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; 2,201–2,300 of 2,327.
| Name | Specialty | City |
|---|---|---|
| Lauryn Welling, PA-C | Physician Assistant | Houston, TX |
| David C Wells, M.D. | Diagnostic Radiology | Houston, TX |
| James W Welsh, MD | Radiation Oncology | Houston, TX |
| Leslie A Welsh, RN, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Caroline Wesonga, APRN | Nurse Practitioner | Houston, TX |
| Clint T Westaway, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Laurel Westcarth, MSN, APRN, BC | Nurse Practitioner | Houston, TX |
| Jason Westin, M.D. | Medical Oncology | Houston, TX |
| Shannon N Westin, MD | Gynecological Oncology | Houston, TX |
| Ouida L Westney, M.D. | Urology | Houston, TX |
| Brian R Weston, M.D. | Gastroenterology | Houston, TX |
| Candice N White, PA | Physician Assistant | Houston, TX |
| Michael G White, M.D. | General Surgery | Houston, TX |
| Misty D White, ARNP | Nurse Practitioner | Houston, TX |
| Kimberly M Whitford, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Tonya G Whitlow, P.A. | Physician Assistant | Houston, TX |
| Gary J Whitman, M.D. | Diagnostic Radiology | Houston, TX |
| Cayla Wideman, PA | Physician Assistant | Houston, TX |
| Lee R Wiederhold, MD, PHD | Radiation Oncology | Galveston, TX |
| John W Wiemers, RN, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Tonya M Wiemers, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| William G Wierda, M.D., PHD | Hematology-Oncology | Houston, TX |
| Roni N Wilke, MD | Obstetrics & Gynecology | Houston, TX |
| Jonathan Wilks, M.D. | Anesthesiology | Houston, TX |
| Catherine Williams, PMHNP | Nurse Practitioner | Houston, TX |
| Jessica K Williams, PA-C | Physician Assistant | Houston, TX |
| Madison H Williams, M.D. | Hematology-Oncology | Houston, TX |
| Michelle D Williams, M.D. | Pathology | Houston, TX |
| Ryan A Williams, M.D. | Hematology-Oncology | Houston, TX |
| Tamika T Williams, PA-C | Physician Assistant | Houston, TX |
| Uduak U Williams, M.D. | Anesthesiology | Houston, TX |
| Wendell H Williams, M.D. | Anesthesiology | Houston, TX |
| Sharon Williams-Mattox, APRN, BC-FNP | Nurse Practitioner | Houston, TX |
| Jason Willis, M.D., PH.D. | Internal Medicine | Houston, TX |
| Mara L Wilson, MS, RN, FNP-C | Nurse Practitioner | Houston, TX |
| Renee M Wilson, PA | Physician Assistant | Houston, TX |
| Shiby M Wilson, NURSE PRACTITIONER | Nurse Practitioner | Houston, TX |
| Nancy Wipf, N.P. | Nurse Practitioner | Houston, TX |
| Elsa M Wise, PA-C | Physician Assistant | Houston, TX |
| Elizabeth A Wolf, PA-C | Physician Assistant | Houston, TX |
| Kelsey R Wolfe, APRN | Nurse Practitioner | Houston, TX |
| Robert A Wolff, M.D. | Medical Oncology | Houston, TX |
| Alexander M Won, DDS | Oral Surgery (Dentist only) | Houston, TX |
| Franklin C Wong, M.D., PHD. | Nuclear Medicine | Houston, TX |
| Vincenzo Wong, M.D. | Diagnostic Radiology | Houston, TX |
| Lauren T Wood | Nurse Practitioner | Houston, TX |
| Orelia B Wood, FNP-C | Nurse Practitioner | Houston, TX |
| Wendy A Woodward, M.D. PHD | Radiation Oncology | Houston, TX |
| Biruh Workeneh, MD | Nephrology | Houston, TX |
| Rebekah Wotman, APRN | Nurse Practitioner | Houston, TX |
| Crystal C Wright, MD | Anesthesiology | Houston, TX |
| Matthew D Wright, MD | Medical Oncology | Houston, TX |
| Carol C Wu, M.D. | Diagnostic Radiology | Houston, TX |
| Pei H Wu, PA | Physician Assistant | Houston, TX |
| Susan Wu, MD | Radiation Oncology | Houston, TX |
| Yun Wu, M.D., PHD | Pathology | Houston, TX |
| Yuhua Xiao, APRN | Nurse Practitioner | Houston, TX |
| Guofan Xu, M.D. | Nuclear Medicine | Houston, TX |
| Jie Xu, M.D., PHD | Pathology | Houston, TX |
| Rajesh R Yadav, M.D. | Physical Medicine and Rehabilitation | Houston, TX |
| Chasity L Yajima, FNP-C | Nurse Practitioner | Houston, TX |
| Sudha Yalamanchili, APRN | Nurse Practitioner | Houston, TX |
| Clinton Yam, MD | Medical Oncology | Houston, TX |
| Claire C Yang, RN FNP | Nurse Practitioner | Houston, TX |
| Richard K Yang, M.D. | Pathology | Houston, TX |
| Wei T Yang, M.D. | Diagnostic Radiology | Houston, TX |
| James C Yao, M.D. | Medical Oncology | Houston, TX |
| Timothy A Yap, MD | Medical Oncology | Houston, TX |
| Erin B Yates, PA | Physician Assistant | Houston, TX |
| Marchelle L Yatsko, PA-C | Physician Assistant | Houston, TX |
| Fang Ye, NP | Nurse Practitioner | Houston, TX |
| Jing C Ye, MD | Hematology | Houston, TX |
| Yan Ye, APRN | Nurse Practitioner | Houston, TX |
| Debra Yeboa, MD | Radiation Oncology | Houston, TX |
| Sireesha Yedururi, M.D. | Diagnostic Radiology | Houston, TX |
| Cassian K Yee, MD | Medical Oncology | Houston, TX |
| Richard W Yee, MD | Ophthalmology | Bellaire, TX |
| Sriram Yennu, M.D. | Hospice and Palliative Care | Houston, TX |
| Eduardo A Yepez Guevara, MD | Infectious Disease | Houston, TX |
| Sai-Ching J Yeung, M.D. PHD | Internal Medicine | Houston, TX |
| Steven M Yevich, M.D. | Interventional Radiology | Houston, TX |
| Jessica L Yi, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Jing Yi, PA-C | Physician Assistant | Houston, TX |
| Sora D Yi, PA | Physician Assistant | Houston, TX |
| Musa Yilmaz, M.D. | Hematology-Oncology | Houston, TX |
| Cheng C Yin, M.D., PHD | Pathology | Houston, TX |
| Feng Yin, M.D. | Pathology | Houston, TX |
| Anita K Ying, M.D. | Endocrinology | Houston, TX |
| Leslie Ammabel Ynalvez, MD | Cardiology | Houston, TX |
| Alison Yoder, MD | Radiation Oncology | Houston, TX |
| Takeshi Yokoo, MD | Diagnostic Radiology | Dallas, TX |
| Chenxi You, PA-C | Physician Assistant | Houston, TX |
| Yi-Qian You, MD | Colorectal Surgery (Proctology) | Rochester, MN |
| Christopher C Young, MD PHD | Neurosurgery | Houston, TX |
| Peter Young, MD | Diagnostic Radiology | Houston, TX |
| Jessie Z Yu, M.D. | Plastic and Reconstructive Surgery | Houston, TX |
| Peirong Yu, M.D. | Plastic and Reconstructive Surgery | Houston, TX |
| Wendong Yu, M.D. | Pathology | Houston, TX |
| Syed W Yusuf, M.D. | Cardiology | Houston, TX |
| Annie Zachariah, PA-C | Physician Assistant | 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