Clinicians affiliated with Physicians Referral Service
2,765 clinicians on file with this group · most practice in Houston-Pasadena-The Woodlands, TX · PAC ID 7911801410
2,327 clinicians affiliated with Physicians Referral Service are in the 2024 Medicare Part B data, 1,288 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.
Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report
Affiliated clinicians by specialty, 2024
All specialties · Nurse Practitioner (538) · Physician Assistant (342) · Diagnostic Radiology (160) · Internal Medicine (124) · Certified Registered Nurse Anesthetist (CRNA) (120) · Pathology (120) · Medical Oncology (95) · Anesthesiology (94) · Radiation Oncology (89) · Hematology-Oncology (78) · General Surgery (35) · Emergency Medicine (32) · Surgical Oncology (30) · Neurology (26) · Plastic and Reconstructive Surgery (26) · Interventional Radiology (25) · Gastroenterology (24) · Hospice and Palliative Care (23) · Otolaryngology (23) · Dermatology (21) · Urology (20) · Infectious Disease (19) · Endocrinology (18) · Hematology (18) · Gynecological Oncology (17) · Cardiology (16) · Hematopoietic Cell Transplantation and Cellular Therapy (15) · Neurosurgery (15) · Psychologist, Clinical (13) · Critical Care (Intensivists) (12) · Pulmonary Disease (12) · Hospitalist (11) · Nuclear Medicine (11) · Anesthesiology Assistant (10) · Physical Medicine and Rehabilitation (9) · Certified Clinical Nurse Specialist (8) · Nephrology (8) · Thoracic Surgery (8) · Ophthalmology (7) · Oral Surgery (Dentist only) (7) · Orthopedic Surgery (7) · Obstetrics & Gynecology (6) · Pain Management (6) · Psychiatry (5) · Rheumatology (5) · Colorectal Surgery (Proctology) (4) · Family Practice (4) · Vascular Surgery (4) · Clinical Cardiac Electrophysiology (1) · General Practice (1) · Geriatric Medicine (1) · Geriatric Psychiatry (1) · Licensed Clinical Social Worker (1) · Medical Genetics and Genomics (1) · Pediatric Medicine (1)
Specialty links go to the specialty in Houston-Pasadena-The Woodlands, TX.
Clinicians affiliated with Physicians Referral Service, 2024
Alphabetical by last name; 2,001–2,100 of 2,327.
| Name | Specialty | City |
|---|---|---|
| Davis C Teichgraeber, MD | Diagnostic Radiology | Houston, TX |
| Jegy M Tennison, MD | Physical Medicine and Rehabilitation | Houston, TX |
| Shawn S Terry, PA-C | Physician Assistant | Houston, TX |
| Sanjit O Tewari, M.D. | Interventional Radiology | Houston, TX |
| Dilip R Thakar, MD | Anesthesiology | Houston, TX |
| Beenu Thakral, M.D. | Pathology | Houston, TX |
| Jennifer Thankachan, APRN | Nurse Practitioner | Houston, TX |
| Sajini M Thekkel, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Jisha G Thekkumthara, NP | Nurse Practitioner | Houston, TX |
| Leah M Theriot, PA-C | Physician Assistant | Houston, TX |
| Selvi Thirumurthi, M.D. | Gastroenterology | Houston, TX |
| Ajay Thomas, PAC | Physician Assistant | Houston, TX |
| Amari Thomas, NP | Nurse Practitioner | Houston, TX |
| Anumol Thomas | Nurse Practitioner | Houston, TX |
| Ashly Thomas, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Bency A Thomas, PA-C | Physician Assistant | Houston, TX |
| George P Thomas, M.D., PH.D. | Neurology | Mckinney, TX |
| Hema Thomas, APRN | Nurse Practitioner | Houston, TX |
| Jainy Thomas, APRN | Nurse Practitioner | Houston, TX |
| Jessica O Thomas, MSN, FNP-C | Nurse Practitioner | Houston, TX |
| Jisha A Thomas, FNP | Nurse Practitioner | Houston, TX |
| Jomol E Thomas, NP | Nurse Practitioner | Houston, TX |
| Juliana M Thomas, FNP | Nurse Practitioner | Houston, TX |
| Malini Thomas, APRN | Nurse Practitioner | Missouri City, TX |
| Parijatham Thomas, M.D. | Medical Oncology | Houston, TX |
| Princey Thomas, ACNP, RN | Nurse Practitioner | Houston, TX |
| Sheeba K Thomas, MD | Medical Oncology | Houston, TX |
| Sheena Thomas | Nurse Practitioner | Sugar Land, TX |
| Sherin Thomas, NP | Nurse Practitioner | Houston, TX |
| Teena M Thomas, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Terez M Thomas, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Valencia D Thomas, M.D. | Dermatology | Houston, TX |
| Cecilia A Thompson, APRN | Nurse Practitioner | Houston, TX |
| Kara A Thompson, M.D. | Cardiology | Houston, TX |
| Margaret M Thompson, PA-C | Physician Assistant | Houston, TX |
| Rekha P Thoppil, MD | Nurse Practitioner | Houston, TX |
| Sonali N Thosani, MD | Endocrinology | Houston, TX |
| Marla Throssel, APRN | Nurse Practitioner | Houston, TX |
| Gordon S Tilney, PA-C | Physician Assistant | Houston, TX |
| Laura Timciuc, PA-C | Physician Assistant | Houston, TX |
| Shaun B Tindall, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Connie To, APRN | Nurse Practitioner | Houston, TX |
| Ronnie S Tobias, NP | Nurse Practitioner | Houston, TX |
| Sarah E Todd, PA-C | Physician Assistant | Houston, TX |
| Martin Tom, M.D | Radiation Oncology | Houston, TX |
| Evangeline P Tomongha, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Annie Toms, APRN | Nurse Practitioner | Houston, TX |
| Sophy Tomy, FNP | Nurse Practitioner | Houston, TX |
| Smitty Tony, NP | Nurse Practitioner | Houston, TX |
| Harrys A Torres, M.D. | Infectious Disease | Houston, TX |
| Carlos A Torres Cabala, MD | Pathology | Houston, TX |
| Gokce Toruner, MD, PHD | Medical Genetics and Genomics | Newark, NJ |
| Margarita Tovbin, APRN | Nurse Practitioner | Houston, TX |
| Amy Tran, NP | Nurse Practitioner | Houston, TX |
| Connie T Tran, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Jennifer Tran, APRN | Nurse Practitioner | Houston, TX |
| Justine Tran, NP | Nurse Practitioner | Houston, TX |
| Phuoc T Tran, MD, PHD | Radiation Oncology | Houston, TX |
| Phuong N Tran, APRN | Nurse Practitioner | Houston, TX |
| Victoria T Tran, PA-C | Physician Assistant | Houston, TX |
| Hop S Tran Cao, M.D. | Surgical Oncology | Houston, TX |
| Ivo W Tremont-Lukats, MD | Neurology | Orlando, FL |
| Cynthia M Trevino, RN, ANP | Nurse Practitioner | Houston, TX |
| George Triadafilopoulos, MD INC. | Gastroenterology | Houston, TX |
| Megan A Trogus, PA-C | Physician Assistant | Houston, TX |
| Patricia Troncoso, M.D. | Pathology | Houston, TX |
| Agnes Trueman, ANP | Nurse Practitioner | Houston, TX |
| Minh Ngan Q Truong, PA-C | Physician Assistant | Houston, TX |
| Mylene T Truong, M.D. | Diagnostic Radiology | Houston, TX |
| Theresa T Truong, APRN | Nurse Practitioner | Houston, TX |
| Frank Trzaska, AA | Anesthesiology Assistant | Houston, TX |
| Edward Tsai, MD | Anesthesiology | Houston, TX |
| January Y Tsai, MD | Anesthesiology | Houston, TX |
| Anne Tsao, M.D. | Hematology-Oncology | Houston, TX |
| Jacqueline M Tschanz, MD | Hospice and Palliative Care | Houston, TX |
| Apostolia M Tsimberidou, M.D., PHD | Hematology-Oncology | Houston, TX |
| Hilda H Tso, DO | Diagnostic Radiology | Houston, TX |
| Chi E Tsui, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Janet C Tu, M.D. | Medical Oncology | Sugar Land, TX |
| Wen Tung, PA-C | Physician Assistant | Houston, TX |
| Kimberly Turner, PA-C | Physician Assistant | Houston, TX |
| Laura J Turner, PA-C | Physician Assistant | Houston, TX |
| Nadiya Tverdun, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| David J Tweardy, MD | Infectious Disease | Houston, TX |
| Colby Tyler, PA-C | Physician Assistant | Houston, TX |
| Ching-Wei D Tzeng, MD | Surgical Oncology | Houston, TX |
| Fehime E Ucisik, M.D. | Diagnostic Radiology | Houston, TX |
| Judith Ufondu, FNP-C | Nurse Practitioner | Houston, TX |
| Ugochi Ugwuegbulam, FNP | Nurse Practitioner | Houston, TX |
| Fernando Uliana Kay, M.D. | Diagnostic Radiology | Houston, TX |
| Elizabeth S Urquiola, PA-C | Physician Assistant | Houston, TX |
| Joma Uthup, APRN | Nurse Practitioner | Houston, TX |
| Pamela A Uzoigwe, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Shital Vachhani, M.D. | Anesthesiology | Houston, TX |
| Marcelo V Vailati Negrao, M.D. | Medical Oncology | Houston, TX |
| Alan D Valentine, M.D. | Psychiatry | Houston, TX |
| Raul F Valenzuela Perez, M.D. | Diagnostic Radiology | Houston, TX |
| Vincente Valero, M.D. | Medical Oncology | Houston, TX |
| Antoinette K Van Meter, M.D. | Anesthesiology | Houston, TX |
| Tracy A Van Wieren, ANP - C | Nurse Practitioner | Houston, TX |
Practice locations
Listed practice locations in Texas.
Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.
Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations