About
Dr. Ryon Parker holds board certification in Internal Medicine from the American Board of Internal Medicine. He earned his MD from Ross University School of Medicine and his MBA from Husson University. His undergraduate degree came from Hastings College. He completed his residency training in Internal Medicine at Maine Medical Center and Tufts Medical Center in Portland, where he built a clinical foundation in preventive and primary care.
After residency, Dr. Parker returned to Las Vegas and founded Parker Medical in 2017. He caps his panel at approximately 400 patients and focuses on concierge primary care, preventive medicine, executive health, and LGBTQ+ healthcare. He holds hospital privileges at Southern Hills Hospital and Medical Center and Spring Valley Hospital. Dr. Parker serves as adjunct faculty at UNLV School of Medicine and sits on the Board of Directors of the American College of Private Physicians. He co-hosts the "Out of Network" podcast alongside Dr. Rishi Seth, covering concierge medicine, longevity, and healthcare innovation. He also founded Structured MD, a peer-led consultancy that gives physicians the operational tools to build and scale their own concierge practices.
Education & Training
Undergraduate
BS — Hastings College
Medical School
MD — Ross University School of Medicine
Residency
Internal Medicine — Maine Medical Center / Tufts Medical Center, Portland
Additional Training
MBA — Husson University
Certifications
Conditions Treated
Who is Dr. Parker right for?
Dr. Parker suits adults who want unhurried, relationship-driven primary care with direct physician access. Executives benefit from his 90-minute physicals and same-day lab review. Patients managing chronic conditions, hormone health, or weight find a broad clinical range under one roof. His practice also serves the LGBTQ+ community, including gender-affirming hormone therapy and PrEP and PEP.
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Frequently Asked Questions
Dr. Parker treats a wide range of conditions in adults, including hypertension, diabetes, high cholesterol, thyroid disorders, and obesity. He also manages hormone imbalances, men's health concerns, and preventive care needs. His scope extends to LGBTQ+ healthcare, sports medicine, travel medicine, and STI screening including PrEP and PEP.
Yes. Dr. Parker holds board certification in Internal Medicine from the American Board of Internal Medicine. He completed his residency training at Maine Medical Center and Tufts Medical Center in Portland.
Dr. Parker earned his MD from Ross University School of Medicine and completed his Internal Medicine residency at Maine Medical Center and Tufts Medical Center in Portland. He also holds an MBA from Husson University and a bachelor's degree from Hastings College.
Yes. Dr. Parker conducts executive physicals that run up to 90 minutes. He reviews on-site lab work the same day so patients leave with a clear picture of their health.
Yes. Dr. Parker offers hormone optimization using Pellecome bioidentical pellet therapy. He also provides gender-affirming hormone therapy for LGBTQ+ patients.
Dr. Parker uses GLP-1 therapies, including semaglutide and tirzepatide, as part of a structured medical weight loss program. He pairs these therapies with nutrition and supplement management for a comprehensive approach.
Yes. Members reach Dr. Parker directly 24 hours a day, seven days a week, including weekends and holidays. This direct access is a core feature of the Parker Medical membership.
Dr. Parker serves as adjunct faculty at UNLV School of Medicine. He sits on the Board of Directors of the American College of Private Physicians. He also co-hosts the "Out of Network" podcast and founded Structured MD, a consultancy for physicians building concierge practices.
Yes. Dr. Parker accepts new members on a rolling basis, though his panel is capped at 400 patients. Prospective patients can contact Parker Medical directly to check current availability.
Doctor profile last updated March 21, 2026