Meet Our Providers

The DOCS prioritizes patient care and decreases hospital admission rates, improving patients' overall health. The practice uses technology and innovative medical treatments to help their patients achieve a better quality of life.

Dr. Asheesh K. Dewan, MD 

Dr. Asheesh K. Dewan is a provider at The DOCS, specializing in Diabetes and Pediatric Endocrinology and is affiliated with Summerlin Hospital Medical Center. His educational background is undoubtedly impressive and it greatly shows, being the Medical Director at The DOCS.

To begin, Dr. Dewan studied Biochemistry at The University of California, Riverside and Oregon Graduate Institute, where he earned his M.S. From there, he earned his M.D at St. George's University School of Medicine. His Podiatric Residency was earned at Oklahoma University Health Science Center and his Endocrinology Fellowship was earned at University of California, San Diego. 

Dr. Dewan has also achieved quite the life accomplishment, becoming a Philanthropist. He is a Trustee for VM HANS - Vidya Sagar Institute of Mental Health and Neurosurgical Sciences. From May 2012 to May 2014, Dr. Dewan was the Board of Directors for the Human Growth Hormone Foundation. 

Dr. Christopher M. Hihn, DPM 

Dr. Christopher M. Hihn serves as Head of Foot and Ankle Surgery and Podiatry at The DOCS. Dr. Hihn is extensively trained, having completed a comprehensive foot and ankle surgical residency totaling over 2,000 procedures with over 5 times the required surgical numbers. He also totaled over 12 times the required reconstructive rearfoot/ankle surgery cases in all aspects of foot and ankle surgery, including total ankle replacement, deformity reconstruction, sports medicine, athroscopy, trauma, minimal invasive surgery and limb salvage from a level 1 adult and level 2 pediatric trauma center at Sanford Health in Fargo, North Dakota where he served as the chief resident. 

He is a dedicated patient advocate who strives for superior patient outcomes by adapting treatment options that complement one's individual lifestyle and using minimally invasive techniques when appropriate. He is also well-versed in the latest generation of total ankle repalcements that utilize computerized tomography (CT)-derived patient-specific instrumentation to enhance implant accuracy unique to the patient's anatomy. 

Dr. Zia U. Khan, MD

Dr. Zia Khan graduated from University of Cincinnati and Louisville with advanced interventional training. Las Vegas has been his home since graduation. Dr. Khan is a skilled teacher and has taken on numerous students and medical residents in training during their clinical rotations, receiving rave reviews and teaching accolades from medical school and societes. He is actively involved with the administration in the Vegas valley hospitals and has been a medical executive committee and the Chief of Cardiology for several years. His active involvement has contributed to a better quality of health care delivery and improved hospital standards. 

Dr. Khan's devotion to his work and principles have kept him at the top of his game for many years. He has been voted Top Doc for several years in a row and has been featured in Continental Who's Who and Leading Physicians of the World. 

Dr. Tammy Gephart, DPM

Dr. Tammy Gephart is an established and highly skilled podiatric physician and surgeon with over 20 years of experience in the field of podiatry. She is skilled in both surgical and nonsurgical intervention and is well regarded in the field and named a Top Doctor in 2020. She received the Award of Exellence for quality of care by St. Mary's Hospital of Trinity Healthcare System in Michigan and received numerous quality of care recognitions while practicing in the Atlanta Georgia area. Dr. Gephart has also spent many years working with Save a Limb, Save a Life group in Georgia to increase awareness about limb salvage. 

Dr. Gephart is originally from Ann Arbor, Michigan and is a graduate of the University of Michigan, Dearborn Campus. She obtained her medical degree from Kent State College of Podiatric Medicine in Cleveland Ohio, where she became board certified and a Diplomate of The American Board of Multi-Specialties in Podiatry. Her surgical residency training was completed at the VA in Northport, NY. 

Dr. Gephart strives to provide the best care while involving her patients in their care through education providing comprehensive treatment and surgery for all ages. As a board-certifed physician, her areas of surgical and nonsurgical interest are bunions and hammertoes, forefoot reconstructive surgery, especially rheumatoid and diabetic limb salvage patients. She also enjoys treatment of acute sports injuries, heel pain, pediatrics and skin/nail conditions.

Dr. Peyman Danesh, DP 

Dr. Peyman Danesh believes in personalized patient care to help get patients back on their feet. He graduated cum laude from University of Cailfornia, Los Angeles, with a Bachelor of Arts in Psychology. Dr. Danesh received his podiatric medical degree from the Western University of Health Sciences, College of Podiatric Medicine in Pomona, California. 

Dr. Danesh completed his comprehensive podiatric medicine and surgery residency at Long Island Jewish Forest Hills in Queens, New York. His extensive training includes conservative and surgical management of all aspects of foot and ankle surgery, reconstructive surgery, trauma and wound care.

Dr. Michael Uzmann, MD

Dr. Michael Uzmann specializes in Endocrinology, Diabetes, Metabolism and Internal Medicine with over 15 years of experience. At present, Dr. Uzmann has received an average 3.6 from patients.

"I believe in treating every patient as an individual since the sum of each person's hormones are slightly different and although numbers often tell most of the story, it is sometimes the small details that matter. Whether it be Diabetes, Osteoporosis, Thyroid Disorders or otherwise I think timeliness, communication and thorough research are the backbone of a strong doctor-patient relationship and I strive to deliver this for each and every person who visits my clinic."

-Michael Uzmann 

Dr. Uzmann was accredited by the American Board of Internal Medicine for Diabetes, Metabolism, Endocrinology and Internal Medicine at the University of Toledo College of Medicine in 2007, where he graduated. 

Dallas Clark, PA-C

Dallas Clark PA-C has a passion for helping people. This passion led him to pursue a medical career where he felt he could make the most impact in people's lives. Dallas believes in a strong patient-provider relationship based on communication, trust, committment and respect. Dallas graduated from Weber State University in his hometown of Ogden, Utah with a bachelor's degree in Medical Laboratory Science. He worked in a hospital as a Laboratory Technician for two years where he grew a passion for Internal Medicine. He went on to receive his Physician Associate master's degree at the University of Oklahoma graduating top of his class. Dallas is known for his friendly personality and his dedication to his patients. 


Read more about The DOCS providers. 

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Posted by Rachel Marlene Quilantan
Rachel Marlene is the Marketing Specialist here at The Docs Las Vegas.