HealthcareDiscovery.AI / Doctors / Texas / Houston / Surgical Oncology

Surgical Oncology in Houston, Texas

Data updated monthly · Last refresh September 2026

74 Surgical Oncology providers practice in Houston, and 61% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Surgical Oncology providers in Houston

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. Merrick Ross, M.D.
Houston, TX · $25,960 in drug and device payments (2025) · (713) 792-6161
Dr. Michael Flanagan
Houston, TX · No drug or device payments recorded (2025) · (281) 782-7206
Dr. Michael Kim, MD
Houston, TX · $3,382 in drug and device payments (2025) · Telehealth · (713) 792-6161
Dr. Miguel Rodriguez-bigas, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 792-6161
Dr. Nader Massarweh, MD MPH
Houston, TX · No drug or device payments recorded (2025) · (713) 792-6161
Dr. Nancy Perrier, M.D.
Houston, TX · $88 in drug and device payments (2025) · (713) 792-6161
Dr. Naruhiko Ikoma, M.D.
Houston, TX · $10,086 in drug and device payments (2025) · Telehealth · (713) 792-6161
Dr. Nestor Esnaola, MD
Houston, TX · No drug or device payments recorded (2025) · Telehealth · (713) 441-5141
Dr. Nicole Harris, MD
Houston, TX · No drug or device payments recorded (2025) · Telehealth · (713) 792-6161
Dr. Paul Mansfield, M.D.
Houston, TX · $290 in drug and device payments (2025) · Telehealth · (713) 792-6161
Dr. Peter Pisters, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 792-6161
Dr. Ramy Behman, MD
Houston, TX · No drug or device payments recorded (2025) · Telehealth · (713) 792-6161
Dr. Rebecca Snyder, M.D.
Houston, TX · $107 in drug and device payments (2025) · Telehealth · (713) 792-6161
Dr. Roi Weiser, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 792-6161
Dr. Rosario Hwang, M.D.
Houston, TX · $678 in drug and device payments (2025) · (713) 792-6161
Dr. Seth Concors, MD
Houston, TX · $170 in drug and device payments (2025) · Telehealth · (713) 792-6161
Dr. Songphol Malakorn, MD, FACS
Houston, TX · No drug or device payments recorded (2025) · (281) 460-9262
Dr. Sonia Orcutt, MD
Houston, TX · $428 in drug and device payments (2025) · Telehealth · (713) 798-8629
Dr. Suellen Arentz, M.D.
Houston, TX · $73 in drug and device payments (2025) · Telehealth · (832) 522-3240
Dr. Tarek Zaghloul, MD, MS, PHD
Houston, TX · $3,173 in drug and device payments (2025) · (901) 319-0113
Dr. Tarik Sammour
Houston, TX · No drug or device payments recorded (2025) · (713) 417-4108
Dr. Thomas Aloia, M.D.
Houston, TX · $215 in drug and device payments (2025) · (713) 792-6161
Dr. Timothy Newhook, MD
Houston, TX · $1,094 in drug and device payments (2025) · Telehealth · (713) 792-6161
Dr. Yun Chun, MD
Houston, TX · $280 in drug and device payments (2025) · Telehealth · (713) 792-6161

Common questions

How many Surgical Oncology providers are in Houston, Texas?

There are 74 Surgical Oncology providers with active NPI records practicing in Houston, according to federal NPPES data refreshed monthly.

How many Surgical Oncology providers in Houston received drug or device company payments?

45 of 74 (61%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

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 Houston Surgical Oncology across Texas

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.