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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. Emilio Marzan, D.O.
El Paso, TX · No drug or device payments recorded (2025) · (915) 742-2180
Dr. Enrique Porras, MD
El Paso, TX · No drug or device payments recorded (2025) · (915) 351-9044
Dr. Eric Romero Rodriguez
El Paso, TX · $93 in drug and device payments (2025) · (915) 283-3953
Dr. Esraa Elsayed
El Paso, TX · No drug or device payments recorded (2025) · (915) 215-5200
Dr. Esteban Quirarte, MD
El Paso, TX · No drug or device payments recorded (2025) · (915) 564-6129
Dr. Ezhil Panneerselvam, MD
El Paso, TX · $23 in drug and device payments (2025) · (843) 597-3010
Dr. Farooque Ahmed, MD
El Paso, TX · $917 in drug and device payments (2025) · Telehealth · (915) 206-2150
Dr. Feyza Tiryaki, MD
El Paso, TX · $30 in drug and device payments (2025) · (915) 215-5205
Dr. Gabriela Hunko, M.D.
El Paso, TX · $315 in drug and device payments (2025) · (915) 540-7070
Dr. Gabriela Rangel, M.D.
El Paso, TX · No drug or device payments recorded (2025) · Telehealth · (915) 790-5700
Dr. Gehan Botrus
El Paso, TX · No drug or device payments recorded (2025) · Telehealth · (915) 215-8000
Dr. George Imuro, M.D.
El Paso, TX · No drug or device payments recorded (2025) · (915) 217-5124
Dr. Gladina See, M.D.
El Paso, TX · $122 in drug and device payments (2025) · (915) 544-1200
Dr. Gordon Woods, MD
El Paso, TX · No drug or device payments recorded (2025) · (915) 215-5200
Dr. Gowri Renganathan, MD
El Paso, TX · $147 in drug and device payments (2025) · (915) 215-8400
Dr. Gregorio Joel Castillo, M.D.
El Paso, TX · No drug or device payments recorded (2025) · (915) 592-8880
Dr. Gregory Martin, M.D.
El Paso, TX · $261 in drug and device payments (2025) · (915) 283-3953
Dr. Harry Davis, M.D.
El Paso, TX · No drug or device payments recorded (2025) · (915) 545-6640
Dr. Hasan Dimayuga, DO
El Paso, TX · No drug or device payments recorded (2025) · (915) 742-2180
Dr. Hector Martinez, MD
El Paso, TX · No drug or device payments recorded (2025) · (915) 533-8544
Dr. Hedaia Algheriani
El Paso, TX · $114 in drug and device payments (2025) · (929) 866-5921
Dr. Hein Htet Zay, MD
El Paso, TX · No drug or device payments recorded (2025) · (915) 215-8000
Dr. Hien Pham, DO
El Paso, TX · $122 in drug and device payments (2025) · (915) 215-8000
Dr. Hoi Ho, M.D.
El Paso, TX · No drug or device payments recorded (2025) · (915) 545-6647
Dr. Hugo Gutierrez, M.D.
El Paso, TX · No drug or device payments recorded (2025) · (915) 545-0902
Dr. Ikedieze Chukwu, M.D.
El Paso, TX · $771 in drug and device payments (2025) · Telehealth · (915) 996-9363
Dr. Iraham Sanchez, M.D.
El Paso, TX · No drug or device payments recorded (2025) · (915) 774-2550
Dr. Ismael Rodriguez, MD
El Paso, TX · $296 in drug and device payments (2025) · Telehealth · (915) 213-3100
Dr. Jacob Hernandez, MD
El Paso, TX · No drug or device payments recorded (2025) · (915) 215-8400
Dr. Jaime Gonzalez, M.D.
El Paso, TX · $1,131 in drug and device payments (2025) · (915) 545-6616
Dr. Jaime Midez, M.D.
El Paso, TX · No drug or device payments recorded (2025) · (915) 562-3444
Dr. Jaime Square, M.D.
El Paso, TX · $417 in drug and device payments (2025) · (915) 777-3151
Dr. James Joseph, MD
El Paso, TX · $168 in drug and device payments (2025) · (915) 544-1200
Dr. Jason Chacon, MD
El Paso, TX · $15 in drug and device payments (2025) · (915) 217-2163
Dr. Javier Vasallo, M.D.
El Paso, TX · $103 in drug and device payments (2025) · (915) 545-6626
Dr. Jay Feitshans, DO
El Paso, TX · No drug or device payments recorded (2025) · (915) 742-2180
Dr. Jazmine Duran
El Paso, TX · $76 in drug and device payments (2025) · (915) 564-6100
Dr. Jefrina Zaman, MD
El Paso, TX · $535 in drug and device payments (2025) · (915) 595-9000
Dr. Jia Ee Chia, MD
El Paso, TX · $31 in drug and device payments (2025) · (915) 215-5200
Dr. Jie Wu, MD
El Paso, TX · No drug or device payments recorded (2025) · (915) 591-4632
Dr. Joel Shah, DO, MPH
El Paso, TX · $50 in drug and device payments (2025) · (915) 215-5200
Dr. Joni Castaneda, D.O.
El Paso, TX · No drug or device payments recorded (2025) · Telehealth · (915) 569-2180
Dr. Jorge Quintero, MD
El Paso, TX · $18 in drug and device payments (2025) · Telehealth · (915) 790-5700
Dr. Jose Aguirre, M.D.
El Paso, TX · No drug or device payments recorded (2025) · Telehealth · (915) 790-5700
Dr. Jose Andrade-barraza, MD
El Paso, TX · No drug or device payments recorded (2025) · (915) 564-6100
Dr. Jose Barahona, M.D.
El Paso, TX · $3,446 in drug and device payments (2025) · (915) 849-0243
Dr. Jose Burgos, M.D.
El Paso, TX · $312 in drug and device payments (2025) · (915) 307-4669
Dr. Joseph Floresca, M.D.
El Paso, TX · No drug or device payments recorded (2025) · (915) 564-6100
Dr. Jose Porras, MD
El Paso, TX · No drug or device payments recorded (2025) · (915) 271-4569
Dr. Jose Silva, M.D.
El Paso, TX · $77 in drug and device payments (2025) · (915) 500-9876

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.