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. Hajra Madani, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 482-0045
Dr. Haley Houghton, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 654-2100
Dr. Hans Haydon, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 346-6611
Dr. H Argun, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 823-4286
Dr. Hayan Yacoub, MD
Austin, TX · $203 in drug and device payments (2025) · Telehealth · (512) 553-5501
Dr. Hemali Patel, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 978-8130
Dr. Hien Duong, DO
Austin, TX · No drug or device payments recorded (2025) · (512) 447-2211
Dr. Holli Sadler, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 324-7000
Dr. Holly Dluzniewski, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 542-0500
Dr. Hope Folarin, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 443-1311
Dr. Howard Marcus, MD
Austin, TX · No drug or device payments recorded (2025) · Telehealth · (512) 346-6611
Dr. Humberto Maldonado, MD
Austin, TX · $232 in drug and device payments (2025) · (512) 454-5171
Dr. Hussain Malbari, M.D.
Austin, TX · $62 in drug and device payments (2025) · (512) 544-7111
Dr. Ian Deandrea-lazarus, MD, PHD, MPH
Austin, TX · No drug or device payments recorded (2025) · (512) 495-5555
Dr. Inayat Momin, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 324-1864
Dr. Irina Dimitrova
Austin, TX · No drug or device payments recorded (2025) · Telehealth · (855) 481-8375
Dr. Isabel Hoverman, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 459-3149
Dr. Jack Demirjian, MD
Austin, TX · $26 in drug and device payments (2025) · (817) 313-1495
Dr. Jaclyn Boozalis, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 477-4088
Dr. Jadranko Corak, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 324-9650
Dr. Jagadheeswari Ramachandran, MD
Austin, TX · $686 in drug and device payments (2025) · Telehealth · (512) 901-4009
Dr. Jalaja Rao, M.D.
Austin, TX · $108 in drug and device payments (2025) · Telehealth · (512) 837-6000
Dr. James Boysen, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 442-5326
Dr. James Hubley, DO
Austin, TX · No drug or device payments recorded (2025) · (512) 324-8355
Dr. James Hull, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 346-6611
Dr. James Mansfield, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 467-7232
Dr. James Marroquin, MD
Austin, TX · $2,536 in drug and device payments (2025) · Telehealth · (737) 285-3770
Dr. James Shane, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 482-0045
Dr. James Tai, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 475-8311
Dr. Jamon Patterson, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 324-7000
Dr. Jane Anderson
Austin, TX · $513 in drug and device payments (2025) · (512) 495-5555
Dr. Jasneet Riar, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 978-8130
Dr. Jason Fought, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 482-0045
Dr. Jason Martin, MD
Austin, TX · $1,253 in drug and device payments (2025) · (512) 324-1864
Dr. Jaya Pitchika, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 447-2211
Dr. Jeanne Ryan, M.D, F.A.C.P.
Austin, TX · No drug or device payments recorded (2025) · (512) 389-6508
Dr. Jeffree James, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 477-7076
Dr. Jeffrey Eaton, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 823-4000
Dr. Jeffrey Latimer, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 475-8335
Dr. Jennifer Nakamura, M.D.
Austin, TX · No drug or device payments recorded (2025) · Telehealth · (855) 481-8375
Dr. Jennifer Ziedonis, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 324-1864
Dr. Jerry Hood, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 334-2403
Dr. Jerry Vandel, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 346-6611
Dr. Jessica Lorenzana, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 476-7111
Dr. Jillian Rippon, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 324-7000
Dr. Johanna Busch
Austin, TX · No drug or device payments recorded (2025) · Telehealth · (512) 324-7863
Dr. John Embers, MD
Austin, TX · No drug or device payments recorded (2025) · (512) 978-9901
Dr. John Hall, M.D.
Austin, TX · $335 in drug and device payments (2025) · (512) 244-3554
Dr. John Moran, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 324-7000
Dr. John Murray, M.D.
Austin, TX · No drug or device payments recorded (2025) · (512) 476-6223

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.