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

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

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; 1,901–2,000 of 2,327.

NameSpecialtyCity
Kinjal Somaiya, APRNNurse PractitionerHouston, TX
Linda H Song, MDPathologyHouston, TX
Qing Song, CAAAnesthesiology AssistantHouston, TX
Yun Song, MDGeneral SurgeryHouston, TX
Anil K Sood, M.D.Gynecological OncologyHouston, TX
Monica Sou, NPNurse PractitionerHouston, TX
Maria Sourikova, CRNACertified Registered Nurse Anesthetist (CRNA)Houston, TX
Meghan Sowers, PA-CPhysician AssistantHouston, TX
Son Linda Soy, MSN, APRN, AGACNP-BCNurse PractitionerHouston, TX
Amy Spallone, M.D.Infectious DiseaseHouston, TX
Barbra B Speer, D.O.AnesthesiologyCamp Lejeune, NC
Megan Speer, M.D.Diagnostic RadiologyHouston, TX
Bethany G Sphar, FNP-CNurse PractitionerHouston, TX
Michael Spiotto, M.D., PH.D.Radiation OncologyChicago, IL
Arielle D Sprott, FNP-BCNurse PractitionerHouston, TX
Krithika Srinivasan, MDInfectious DiseaseHouston, TX
Samer Srour, MDInternal MedicineHouston, TX
Robert A Staes, RN, CRNACertified Registered Nurse Anesthetist (CRNA)Houston, TX
Nir Stanietzky, M.D.Diagnostic RadiologyHouston, TX
Michael C Stauder, MDRadiation OncologyHouston, TX
Michele Steffek, PAPhysician AssistantHouston, TX
Bobyna Stephen, APRNNurse PractitionerHouston, TX
Jina S Stephen, PA-CPhysician AssistantHouston, TX
Saneese Stephen, RPA-CPhysician AssistantBrooklyn, NY
Stella Stephen, NP-CNurse PractitionerHouston, TX
Donna M Stephenson, APRNNurse PractitionerHouston, TX
Brandon Sterling, AGACNP-BC APRNNurse PractitionerHouston, TX
Holly Stewart, PAPhysician AssistantHouston, TX
John M Stewart, M.D., PHDPathologyHouston, TX
Chad Strange, MDDiagnostic RadiologyTemple, TX
Paolo Strati, M.D.Internal MedicineHouston, TX
John Stroh, M.D.Emergency MedicineHouston, TX
Felicia Stumpf, APRNNurse PractitionerHouston, TX
Jackson Su, M.D.AnesthesiologyHouston, TX
Shirley Y Su, MDOtolaryngologyHouston, TX
Carla P Suarez, NPNurse PractitionerHouston, TX
Maria E Suarez-Almazor, M.D.RheumatologyHouston, TX
Adrien S Subora, PA-CPhysician AssistantHouston, TX
Sumit Subudhi, MD, PHDMedical OncologyHouston, TX
Polly SudarioNurse PractitionerHouston, TX
Ryan Sudario, APRNNurse PractitionerHouston, TX
Sheila B Suello, APRNNurse PractitionerHouston, TX
Victoria S Sukholutsky, PAPhysician AssistantHouston, TX
Jasmine S Sukumar, M.D.Medical OncologyHouston, TX
Theresa M Sullivan, APRNCertified Clinical Nurse SpecialistHouston, TX
Hongxia Sun, MDPathologyHouston, TX
Huihui Sun, APRNNurse PractitionerHouston, TX
Mingli Sun, CRNA,MSN,RNCertified Registered Nurse Anesthetist (CRNA)Houston, TX
Susie X Sun, M.D.General SurgeryHouston, TX
Tam Sun, MDAnesthesiologyHouston, TX
Xiaoping Sun, M.D., PHDPathologyHouston, TX
Shibili Sunny, NPNurse PractitionerHouston, TX
Gloria H Sura, MDPathologyHouston, TX
Venkateswar Rao Surabhi, M.D.Diagnostic RadiologyHouston, TX
Devaki Shilpa S Surasi, MDNuclear MedicineHouston, TX
Elizabeth W Sutherland, PA-CPhysician AssistantHouston, TX
Mahesh Swaminathan, MDHematology-OncologyHouston, TX
Todd Swanson, M.D., PH.D.Radiation OncologyGalveston, TX
Wengrid A Swearingen, APRN, FNP-CNurse PractitionerHouston, TX
Keith J Sweeney, M.D.PathologyHouston, TX
Stephen G Swisher, M.D.Thoracic SurgeryHouston, TX
William F Symmans, M.D.PathologyHouston, TX
Nicholas A Szewczyk, APRNNurse PractitionerHouston, TX
Janio Szklaruk, M.D.Diagnostic RadiologyHouston, TX
Ariel D Szvalb, M.D.Infectious DiseaseHouston, TX
Mika Tabata, MDDermatologyHouston, TX
Melissa W Taggart, MDPathologyHouston, TX
Koichi Takahashi, M.D.Hematology-OncologyHouston, TX
Nicolette Taku, MD, MPHIL, MPHRadiation OncologyHouston, TX
Kimmie M Tallie, FNPNurse PractitionerHouston, TX
Alda L Tam, M.D.Interventional RadiologyHouston, TX
Pheroze Tamboli, M.D.PathologyHouston, TX
Kavitha Tamerisa, PA-CPhysician AssistantHouston, TX
Nina P Tamirisa, MDGeneral SurgeryHouston, TX
Eric P Tamm, M.D.Diagnostic RadiologyHouston, TX
Dongfeng Tan, M.D.PathologyHouston, TX
Jens A Tan, MDAnesthesiologyHouston, TX
Nasir A Tanauli, MDAnesthesiologyHouston, TX
Kimberson Tanco, MDHospice and Palliative CareHouston, TX
Chad Tang, MDRadiation OncologyHouston, TX
Guilin Tang, M.D.PathologyHouston, TX
Michael J Tang, MDHospice and Palliative CareHouston, TX
Tin-Yun Tang, MDInternal MedicineHouston, TX
Megan J Tanner, NP-CNurse PractitionerHouston, TX
Nizar M Tannir, M.D.Medical OncologyHouston, TX
Gabriela Tantillo Sepulveda, MDNeurologyHouston, TX
Hira Tanwir, MDInternal MedicineHouston, TX
Nicole M Tapia, M.D.General SurgeryHouston, TX
Mehrnoosh Tashakori, M.D.PathologyHouston, TX
Molly K Tate, FNPNurse PractitionerHouston, TX
Claudio E Tatsui, MDNeurosurgeryHouston, TX
Kiana Tatum, AGACNP-BCNurse PractitionerHouston, TX
Hussein A Tawbi, MDInternal MedicineHouston, TX
Jean H Tayar, MDRheumatologyHouston, TX
Erica L Taylor, M.D.PsychiatrySan Antonio, TX
Erin R Taylor, PA-CPhysician AssistantHouston, TX
Jolyn S Taylor, M.D.Gynecological OncologyHouston, TX
Lynn D Taylor, RN, CRNACertified Registered Nurse Anesthetist (CRNA)Houston, TX
Terry Taylor, M.D.Internal MedicineHouston, TX
Crystal B Teague, APRN, FNP-CNurse PractitionerHouston, 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