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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. Albert Heo, MD
Houston, TX · $34 in drug and device payments (2025) · (713) 486-5900
Dr. Albert Oguejiofor, MD
Houston, TX · $408 in drug and device payments (2025) · (713) 777-6606
Dr. Alec Rezigh, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 873-2000
Dr. Alejandro Iturralde, MD
Houston, TX · No drug or device payments recorded (2025) · (832) 482-1200
Dr. Alejandro Mora, MD
Houston, TX · $1,555 in drug and device payments (2025) · Telehealth · (713) 636-2621
Dr. Aleksandra Lawera, M.D.
Houston, TX · No drug or device payments recorded (2025) · (832) 548-5000
Dr. Alexander Andreev-drakhlin, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 792-6161
Dr. Alexander Constantine, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 798-5588
Dr. Alexander Marzec, MD
Houston, TX · $992 in drug and device payments (2025) · (713) 798-4951
Dr. Alexander Nguyen, MD
Houston, TX · $137 in drug and device payments (2025) · Telehealth · (281) 586-3888
Dr. Alexandra Lewis, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 798-4951
Dr. Alexis Schmitt, M.D.
Houston, TX · No drug or device payments recorded (2025) · Telehealth · (713) 794-7440
Dr. Alfredo Czerwinski, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 516-5003
Dr. Alfred Paz, DO
Houston, TX · No drug or device payments recorded (2025) · (281) 929-6184
Dr. Ali Bilal
Houston, TX · No drug or device payments recorded (2025) · (713) 791-1414
Dr. Alicia Bordon, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 880-5266
Dr. Alina Wasim, MD
Houston, TX · No drug or device payments recorded (2025) · (832) 869-4818
Dr. Alireza Parhizgar, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 798-2222
Dr. Alisha Aggarwal
Houston, TX · $30 in drug and device payments (2025) · (832) 355-2666
Dr. Alissa Hall, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 500-6526
Dr. Ali Tariq Alvi, MD
Houston, TX · $18 in drug and device payments (2025) · (346) 261-9254
Dr. Allan Phuah, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 622-9900
Dr. Allison Blazek, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 880-2311
Dr. Alwin Alias, MD
Houston, TX · $40 in drug and device payments (2025) · (346) 238-6700
Dr. Alyssa Mohammed, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 745-4516
Dr. Amal Melhem-bertrandt, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 792-1000
Dr. Amal Oladuja, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 500-7116
Dr. Amber Khan, M.D
Houston, TX · $34 in drug and device payments (2025) · (281) 851-7088
Dr. Ambica Sethi, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 442-1500
Dr. Amelia Averyt, MD
Houston, TX · $25 in drug and device payments (2025) · (832) 548-5000
Dr. Amelia Gosuico, M.D.
Houston, TX · No drug or device payments recorded (2025) · (832) 876-3580
Dr. Amelia Leong, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 857-3551
Dr. America Warren, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 442-0000
Dr. Amer Zaheer, M.D.
Houston, TX · $15 in drug and device payments (2025) · (832) 661-6557
Dr. Amin Alousi, M.D.
Houston, TX · $42,578 in drug and device payments (2025) · (713) 792-6161
Dr. Amin Jamal
Houston, TX · $164 in drug and device payments (2025) · (703) 704-4000
Dr. Amir Ghebranious, M.D.
Houston, TX · $1,653 in drug and device payments (2025) · Telehealth · (281) 484-5587
Dr. Amir Goldenberg, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 429-0808
Dr. Amir Halevy, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 873-8890
Dr. Amir Saeed, MD
Houston, TX · $16 in drug and device payments (2025) · (713) 581-4220
Dr. Ami Sen, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 461-8000
Dr. Amitha Rao, MD
Houston, TX · $118 in drug and device payments (2025) · (713) 791-1414
Dr. Amito Chandiwal, MD
Houston, TX · No drug or device payments recorded (2025) · (281) 206-8070
Dr. Amna Aijaz, MBBS, MD
Houston, TX · $422 in drug and device payments (2025) · (713) 486-6753
Dr. Amy Ciborowski, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 798-3111
Dr. Amy Engler, MD
Houston, TX · No drug or device payments recorded (2025) · Telehealth · (713) 441-2750
Dr. Amy Mynderse, M.D.
Houston, TX · $83 in drug and device payments (2025) · (713) 526-5511
Dr. Ana Blackmon, M.D.
Houston, TX · $450 in drug and device payments (2025) · Telehealth · (713) 441-4280
Dr. Anam Omer
Houston, TX · $968 in drug and device payments (2025) · Telehealth · (713) 441-5114
Dr. Anand Balasubramanian, M.D.
Houston, TX · $265 in drug and device payments (2025) · Telehealth · (281) 893-8100

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.