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; 1,001–1,100 of 2,327.
| Name | Specialty | City |
|---|---|---|
| Sergio Klimkowski, MD | Diagnostic Radiology | Houston, TX |
| Ann H Klopp, MD PHD | Radiation Oncology | Houston, TX |
| Stephanie R Knight, APRN FNP-C | Nurse Practitioner | Houston, TX |
| Susan L Knippel, RN, FNP | Nurse Practitioner | Houston, TX |
| Justin D Knowles, NP-C | Nurse Practitioner | Houston, TX |
| Ashley S Knox, MS, RN, FNP-C | Nurse Practitioner | Houston, TX |
| Eugene J Koay, M.D., PH.D. | Radiation Oncology | Houston, TX |
| Kimberly H Koenig, M.D. | Hematology-Oncology | Houston, TX |
| Evelin L Kolenc, MSN, APRN-FNP-C | Nurse Practitioner | Houston, TX |
| Rachel Koller, DNP, NP | Nurse Practitioner | Houston, TX |
| Spogmai N Komak, MD | General Surgery | Galveston, TX |
| Tsuyoshi Konishi, MD, PHD | Colorectal Surgery (Proctology) | Houston, TX |
| Dimitrios P Kontoyiannis, M.D. | Infectious Disease | Houston, TX |
| Linda Koo, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Kwame Koom-Dadzie, M.D. | Internal Medicine | Houston, TX |
| Edmund S Kopetz, M.D. | Medical Oncology | Houston, TX |
| Brinda R Korivi, M.D. | Diagnostic Radiology | Houston, TX |
| Steven M Kornblau, M.D. | Internal Medicine | Houston, TX |
| Shibu Koshy, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Riya T Kottoor, NP-C | Nurse Practitioner | Houston, TX |
| Efstratios Koutroumpakis, M.D. | Cardiology | Houston, TX |
| Craig A Kovitz, M.D. | Hematology-Oncology | Houston, TX |
| Alicia M Kowalski, M.D. | Anesthesiology | Houston, TX |
| Dhanalakshmi Koyyalagunta, M.D. | Pain Management | Houston, TX |
| Angela N Krach, APRN-C | Nurse Practitioner | Houston, TX |
| Simone Krebs, M.D. | Nuclear Medicine | Houston, TX |
| Pavitra Krishnamani, MD | Emergency Medicine | Houston, TX |
| Savitri Krishnamurthy, M.D. | Pathology | Houston, TX |
| Juliet Kroll, PHD | Psychologist, Clinical | Houston, TX |
| Michael H Kroll, MD | Hematology-Oncology | Houston, TX |
| Joshua D Kuban, MD, MMS | Interventional Radiology | Houston, TX |
| Cynthia Kudakachira, NP | Nurse Practitioner | Houston, TX |
| Eitan Kugler, MD PHD | Hematology | Houston, TX |
| Manila Kumar | Nurse Practitioner | Houston, TX |
| Salil Kumar, M.D. | Cardiology | Houston, TX |
| Savita Kumar, PA-C | Physician Assistant | Houston, TX |
| Vinodh A Kumar, M.D. | Diagnostic Radiology | Houston, TX |
| Andrea R Kummer, APRN | Nurse Practitioner | Houston, TX |
| Uma R Kundu, M.D. | Pathology | Houston, TX |
| Jessy S Kurian, NP | Nurse Practitioner | Houston, TX |
| Jolly C Kurian, NP-C | Nurse Practitioner | Houston, TX |
| Mary Kurian, DNP, APRN, FNP-C | Nurse Practitioner | Houston, TX |
| Jacob T Kuruvila, PA-C | Physician Assistant | Houston, TX |
| Rachel B Kushaney, NP | Nurse Practitioner | Houston, TX |
| Andrzej Kwater, MD | Anesthesiology | Houston, TX |
| Piotr A Kwater, M.D. | Anesthesiology | Houston, TX |
| Cindy Kwok, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Michael C Kwon, M.D. | Diagnostic Radiology | Houston, TX |
| Irene Kyritsis, NP | Nurse Practitioner | Houston, TX |
| Kevin Lagman, NP-C | Nurse Practitioner | Houston, TX |
| Amit Lahoti, MD | Nephrology | Houston, TX |
| Chao-Ming Lai, RN, ANP | Nurse Practitioner | Houston, TX |
| Emily Lai | Anesthesiology | Houston, TX |
| Stephen Y Lai, MD,PHD | Otolaryngology | Houston, TX |
| Isabel Laiseca-Ruiz, PA-C | Physician Assistant | Houston, TX |
| Jusjit Lalli, M.D | Internal Medicine | Houston, TX |
| Peter M Lamie, D.O. | Hospitalist | Houston, TX |
| Joshua Landrum, PA-C | Physician Assistant | Houston, TX |
| Deanna L Lane, M.D. | Diagnostic Radiology | Houston, TX |
| John S Lane, DO | Internal Medicine | Houston, TX |
| Frederick F Lang, M.D. | Neurosurgery | Houston, TX |
| Miriam N Lango, M.D. | Otolaryngology | Houston, TX |
| Hugo R Lara-Martinez, MD | Hematology-Oncology | Houston, TX |
| Rene D Largo, M.D. | Plastic and Reconstructive Surgery | Houston, TX |
| Kelly J Larkin, M.D. | Emergency Medicine | Houston, TX |
| Andrew J Larson, RN FNP | Nurse Practitioner | Houston, TX |
| Javier D Lasala, M.D. | Anesthesiology | Houston, TX |
| Nooreahmed Latiff, P.A. | Physician Assistant | Houston, TX |
| Bonnie Lau, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Christian Laubscher, PA | Physician Assistant | Jacksonville, FL |
| Victor R Lavis, M.D. | Internal Medicine | Houston, TX |
| Judith Lawrence, FNP | Nurse Practitioner | Houston, TX |
| Kristie Lawrence, FNP | Nurse Practitioner | Houston, TX |
| Barrett Lawson, M.D. | Pathology | Houston, TX |
| Rachel M Layman, M.D. | Medical Oncology | Houston, TX |
| Alexander J Lazar, M.D.,PHD | Pathology | Houston, TX |
| Anh Tuyet Le, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Huong Le, MD | Rheumatology | Houston, TX |
| Jeffrey N Le, NP | Nurse Practitioner | Houston, TX |
| Ott Le, MD | Diagnostic Radiology | Galveston, TX |
| Phat H Le, MD | Hematology-Oncology | Houston, TX |
| Truong Le, APRN | Nurse Practitioner | Houston, TX |
| Xiuning Le, M.D. | Internal Medicine | Boston, MA |
| Daniel J Leal Alviarez, MD | Internal Medicine | Houston, TX |
| Kim O Learned, MD | Diagnostic Radiology | Houston, TX |
| Eufemia Leathers, NP | Nurse Practitioner | Houston, TX |
| Nicole Leboeuf, M.D. | Dermatology | Worcester, MA |
| Celia R Ledet, M.D. | General Surgery | Houston, TX |
| Anna Lee, MD, MPH | Radiation Oncology | Houston, TX |
| Byron H Lee, M.D., PH.D. | Urology | Houston, TX |
| Hun J Lee, MD, MBA | Medical Oncology | Houston, TX |
| Jeffrey H Lee, M.D. | Gastroenterology | Houston, TX |
| Kathie-Ann Lee | Nurse Practitioner | Baytown, TX |
| Mijeong K Lee, FNP | Nurse Practitioner | Houston, TX |
| Sarah J Lee, NP | Nurse Practitioner | Houston, TX |
| Shelly C Lee, RN, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Houston, TX |
| Stephen R Lee, MD | Diagnostic Radiology | Houston, TX |
| Sun Mi Lee, M.D. | Pathology | Houston, TX |
| Sunyoung Lee, MD | Medical Oncology | Houston, TX |
| Wendi S Lee, RN FNP | 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