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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. Janet Tu, M.D.
Sugar Land, TX · $149 in drug and device payments (2025) · Telehealth · (281) 566-1900
Dr. John Tam, MD
Sugar Land, TX · No drug or device payments recorded (2025) · (713) 442-9100
Dr. Jonathon Shaffer, MD
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 494-4900
Dr. Josier Nisnisan, MD
Sugar Land, TX · $3,347 in drug and device payments (2025) · Telehealth · (281) 201-2096
Dr. Khuram Siddiqi, M.D.
Sugar Land, TX · No drug or device payments recorded (2025) · (346) 754-3302
Dr. Lin Humble, MD
Sugar Land, TX · $1,257 in drug and device payments (2025) · (713) 591-7291
Dr. Maaz Abbasi, M.D.
Sugar Land, TX · $117 in drug and device payments (2025) · Telehealth · (281) 491-1911
Dr. Manasi Kekan, M.D.
Sugar Land, TX · No drug or device payments recorded (2025) · (832) 520-9518
Dr. Manisha Ghei, M.D.
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 456-3866
Dr. Margaret Olear, M.D
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 565-1281
Dr. Matthew Doan, MD
Sugar Land, TX · No drug or device payments recorded (2025) · (713) 442-9100
Dr. Maya Patel, MD
Sugar Land, TX · $17 in drug and device payments (2025) · Telehealth · (281) 277-9898
Dr. Megan Schlichte, M.D.
Sugar Land, TX · $4,894 in drug and device payments (2025) · (281) 240-4313
Dr. Mehdi Muhammad, MD
Sugar Land, TX · $348 in drug and device payments (2025) · (281) 240-2711
Dr. Mervyn Klein, MD
Sugar Land, TX · No drug or device payments recorded (2025) · (713) 806-2992
Dr. Muneeb Mohammad, MD
Sugar Land, TX · No drug or device payments recorded (2025) · (713) 442-9100
Dr. Nagasudha Chittaluru, M.D
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 494-3460
Dr. Nneka Edokpayi, MD
Sugar Land, TX · $111 in drug and device payments (2025) · (832) 564-3526
Dr. Omad Ullah, M.D.
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 276-0836
Dr. Paul Tse, M.D.
Sugar Land, TX · $109 in drug and device payments (2025) · (281) 265-2225
Dr. Prajesh Garach
Sugar Land, TX · No drug or device payments recorded (2025) · Telehealth · (718) 240-5000
Dr. Prem Nowlakha, M.D.,
Sugar Land, TX · $36 in drug and device payments (2025) · (281) 565-0738
Dr. Priti Jadav, M.D.
Sugar Land, TX · $1,264 in drug and device payments (2025) · Telehealth · (281) 980-2599
Dr. Quinta Mbah, MD
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 565-1112
Dr. Rafael Cabello, DO
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 637-7000
Dr. Rajitha Valsan, MD
Sugar Land, TX · No drug or device payments recorded (2025) · (713) 777-5334
Dr. Ramapriya Suresh, MD
Sugar Land, TX · No drug or device payments recorded (2025) · (713) 553-3540
Dr. Rashid Khan, M.D.
Sugar Land, TX · $2,924 in drug and device payments (2025) · (832) 992-6465
Dr. Reid Cuming, M.D., P.A.
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 494-6700
Dr. Renu Tamirisa, M.D
Sugar Land, TX · $586 in drug and device payments (2025) · Telehealth · (281) 277-3300
Dr. Robert Obeid, MD
Sugar Land, TX · No drug or device payments recorded (2025) · (713) 798-3444
Dr. Saif Altaie, MD
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 274-7000
Dr. Saikavitha Krishnan Natesan
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 725-5855
Dr. Saira Hirani
Sugar Land, TX · $622 in drug and device payments (2025) · Telehealth · (281) 313-4800
Dr. Salman Aly, M.D.
Sugar Land, TX · $1,044 in drug and device payments (2025) · Telehealth · (832) 886-4774
Dr. Samir Joglekar, MD
Sugar Land, TX · No drug or device payments recorded (2025) · (713) 777-5334
Dr. Sangeetha Radhakrishnan, MD
Sugar Land, TX · No drug or device payments recorded (2025) · (713) 442-9100
Dr. Sara Fernandez, M.D.
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 491-0094
Dr. Sarah Zaidi, M.D.
Sugar Land, TX · $251 in drug and device payments (2025) · (281) 980-2100
Dr. Shahid Badar, M.D.
Sugar Land, TX · $14 in drug and device payments (2025) · (281) 721-4455
Dr. Shanaz Ali, M.D.
Sugar Land, TX · $20 in drug and device payments (2025) · Telehealth · (281) 491-0909
Dr. Sharvani Raguthu
Sugar Land, TX · No drug or device payments recorded (2025) · (832) 532-0040
Dr. Sheba Poulose, D.O.
Sugar Land, TX · No drug or device payments recorded (2025) · (713) 442-9100
Dr. Shyam Desai
Sugar Land, TX · $55 in drug and device payments (2025) · (281) 565-1112
Dr. Sidrah Sheikh, M.D.
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 276-0836
Dr. Sohail Siddiqui, M.D.
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 634-7800
Dr. Spencer Berthelsen, MD
Sugar Land, TX · $891,083 in drug and device payments (2025) · (713) 442-9100
Dr. Steven Levy, D.O.
Sugar Land, TX · No drug or device payments recorded (2025) · (713) 781-4600
Dr. Subodh Sonwalkar, M.D.
Sugar Land, TX · No drug or device payments recorded (2025) · (281) 313-2255
Dr. Sudha Nagaraj, MD
Sugar Land, TX · $309 in drug and device payments (2025) · Telehealth · (281) 276-0933

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.