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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. Mallikharjuna Surapanani, M.D
Bonham, TX · No drug or device payments recorded (2025) · (903) 583-2111
Dr. Muttavancheril George, MD
Bonham, TX · No drug or device payments recorded (2025) · (903) 583-6727
Dr. Sam Thoyakulathu, MD
Bonham, TX · No drug or device payments recorded (2025) · (903) 640-1422
Dr. Toi Le, M.D.
Bonham, TX · No drug or device payments recorded (2025) · (903) 583-6356
Dr. Venkatesham Guduguntla, MD
Bonham, TX · No drug or device payments recorded (2025) · (903) 583-6617
Dr. Vijayalakshmi Nandimandalam, MD
Bonham, TX · No drug or device payments recorded (2025) · (903) 640-4700
Dr. Xuan-dao Le, MD
Bonham, TX · No drug or device payments recorded (2025) · (903) 583-2111
Dr. Gary Evans, MD
Bowie, TX · No drug or device payments recorded (2025) · (940) 872-1121
Dr. Joshua Evans, D.O.
Bowie, TX · $740 in drug and device payments (2025) · (940) 872-1121
Dr. Cynthia Perry, M.D.
Breckenridge, TX · $174 in drug and device payments (2025) · (254) 559-7215
Dr. Bobby Marek, MD
Brenham, TX · No drug or device payments recorded (2025) · Telehealth · (979) 836-6153
Dr. Kenneth Landgraf, MD
Brenham, TX · No drug or device payments recorded (2025) · (979) 836-6153
Dr. Michael Schlabach, MD
Brenham, TX · No drug or device payments recorded (2025) · (979) 421-2000
Dr. William Loesch, M.D.
Brenham, TX · No drug or device payments recorded (2025) · Telehealth · (979) 836-6153
Dr. Anand Movva, MD
Bridge City, TX · No drug or device payments recorded (2025) · (409) 735-2486
Dr. Paul Chebib, MD
Brownfield, TX · $486 in drug and device payments (2025) · (806) 627-1955
Dr. Ahmad Karkoutly, M.D.
Brownsville, TX · $52 in drug and device payments (2025) · (956) 544-0755
Dr. Alejandra Ponce, D.O.
Brownsville, TX · $125 in drug and device payments (2025) · (956) 350-2973
Dr. Christian Ellis, M.D.
Brownsville, TX · $175 in drug and device payments (2025) · (239) 404-6641
Dr. Diana Carubba, M.D.
Brownsville, TX · No drug or device payments recorded (2025) · (956) 621-4946
Dr. Dylan Lopez, MD
Brownsville, TX · No drug or device payments recorded (2025) · (956) 350-7000
Dr. Femi Layiwola, MD
Brownsville, TX · No drug or device payments recorded (2025) · (956) 465-0626
Dr. Francis Gumbel, MD PA
Brownsville, TX · No drug or device payments recorded (2025) · Telehealth · (956) 546-4234
Dr. Graciela Leija, MD
Brownsville, TX · $238 in drug and device payments (2025) · Telehealth · (956) 504-4800
Dr. Hector Arredondo Nino, MD
Brownsville, TX · No drug or device payments recorded (2025) · (512) 730-3060
Dr. Henry Imperial, M.D.
Brownsville, TX · $101 in drug and device payments (2025) · (956) 621-3593
Dr. Joey Ugalino, M.D.
Brownsville, TX · $57 in drug and device payments (2025) · (956) 546-3209
Dr. Jorge Guevara, MD
Brownsville, TX · $949 in drug and device payments (2025) · (956) 546-3116
Dr. Joseph Martinez-o'hara, MD
Brownsville, TX · $346 in drug and device payments (2025) · (956) 982-0909
Dr. Jose Villalobos, MD
Brownsville, TX · $192 in drug and device payments (2025) · (956) 609-4430
Dr. Juan Gonzalez, MD
Brownsville, TX · $40 in drug and device payments (2025) · (956) 544-5700
Dr. Juan Martinez, M.D.
Brownsville, TX · $252 in drug and device payments (2025) · Telehealth · (956) 548-0335
Dr. Kazim Hussain, MD
Brownsville, TX · $51 in drug and device payments (2025) · Telehealth · (956) 350-5444
Dr. Kirk Smith, MD
Brownsville, TX · $21 in drug and device payments (2025) · (956) 554-0010
Dr. Lilia Hernandez, M.D.
Brownsville, TX · $488 in drug and device payments (2025) · Telehealth · (956) 525-7310
Dr. Loganayaki Anandasivam, M.D.
Brownsville, TX · No drug or device payments recorded (2025) · (956) 548-2242
Dr. Luis Morales, MD
Brownsville, TX · $20 in drug and device payments (2025) · (956) 504-6227
Dr. Maria Uribe, M.D.
Brownsville, TX · $26 in drug and device payments (2025) · (956) 548-7400
Dr. Mark Weisberg, M.D.
Brownsville, TX · No drug or device payments recorded (2025) · (956) 518-1016
Dr. Miguel Molinas, M.D.
Brownsville, TX · $1,599 in drug and device payments (2025) · Telehealth · (956) 544-0977
Dr. Nisar Hussain, M.D.
Brownsville, TX · $83 in drug and device payments (2025) · (956) 621-3593
Dr. Oryana Otero
Brownsville, TX · $291 in drug and device payments (2025) · (956) 667-5298
Dr. Rafael Otero
Brownsville, TX · $462 in drug and device payments (2025) · (956) 667-5298
Dr. Ricardo Abraham, MD
Brownsville, TX · No drug or device payments recorded (2025) · (956) 544-5700
Dr. Ricardo Adames, M.D.
Brownsville, TX · $164 in drug and device payments (2025) · (956) 350-2050
Dr. Ricardo Alberto Pacheco Torres, M.D.
Brownsville, TX · $71 in drug and device payments (2025) · (956) 548-7400
Dr. Rodolfo Longoria, MD
Brownsville, TX · $328 in drug and device payments (2025) · (956) 698-5400
Dr. Ronaldo Factoriza, M.D.
Brownsville, TX · $80 in drug and device payments (2025) · Telehealth · (956) 541-9499
Dr. Summia Malhi, M.D.
Brownsville, TX · No drug or device payments recorded (2025) · (956) 621-3593
Dr. Sundeep Reddy, M.D.
Brownsville, TX · $40 in drug and device payments (2025) · (956) 544-3226

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.