HealthcareDiscovery.AI / Doctors / Texas / Internal Medicine

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. Leonila Saldana, M.D.
Austin, TX · No drug or device payments recorded (2025) · Telehealth · (512) 482-0045
Dr. Leonor Frierson-stroud, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 338-0171
Dr. Leo Toupin, MD
Austin, TX · $223 in drug and device payments (2025) · Telehealth · (512) 918-9000
Dr. Leticia Tiscareno-grajeda, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 407-8880
Dr. Liang Wang, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 730-1693
Dr. Lia Varghese, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 495-5189
Dr. Lillianne Villarreal, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 324-7000
Dr. Linda Dooley, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 972-5459
Dr. Linda Isaacs, M.D.
Austin, TX · No drug or device payments recorded (2025) · (737) 208-0831
Dr. Linda Roley, M.D.
Austin, TX · No drug or device payments recorded (2025) · Telehealth · (512) 482-0045
Dr. Linda Yang, DO
Austin, TX · No drug or device payments recorded (2025) · Telehealth · (512) 476-7111
Dr. Louis Hine, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 443-1311
Dr. Louis Ramos, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 640-2691
Dr. Loveleen Somal, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 299-2229
Dr. Lu Ann Bundrant, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 482-0045
Dr. Luci Leykum, MD
Austin, TX · No drug or device payments recorded (2025) · Telehealth · (855) 481-8375
Dr. Luke Laconi, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 495-5555
Dr. Lydia Wolf, MD
Austin, TX · No drug or device payments recorded (2025) · Telehealth · (512) 338-8388
Dr. Lyndon Huang, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 495-5555
Dr. Lysbeth Miller, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 324-9650
Dr. Madhava Abburi, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 482-0045
Dr. Madison Terzo, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 495-5555
Dr. Mahnoor Liaqat
Austin, TX · $115 in drug and device payments (2025) · (614) 378-1273
Dr. Mahsa Mansouri, MD
Austin, TX · $27 in drug and device payments (2025) · Telehealth · (512) 471-3434
Dr. Majid Atique, MD
Austin, TX · $80 in drug and device payments (2025) · (512) 654-2100
Dr. Malik Merchant, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 901-4009
Dr. Mamatha Bollineni, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 475-8252
Dr. Mangesh Bhatta, M.D.
Austin, TX · $31 in drug and device payments (2025) · (512) 544-4089
Dr. Manjusha Gupte, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 324-1000
Dr. Maqsood Bhatti, M.D.
Austin, TX · $31 in drug and device payments (2025) · (512) 324-1864
Dr. Marcia Fagerberg, MD
Austin, TX · $15 in drug and device payments (2025) · Telehealth · (512) 346-6611
Dr. Marco Lopez Velazquez, M.D.
Austin, TX · No drug or device payments recorded (2025) · (312) 385-0441
Dr. Marc Simpao, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 324-1864
Dr. Margaret Clark, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 324-4973
Dr. Maria Perez, MD
Austin, TX · No drug or device payments recorded (2025) · Telehealth · (855) 841-8375
Dr. Marielle Rominger, MD
Austin, TX · $128 in drug and device payments (2025) · Telehealth · (512) 454-5171
Dr. Marisa Chagoya, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 324-1839
Dr. Mark Hernandez, M.D.
Austin, TX · $1,226 in drug and device payments (2025) · Telehealth · (512) 324-8355
Dr. Marsha Staats, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 263-9234
Dr. Maryam Ayaz, M.D
Austin, TX · $31 in drug and device payments (2025) · (512) 366-0980
Dr. Maryam Niazi, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 495-5555
Dr. Maryam Saif, M.D.
Austin, TX · No drug or device payments recorded (2025) · Telehealth · (512) 482-0045
Dr. Mason Mileur, M.D.
Austin, TX · $1,278 in drug and device payments (2025) · Telehealth · (512) 477-1405
Dr. Matthew Benevich, MD
Austin, TX · No drug or device payments recorded (2025) · Telehealth · (512) 482-0045
Dr. Matthew Masters, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 329-0435
Dr. Matthew Medlock, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 293-0247
Dr. Matthew Middaugh, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 482-0045
Dr. Matthew Seghers
Austin, TX · No drug or device payments recorded (2025) · (512) 571-0636
Dr. Mauricio Sardan, MD
Austin, TX · $116 in drug and device payments (2025) · (512) 451-0161
Dr. Maya Bledsoe, MD
Austin, TX · $18 in drug and device payments (2025) · (512) 338-8181

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

Related

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.