Diagnostic Radiologists in Texas
Data updated monthly · Last refresh October 2026
3,136 Diagnostic Radiology providers practice in Texas, including 23 (1%) 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.
3,136providers
23telehealth
Houstontop city
Diagnostic Radiology by city in Texas
Choose a city to see providers there.
Diagnostic Radiology 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. Jere Lancaster, DOTyler, TX · No drug or device payments recorded (2025) ·
(903) 510-1175 Dr. John Andrews, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 593-2539 Dr. John Chalmers, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 877-3451 Dr. Jose Enriquez, M.D.Tyler, TX · No drug or device payments recorded (2025) ·
(903) 593-2539 Dr. Joshua Rettig, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 510-1175 Dr. Justin Mccaslin, M.D.Tyler, TX · $1,020 in drug and device payments (2025) ·
(903) 593-2539 Dr. Robert Reuter, MDTyler, TX · $1,012 in drug and device payments (2025) ·
(903) 593-2539 Dr. Robert Weissmann, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 593-2539 Dr. Scott Eckert, M.D.Tyler, TX · No drug or device payments recorded (2025) ·
(903) 593-2539 Dr. Soran Mahmood, M.B.CH.BTyler, TX · No drug or device payments recorded (2025) ·
(903) 877-7000 Dr. Stephen Armstrong, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 593-2539 Dr. Timothy Leihgeber, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 593-2539 Dr. Barry Flanders, MDUvalde, TX · No drug or device payments recorded (2025) ·
(830) 278-6521 Dr. Jared Reading, MDUvalde, TX · No drug or device payments recorded (2025) ·
(830) 278-6521 Dr. Vani Velamati, M.DVernon, TX · No drug or device payments recorded (2025) ·
(940) 553-2856 Dr. David Tharp, MDVictoria, TX · $115 in drug and device payments (2025) ·
(361) 578-0317 Dr. Frank Wilson, D.O.Victoria, TX · No drug or device payments recorded (2025) ·
(361) 578-0317 Dr. George Dewey, M.D.Victoria, TX · No drug or device payments recorded (2025) ·
(361) 573-2496 Dr. James Neumann, MDVictoria, TX · No drug or device payments recorded (2025) ·
(361) 578-0317 Dr. John Mikus, M.D.Victoria, TX · $516 in drug and device payments (2025) ·
(832) 530-7897 Dr. Santiago Marroquin, MDVictoria, TX · $453 in drug and device payments (2025) ·
(361) 575-7441 Dr. Sean Osullivan, M.D., D.A.B.R.Victoria, TX · No drug or device payments recorded (2025) ·
(361) 572-3139 Dr. Steven Schnicker, MDVictoria, TX · No drug or device payments recorded (2025) ·
(361) 578-0317 Dr. Heramb Singh, MDVinton, TX · $4,101 in drug and device payments (2025) ·
(915) 886-4488 Dr. Amy Mccourt, MDWaco, TX · No drug or device payments recorded (2025) ·
(903) 663-7393 Dr. Clifford Hammond Iii, MDWaco, TX · No drug or device payments recorded (2025) ·
(469) 757-1000 Dr. Daniel Kirzeder, M.D. Dr. David Jansma, MDWaco, TX · No drug or device payments recorded (2025) ·
(254) 202-2000 Dr. Dennis Parks, MDWaco, TX · No drug or device payments recorded (2025) ·
(903) 663-7393 Dr. Donald Risinger, MDWaco, TX · No drug or device payments recorded (2025) ·
(254) 202-2000 Dr. Fred Rader, MDWaco, TX · No drug or device payments recorded (2025) ·
(254) 202-2000 Dr. Fred Walters, MDWaco, TX · No drug or device payments recorded (2025) ·
(254) 202-2000 Dr. Gregory Bathurst, M.D. Dr. Gustavo Villarreal Jr, MDWaco, TX · No drug or device payments recorded (2025) ·
(254) 751-4000 Dr. Howard Klaskin, MDWaco, TX · No drug or device payments recorded (2025) ·
(254) 751-4000 Dr. James Olmsted, MDWaco, TX · No drug or device payments recorded (2025) ·
(903) 663-7393 Common questions
How many Diagnostic Radiology providers are in Texas?There are 3,136 Diagnostic Radiology providers with active NPI records practicing in Texas, according to federal NPPES data refreshed monthly.
Do Diagnostic Radiology providers in Texas offer telehealth?Yes. 23 of the 3,136 Diagnostic Radiology providers in Texas (about 1%) report offering telehealth services in CMS data.
Which cities in Texas have the most Diagnostic Radiology providers?Houston (824), Dallas (497), San Antonio (254) have the highest concentration of Diagnostic Radiology providers in Texas.
How many Diagnostic Radiology providers in Texas received drug or device company payments?686 of 3,136 Diagnostic Radiology providers in Texas (22%) 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 Diagnostic Radiologists in Texas work in independent practices or large health systems?Among 2,078 Diagnostic Radiologists in Texas enrolled in Medicare, 5% bill through a solo or small practice with fewer than 10 clinicians, 17% through a mid-size group of 10 to 99, and 79% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Diagnostic Radiologists in Texas work at?According to CMS facility affiliation records, the Texas hospitals where the most Diagnostic Radiologists hold privileges are Memorial Hermann Hospital System in Houston; Memorial Hermann - Texas Medical Center in Houston; Ut of Texas Southwestern University Hospital - William P. Clements Jr. in Dallas.
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