picnics, themed parties, and other celebrations that emphasize a “work hard, play hard” mentality.

We ask a lot of our employees and respect our patients each and every day. So we want to consistently thank everyone for making AFC Urgent Care Denver the respected, trustworthy, and thriving neighborhood urgent care provider it is today!

Events and Outreach

Opportunities to Give Back

At AFC Urgent Care Denver, our provider teams aim to create the highest-quality healthcare services possible. Just take a look at what our local patients are saying: here.

But there are other parts of the world that are in crucial need for healthcare services we take for granted. Services such as medication, vaccinations, and basic urgent care is not widely available in other countries in Africa, Asia, and other continents. To address these gaps in healthcare, AFC Denver self-funds outreach missions using the proceeds from our walk-in clinic and urgent care locations.

Philanthropy and Community Services
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