Hematologists and Oncologists in Texas
Data updated monthly · Last refresh October 2026
929 Hematology & Oncology providers practice in Texas, including 451 (49%) 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.
929providers
451telehealth
Houstontop city
Hematology & Oncology by city in Texas
Choose a city to see providers there.
Where Hematologists and Oncologists in Texas practice
From CMS Medicare enrollment records covering 655 of the 929 providers listed here (71%). Providers who do not bill Medicare are not included in these figures.
9%solo or small practice (under 10 clinicians)
7%mid-size group (10 to 99)
84%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Hematologists and Oncologists | All clinicians in group | Main city |
| Texas Oncology PA | 250 | 1,001 | Dallas |
| Physicians Referral Service | 79 | 2,728 | Houston |
| University of Texas Southwestern Medical Center at Dallas | 55 | 3,156 | Dallas |
| Scott and White Clinic | 25 | 2,426 | Austin |
| Tmh Physician Associates PLLC | 24 | 1,881 | Houston |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Hematologists and Oncologists affiliated |
| Ut of Texas Southwestern University Hospital - William P. Clements Jr. | Dallas | Government | 4 of 5 | 54 |
| Memorial Hermann Hospital System | Houston | Nonprofit | 3 of 5 | 46 |
| Methodist Hospital | San Antonio | For-profit | 4 of 5 | 37 |
| Houston Methodist Hospital | Houston | Nonprofit | 5 of 5 | 31 |
| Houston Methodist the Woodlands Hospital | The Woodlands | Nonprofit | 5 of 5 | 29 |
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.
Hematology & Oncology 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. Anton Melnyk, MD,FACPAbilene, TX · $5,340 in drug and device payments (2025) ·
(325) 672-4368 Dr. Bhaskara Madhira, MDAbilene, TX · $378 in drug and device payments (2025) · Telehealth ·
(325) 692-0188 Dr. Ebenezer Appah, M.D.Abilene, TX · $1,005 in drug and device payments (2025) · Telehealth ·
(325) 670-6340 Dr. Hari Kalla, MDAbilene, TX · $1,212 in drug and device payments (2025) · Telehealth ·
(325) 692-0188 Dr. Ivanoe Vega Dulanto, MDAbilene, TX · $800 in drug and device payments (2025) ·
(325) 670-6340 Dr. Jose Velasco Di Domenico, M.D.Abilene, TX · $1,044 in drug and device payments (2025) · Telehealth ·
(325) 670-6340 Dr. Mustapha Khalife, MDAbilene, TX · $3,122 in drug and device payments (2025) ·
(253) 670-6340 Dr. Ralph Heaven, M.D.Abilene, TX · $2,012 in drug and device payments (2025) · Telehealth ·
(325) 672-4368 Dr. Victor Hirsch, MDAbilene, TX · No drug or device payments recorded (2025) ·
(325) 670-7690 Dr. Deepthi Thotakura, M.DAllen, TX · $1,962 in drug and device payments (2025) · Telehealth ·
(469) 467-4392 Dr. Andrew Mak, M.D.Amarillo, TX · $1,128 in drug and device payments (2025) ·
(806) 212-4673 Dr. Anita Ravipati, M.D.Amarillo, TX · $250 in drug and device payments (2025) ·
(806) 212-4673 Dr. David Beggs, MDAmarillo, TX · No drug or device payments recorded (2025) ·
(806) 359-4673 Dr. Gn Pillai, MDAmarillo, TX · No drug or device payments recorded (2025) ·
(806) 358-8011 Dr. James Osteen, M.D.Amarillo, TX · $133 in drug and device payments (2025) · Telehealth ·
(806) 358-8654 Dr. Javed Shinwari, M.D.Amarillo, TX · $970 in drug and device payments (2025) ·
(806) 212-4673 Dr. Milan Patel, MDAmarillo, TX · $195 in drug and device payments (2025) ·
(806) 212-4673 Dr. Paul Zorsky, M.D.Amarillo, TX · $60 in drug and device payments (2025) · Telehealth ·
(806) 359-4673 Dr. Phillip Periman, MDAmarillo, TX · No drug or device payments recorded (2025) ·
(806) 358-8654 Dr. Praveen Tumula, M.DAmarillo, TX · $6,259 in drug and device payments (2025) · Telehealth ·
(806) 358-8654 Dr. Srini Reddy, M.D.Amarillo, TX · $171 in drug and device payments (2025) ·
(806) 358-8654 Dr. William Esler, MDAmarillo, TX · No drug or device payments recorded (2025) ·
(806) 358-8654 Dr. Aena Patel, M.D.Arlington, TX · $242 in drug and device payments (2025) · Telehealth ·
(817) 664-4400 Dr. Alberto Parra, MDArlington, TX · $3,043 in drug and device payments (2025) · Telehealth ·
(817) 759-7000 Dr. Alfred Di Stefano, MDArlington, TX · No drug or device payments recorded (2025) ·
(817) 261-0929 Dr. Anh Nguyen, DO, PH.DArlington, TX · $1,901 in drug and device payments (2025) · Telehealth ·
(817) 759-7000 Dr. Anwar Khurshid, MDArlington, TX · $457 in drug and device payments (2025) · Telehealth ·
(817) 261-4906 Dr. Elizabeth Pollard, M.D.Arlington, TX · $1,477 in drug and device payments (2025) · Telehealth ·
(817) 664-4400 Dr. Karel Dicke, MD PHDArlington, TX · No drug or device payments recorded (2025) ·
(817) 261-4906 Dr. Linda Verkruyse, M.D.Arlington, TX · $43 in drug and device payments (2025) ·
(817) 467-6092 Dr. Lixin Liao, MD, PHDArlington, TX · $987 in drug and device payments (2025) · Telehealth ·
(817) 467-6092 Dr. Michael Ross, M.D.Arlington, TX · $60 in drug and device payments (2025) ·
(817) 759-7000 Dr. Puneet Dhillon, D.O.Arlington, TX · $2,199 in drug and device payments (2025) · Telehealth ·
(817) 664-4400 Dr. Revathi Angitapalli, M.D.Arlington, TX · $4,276 in drug and device payments (2025) · Telehealth ·
(817) 759-7000 Dr. Shrinivas Diggikar, M.D.Arlington, TX · $262 in drug and device payments (2025) · Telehealth ·
(817) 467-6092 Dr. Sobia Nabeel, M.DArlington, TX · $35 in drug and device payments (2025) · Telehealth ·
(682) 274-8181 Dr. Maung Oo, M.D.Athens, TX · No drug or device payments recorded (2025) ·
(903) 675-1322 Dr. Shawn Tai, M.D.Athens, TX · $2,417 in drug and device payments (2025) ·
(903) 675-1322 Dr. Allison Gorrebeeck, MDAustin, TX · $999 in drug and device payments (2025) · Telehealth ·
(512) 873-8900 Dr. Athira Unnikrishnan, MDAustin, TX · $795 in drug and device payments (2025) · Telehealth ·
(512) 421-4100 Dr. Carsten Kampe, PHD,MD,FACPAustin, TX · $69 in drug and device payments (2025) · Telehealth ·
(512) 447-2202 Dr. Daniel Nurse, DOAustin, TX · No drug or device payments recorded (2025) ·
(512) 324-7000 Dr. Dennis Tweedy, M.D.Austin, TX · No drug or device payments recorded (2025) ·
(512) 419-9733 Dr. Diaa Osman, DOAustin, TX · $2,377 in drug and device payments (2025) · Telehealth ·
(512) 447-2202 Dr. Jane Chawla, MDAustin, TX · $50 in drug and device payments (2025) · Telehealth ·
(512) 427-9400 Dr. Jeffrey Yorio, MDAustin, TX · $477 in drug and device payments (2025) · Telehealth ·
(512) 427-9400 Dr. Jennifer Wright, MDAustin, TX · $150 in drug and device payments (2025) · Telehealth ·
(512) 447-2202 Dr. John Hoverman, M.D., PH.D.Austin, TX · No drug or device payments recorded (2025) ·
(512) 302-1771 Conditions Hematology & Oncology providers in Texas commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Hematology & Oncology providers. Individual practices vary, so confirm with the provider before booking.
- Breast cancer
- Lung cancer
- Lymphoma
- Leukemia
- Anemia
- Blood disorders
Common questions
How many Hematology & Oncology providers are in Texas?There are 929 Hematology & Oncology providers with active NPI records practicing in Texas, according to federal NPPES data refreshed monthly.
Do Hematology & Oncology providers in Texas offer telehealth?Yes. 451 of the 929 Hematology & Oncology providers in Texas (about 49%) report offering telehealth services in CMS data.
Which cities in Texas have the most Hematology & Oncology providers?Houston (244), Dallas (130), San Antonio (74) have the highest concentration of Hematology & Oncology providers in Texas.
How many Hematology & Oncology providers in Texas received drug or device company payments?657 of 929 Hematology & Oncology providers in Texas (71%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Hematology & Oncology providers in Texas treat?Hematology & Oncology providers commonly treat breast cancer, lung cancer, lymphoma, leukemia, anemia 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 Hematologists and Oncologists in Texas work in independent practices or large health systems?Among 655 Hematologists and Oncologists in Texas enrolled in Medicare, 9% bill through a solo or small practice with fewer than 10 clinicians, 7% through a mid-size group of 10 to 99, and 84% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Hematologists and Oncologists in Texas work at?According to CMS facility affiliation records, the Texas hospitals where the most Hematologists and Oncologists hold privileges are Ut of Texas Southwestern University Hospital - William P. Clements Jr. in Dallas; Memorial Hermann Hospital System in Houston; Methodist Hospital in San Antonio.
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