Geriatric Medicine Doctors (Internal Medicine) in Texas
Data updated monthly · Last refresh October 2026
253 Geriatric Medicine (Internal Medicine) providers practice in Texas, including 61 (24%) 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.
253providers
61telehealth
Houstontop city
Geriatric Medicine (Internal Medicine) by city in Texas
Choose a city to see providers there.
Where Geriatric Medicine Doctors (Internal Medicine) in Texas practice
From CMS Medicare enrollment records covering 137 of the 253 providers listed here (54%). Providers who do not bill Medicare are not included in these figures.
15%solo or small practice (under 10 clinicians)
18%mid-size group (10 to 99)
67%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Geriatric Medicine Doctors (Internal Medicine) | All clinicians in group | Main city |
| University of Texas Southwestern Medical Center at Dallas | 15 | 3,156 | Dallas |
| Ut Physicians | 9 | 1,744 | Houston |
| Legacy Healthcare Services Inc. | 6 | 3,431 | Spring |
| Scott and White Clinic | 6 | 2,426 | Temple |
| University of Texas Health Science Center at San Antonio | 6 | 1,290 | San Antonio |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Geriatric Medicine Doctors (Internal Medicine) affiliated |
| Ut of Texas Southwestern University Hospital - William P. Clements Jr. | Dallas | Government | 4 of 5 | 16 |
| Houston Methodist Hospital | Houston | Nonprofit | 5 of 5 | 11 |
| Memorial Hermann - Texas Medical Center | Houston | Nonprofit | 4 of 5 | 11 |
| Memorial Hermann Hospital System | Houston | Nonprofit | 3 of 5 | 10 |
| Harris Health | Houston | Government | 3 of 5 | 8 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Geriatric Medicine (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. Syed ShahAllen, TX · No drug or device payments recorded (2025) · Telehealth ·
(972) 359-0000 Dr. Daksha Khandheria, M.DAmarillo, TX · No drug or device payments recorded (2025) ·
(806) 355-9703 Dr. Joan Riker, MDAmarillo, TX · No drug or device payments recorded (2025) ·
(806) 290-8258 Dr. Pallavi Kakulavar, M.D.Angleton, TX · No drug or device payments recorded (2025) ·
(281) 536-7698 Dr. Sriranjani Bajjuri, M.D.Arlington, TX · $122 in drug and device payments (2025) ·
(817) 276-6850 Dr. Ana Fuentevilla, MDAustin, TX · No drug or device payments recorded (2025) ·
(888) 478-8432 Dr. Archie Smith, MDAustin, TX · No drug or device payments recorded (2025) ·
(512) 479-3526 Dr. Cynthia Gneco Wilamo, MDAustin, TX · No drug or device payments recorded (2025) · Telehealth ·
(612) 407-8880 Dr. Denise Moraw, M.D.Austin, TX · No drug or device payments recorded (2025) ·
(512) 288-0661 Dr. Glendalyz Alberto, MDAustin, TX · $22 in drug and device payments (2025) · Telehealth ·
(855) 481-8375 Dr. Gwendolyn Miller, MDAustin, TX · No drug or device payments recorded (2025) ·
(512) 324-9650 Dr. Koshy Varghese, M.D.Austin, TX · No drug or device payments recorded (2025) ·
(512) 407-8880 Dr. Leslie Cortes, M.D.Austin, TX · No drug or device payments recorded (2025) ·
(512) 349-5573 Dr. Liam Fry, MDAustin, TX · $43 in drug and device payments (2025) · Telehealth ·
(512) 477-4088 Dr. Maria Ramos Mendez, M.D.Austin, TX · No drug or device payments recorded (2025) · Telehealth ·
(512) 442-1996 Dr. Mary Maxwell, M.D.Austin, TX · No drug or device payments recorded (2025) ·
(512) 451-4488 Dr. Mauricio Gonzalez Arias, MDAustin, TX · $75,090 in drug and device payments (2025) ·
(512) 548-0465 Dr. Michael Krol, M.D.Austin, TX · No drug or device payments recorded (2025) ·
(512) 482-4088 Dr. Sarah Matt, MDAustin, TX · No drug or device payments recorded (2025) ·
(512) 452-2100 Dr. Toral Parikh, MDAustin, TX · $826 in drug and device payments (2025) · Telehealth ·
(512) 996-1466 Dr. Santos Soberon, M.D.Beaumont, TX · $645 in drug and device payments (2025) ·
(409) 898-2994 Dr. Aanand Naik, M.D.Bellaire, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 486-5150 Dr. Nuzha Amjad, M.D.Bellaire, TX · $190 in drug and device payments (2025) · Telehealth ·
(713) 486-5150 Dr. Rafael Samper-ternent, MD, PHDBellaire, TX · No drug or device payments recorded (2025) ·
(713) 500-9427 Dr. Ivory Garrett Price, MDBorger, TX · No drug or device payments recorded (2025) ·
(806) 467-5700 Dr. Jose Rosado Morales, MDBurleson, TX · $408 in drug and device payments (2025) · Telehealth ·
(817) 585-1768 Dr. David Hackethorn, M.D.College Station, TX · No drug or device payments recorded (2025) ·
(979) 691-3300 Dr. Maryann Choi, M.D.College Station, TX · No drug or device payments recorded (2025) ·
(979) 383-2340 Dr. Thomas Hancher, M.D.Columbus, TX · No drug or device payments recorded (2025) ·
(979) 732-5794 Dr. Steven Gates, D.O.Conroe, TX · No drug or device payments recorded (2025) ·
(936) 525-3600 Dr. Divyaswapnika Javvaji, M.DCoppell, TX · $131 in drug and device payments (2025) ·
(972) 393-1699 Dr. Andres Bonelli, MDCorpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 882-1917 Dr. Ronald Taylor, MDCypress, TX · $138 in drug and device payments (2025) ·
(281) 469-4939 Dr. Anita Aisner, M.D.Dallas, TX · No drug or device payments recorded (2025) ·
(469) 466-7111 Dr. Anupama Gangavati, M.D.Dallas, TX · No drug or device payments recorded (2025) · Telehealth ·
(214) 648-2212 Dr. Barry O'neal, MDDallas, TX · No drug or device payments recorded (2025) ·
(214) 857-0756 Dr. Belinda Vicioso, MDDallas, TX · No drug or device payments recorded (2025) · Telehealth ·
(214) 645-0624 Dr. Craig Rubin, M.D.Dallas, TX · No drug or device payments recorded (2025) · Telehealth ·
(214) 645-8650 Dr. David Crawford, MDDallas, TX · No drug or device payments recorded (2025) ·
(214) 645-8650 Dr. David Hales, M.D.Dallas, TX · No drug or device payments recorded (2025) ·
(214) 857-1710 Dr. Deborah Freeland, M.D.Dallas, TX · No drug or device payments recorded (2025) · Telehealth ·
(214) 645-8650 Dr. Diana Kerwin, MDDallas, TX · $4,073 in drug and device payments (2025) ·
(214) 345-4449 Dr. Erica Chu, M.D.Dallas, TX · No drug or device payments recorded (2025) · Telehealth ·
(214) 633-5555 Dr. Harold Wagner, D.O.Dallas, TX · No drug or device payments recorded (2025) ·
(972) 572-1998 Dr. Ihab Hajjar, MD,MSDallas, TX · No drug or device payments recorded (2025) ·
(323) 442-5100 Common questions
How many Geriatric Medicine (Internal Medicine) providers are in Texas?There are 253 Geriatric Medicine (Internal Medicine) providers with active NPI records practicing in Texas, according to federal NPPES data refreshed monthly.
Do Geriatric Medicine (Internal Medicine) providers in Texas offer telehealth?Yes. 61 of the 253 Geriatric Medicine (Internal Medicine) providers in Texas (about 24%) report offering telehealth services in CMS data.
Which cities in Texas have the most Geriatric Medicine (Internal Medicine) providers?Houston (65), Dallas (35), San Antonio (31) have the highest concentration of Geriatric Medicine (Internal Medicine) providers in Texas.
How many Geriatric Medicine (Internal Medicine) providers in Texas received drug or device company payments?74 of 253 Geriatric Medicine (Internal Medicine) providers in Texas (29%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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 Geriatric Medicine Doctors (Internal Medicine) in Texas work in independent practices or large health systems?Among 137 Geriatric Medicine Doctors (Internal Medicine) in Texas enrolled in Medicare, 15% bill through a solo or small practice with fewer than 10 clinicians, 18% through a mid-size group of 10 to 99, and 67% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Geriatric Medicine Doctors (Internal Medicine) in Texas work at?According to CMS facility affiliation records, the Texas hospitals where the most Geriatric Medicine Doctors (Internal Medicine) hold privileges are Ut of Texas Southwestern University Hospital - William P. Clements Jr. in Dallas; Houston Methodist Hospital in Houston; Memorial Hermann - Texas Medical Center in Houston.
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