HealthcareDiscovery.AI / Doctors / Nevada / Las Vegas / Colon & Rectal Surgery

Colon & Rectal Surgery in Las Vegas, Nevada

Data updated monthly · Last refresh September 2026

11 Colon & Rectal Surgery providers practice in Las Vegas. Listings are drawn from federal public records and are not endorsements.

Colon & Rectal Surgery providers in Las Vegas

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Calvin Lyons, M.D.
Las Vegas, NV · $665 in drug and device payments (2025) · Telehealth · (702) 685-5668
Dr. Garrett Friedman, M.D.
Las Vegas, NV · $156,902 in drug and device payments (2025) · (702) 962-2300
Dr. Joseph Thornton, M.D.
Las Vegas, NV · $17 in drug and device payments (2025) · (702) 671-5150
Dr. Katherine Specht
Las Vegas, NV · $1,227 in drug and device payments (2025) · (702) 962-2300
Dr. Ketan Thanki, M.D.
Las Vegas, NV · $388 in drug and device payments (2025) · Telehealth · (702) 382-8222
Dr. Lance Horner, M.D.
Las Vegas, NV · $569 in drug and device payments (2025) · (702) 671-5150
Dr. Melissa Miles, M.D.
Las Vegas, NV · $383 in drug and device payments (2025) · (702) 693-6870
Dr. Ren Zhang, MD
Las Vegas, NV · $84 in drug and device payments (2025) · Telehealth · (702) 739-6467
Dr. Roger Hsiung, M.D.
Las Vegas, NV · $38,323 in drug and device payments (2025) · (702) 586-6688
Dr. Stephanie Wishnev, MD
Las Vegas, NV · No drug or device payments recorded (2025) · Telehealth · (702) 739-6467
Dr. Tijani Osumah, MD
Las Vegas, NV · $546 in drug and device payments (2025) · (702) 258-7788

Common questions

How many Colon & Rectal Surgery providers are in Las Vegas, Nevada?

There are 11 Colon & Rectal Surgery providers with active NPI records practicing in Las Vegas, according to federal NPPES data refreshed monthly.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Las Vegas Colon & Rectal Surgery across Nevada

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.