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Internal Medicine Doctors in Texas

Data updated monthly · Last refresh October 2026

9,182 Internal Medicine providers practice in Texas, including 1,804 (20%) offering telehealth. The largest concentration is in Houston. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

9,182providers
1,804telehealth
Houstontop city

Internal Medicine by city in Texas

Choose a city to see providers there.

Internal Medicine in Houston1,496 providers
Internal Medicine in Dallas950 providers
Internal Medicine in San Antonio658 providers
Internal Medicine in Austin607 providers
Internal Medicine in Fort Worth394 providers
Internal Medicine in El Paso263 providers
Internal Medicine in Galveston217 providers
Internal Medicine in Plano209 providers
Internal Medicine in Temple195 providers
Internal Medicine in Tyler143 providers
Internal Medicine in Lubbock119 providers
Internal Medicine in Sugar Land108 providers
Internal Medicine in Arlington102 providers
Internal Medicine in Longview100 providers
Internal Medicine in Irving99 providers
Internal Medicine in Corpus Christi95 providers
Internal Medicine in Amarillo82 providers
Internal Medicine in Frisco81 providers
Internal Medicine in Harlingen73 providers
Internal Medicine in Webster70 providers
Internal Medicine in Odessa66 providers
Internal Medicine in Richardson62 providers
Internal Medicine in San Angelo61 providers
Internal Medicine in Round Rock61 providers

Internal Medicine providers in Texas

Listed by city, largest first. 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. David Vinther, MD
Nacogdoches, TX · $38 in drug and device payments (2025) · (936) 569-8204
Dr. James Otto, M.D.
Nacogdoches, TX · $332 in drug and device payments (2025) · (936) 560-3800
Dr. Kavita Vyas, M.D.
Nacogdoches, TX · $318 in drug and device payments (2025) · Telehealth · (936) 560-2920
Dr. Patrick Taylor, MD
Nacogdoches, TX · No drug or device payments recorded (2025) · (936) 559-7000
Dr. Randal Vinther, M.D.
Nacogdoches, TX · $163 in drug and device payments (2025) · (936) 569-8205
Dr. Richard Baker, MD
Nacogdoches, TX · No drug or device payments recorded (2025) · (936) 560-3620
Dr. Rodrigo Sotillo, MD
Nacogdoches, TX · No drug or device payments recorded (2025) · (936) 560-5668
Dr. Scott Oh, MD
Nacogdoches, TX · No drug or device payments recorded (2025) · (936) 564-1176
Dr. Ted Ledet, M.D.
Nacogdoches, TX · No drug or device payments recorded (2025) · (936) 569-0304
Dr. Xiomara Velazco-vazquez, MD
Nacogdoches, TX · No drug or device payments recorded (2025) · (936) 715-9470
Dr. Luke Scamardo
Navasota, TX · No drug or device payments recorded (2025) · (936) 825-6444
Dr. Pollachi Selvakumarraj, MD
Navasota, TX · $106 in drug and device payments (2025) · (936) 825-6444
Dr. John Badlissi, MD
Nederland, TX · No drug or device payments recorded (2025) · (409) 722-1197
Dr. Kahtan Kaissi, M.D.
Nederland, TX · No drug or device payments recorded (2025) · (409) 722-3437
Dr. Kristopher Dela Cruz, M.D.
Nederland, TX · $106 in drug and device payments (2025) · Telehealth · (409) 727-2808
Dr. Michael Badlissi, M.D.
Nederland, TX · No drug or device payments recorded (2025) · (409) 727-7342
Dr. Michael Mcmahon, M.D.
Nederland, TX · No drug or device payments recorded (2025) · Telehealth · (409) 344-4466
Dr. Michael Thomas, MD
Nederland, TX · $32 in drug and device payments (2025) · (409) 833-9797
Dr. Sreedhar Polavarapu, M.D.
Nederland, TX · No drug or device payments recorded (2025) · (409) 722-7500
Dr. William Novelli, MD, MPH
Nederland, TX · No drug or device payments recorded (2025) · (409) 722-9355
Dr. Yezid Mora, M.D.
Needville, TX · No drug or device payments recorded (2025) · (979) 793-3940
Dr. Adrian Padilla, M.D.
New Braunfels, TX · $122 in drug and device payments (2025) · (210) 259-6338
Dr. Allyssa Castillo, DNP
New Braunfels, TX · $524 in drug and device payments (2025) · Telehealth · (830) 359-5859
Dr. Anthony Basel, D.O.
New Braunfels, TX · $69 in drug and device payments (2025) · (410) 924-8330
Dr. Anthony Bienek, DO
New Braunfels, TX · $159 in drug and device payments (2025) · Telehealth · (830) 214-0517
Dr. Arianna Nieto Meraz, M.D.
New Braunfels, TX · $33 in drug and device payments (2025) · (737) 405-1502
Dr. Benyam Alemu, M.D.
New Braunfels, TX · $140 in drug and device payments (2025) · Telehealth · (830) 351-5066
Dr. Douglas Bahr, MD
New Braunfels, TX · No drug or device payments recorded (2025) · Telehealth · (830) 515-1280
Dr. Glenna Steinke, DO
New Braunfels, TX · $22 in drug and device payments (2025) · (830) 626-7770
Dr. Guido Calderon, MD
New Braunfels, TX · No drug or device payments recorded (2025) · (830) 620-0330
Dr. Haoran Yu, M.D.
New Braunfels, TX · $1,791 in drug and device payments (2025) · (830) 608-9300
Dr. Ho Pak, DO
New Braunfels, TX · No drug or device payments recorded (2025) · (830) 730-4125
Dr. Jaime Diaz, MD
New Braunfels, TX · $258 in drug and device payments (2025) · (830) 620-0330
Dr. Jerry Hu, DO
New Braunfels, TX · $30 in drug and device payments (2025) · Telehealth · (830) 730-4131
Dr. Julia Kellcy, D.O.
New Braunfels, TX · $89 in drug and device payments (2025) · (210) 857-5934
Dr. Landon Smith, M.D.
New Braunfels, TX · No drug or device payments recorded (2025) · (830) 387-5270
Dr. Laurence Levett, M.D.
New Braunfels, TX · No drug or device payments recorded (2025) · (830) 643-6252
Dr. Lori Hickson, M.D.
New Braunfels, TX · No drug or device payments recorded (2025) · Telehealth · (830) 203-6695
Dr. Lovin Pappy, MD
New Braunfels, TX · $88 in drug and device payments (2025) · (830) 500-6000
Dr. Primo Mayhua, M.D.
New Braunfels, TX · $88 in drug and device payments (2025) · (830) 620-0330
Dr. Robert Ramirez, M.D,
New Braunfels, TX · $560 in drug and device payments (2025) · (830) 626-7770
Dr. Sankararao Tamtam, M.D.
New Braunfels, TX · No drug or device payments recorded (2025) · Telehealth · (830) 730-4125
Dr. Susan Miller, MD
New Braunfels, TX · No drug or device payments recorded (2025) · (830) 626-7770
Dr. Venkat Srinivasan, M.D.
New Braunfels, TX · No drug or device payments recorded (2025) · (210) 723-8418
Dr. Vladimir Paez, MD
New Braunfels, TX · $382 in drug and device payments (2025) · (832) 475-4115
Dr. Zulfiqar Shah, MD
New Braunfels, TX · $443 in drug and device payments (2025) · (702) 453-3799
Dr. Mihir Das, MD
Newton, TX · No drug or device payments recorded (2025) · (409) 379-2177
Dr. Nahla Lorenzi, MD
Northlake, TX · No drug or device payments recorded (2025) · (817) 368-0203
Dr. Abdul Hasheesh, MD
North Richland Hills, TX · No drug or device payments recorded (2025) · (817) 255-1000
Dr. Beatriz Parra, M.D.
North Richland Hills, TX · No drug or device payments recorded (2025) · (817) 782-4718

Conditions Internal Medicine providers in Texas commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Internal Medicine providers are in Texas?

There are 9,182 Internal Medicine providers with active NPI records practicing in Texas, according to federal NPPES data refreshed monthly.

Do Internal Medicine providers in Texas offer telehealth?

Yes. 1,804 of the 9,182 Internal Medicine providers in Texas (about 20%) report offering telehealth services in CMS data.

Which cities in Texas have the most Internal Medicine providers?

Houston (1,496), Dallas (950), San Antonio (658) have the highest concentration of Internal Medicine providers in Texas.

How many Internal Medicine providers in Texas received drug or device company payments?

3,948 of 9,182 Internal Medicine providers in Texas (43%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Internal Medicine providers in Texas treat?

Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles 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.

Do most Internal Medicine Doctors in Texas work in independent practices or large health systems?

Among 5,747 Internal Medicine Doctors in Texas enrolled in Medicare, 23% bill through a solo or small practice with fewer than 10 clinicians, 17% through a mid-size group of 10 to 99, and 60% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Internal Medicine Doctors in Texas work at?

According to CMS facility affiliation records, the Texas hospitals where the most Internal Medicine Doctors hold privileges are Memorial Hermann Hospital System in Houston; Baylor University Medical Center in Dallas; Houston Methodist Hospital in Houston.

Related reading on HealthcareDiscovery.AI

Internal Medicine in all 50 states Search all 9,182 in the directory Ask Zach for help choosing

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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. Are you a Internal Medicine in Texas? Get featured.