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; 1,501–1,600 of 2,327.

NameSpecialtyCity
Sarah M Palmquist, M.D.Diagnostic RadiologyHouston, TX
Imelda A Pangemanan, GNP-BCNurse PractitionerHouston, TX
Nadya Panjwani, NP-CNurse PractitionerHouston, TX
Shubham Pant, MDHematology-OncologyHouston, TX
John N Papadopoulos, M.D.UrologyHouston, TX
Shalini Pappachan, APRNNurse PractitionerHouston, TX
Christopher Parham, MDPlastic and Reconstructive SurgeryHouston, TX
Alireza Parhizgar, M.D.Internal MedicineHouston, TX
Jay R Parikh, MDDiagnostic RadiologyHouston, TX
Sonal L Parikh, PA-CPhysician AssistantHouston, TX
Ryan J Park, MDRadiation OncologyHouston, TX
Jennifer W Parrish, PA-CPhysician AssistantHouston, TX
Christine M Parseghian, MDHematology-OncologyHouston, TX
Oren Pasvolsky, MDHematologyHouston, TX
Amy B Patel, PA-CPhysician AssistantHouston, TX
Anisha B Patel, M.D.DermatologyHouston, TX
Anuj D Patel, MDNeurologyHouston, TX
Chirag B Patel, MD, PHDNeurologyStanford, CA
Dharusal M Patel, MSN,APRN,FNP-C,PCCNNurse PractitionerHouston, TX
Gopi S Patel, PAPhysician AssistantHouston, TX
Jinit Patel, M.D.Emergency MedicineHouston, TX
Keyur P Patel, MDPathologyHouston, TX
Krina K Patel, M.D.Hematology-OncologyHouston, TX
Mihir Patel, M.D.Interventional RadiologyHouston, TX
Milan Patel, M.D.Diagnostic RadiologyHouston, TX
Miral M Patel, MDDiagnostic RadiologyHouston, TX
Nimisha A Patel, M.D.OphthalmologyHouston, TX
Rakhi J Patel, PA-CPhysician AssistantHouston, TX
Rutu Patel, PA-CPhysician AssistantHouston, TX
Shalin S Patel, MDOrthopedic SurgeryHouston, TX
Shivani C Patel, M.D.Hematology-OncologyHouston, TX
Shreyaskumar R PatelInternal MedicineHouston, TX
Sonali Patel, MDEmergency MedicineHouston, TX
Suraj P Patel, MDInternal MedicineHouston, TX
Tejal A Patel, M.D.Medical OncologyHouston, TX
Tushar Patel, PA-CPhysician AssistantHouston, TX
Madhavi Patnana, M.D.Diagnostic RadiologyHouston, TX
Clover J Patterson, APNNurse PractitionerHouston, TX
Lauren C Patterson, PA-CPhysician AssistantHouston, TX
Prince Paul, ACNPNurse PractitionerHouston, TX
Elizabeth C Pavel, PA-CPhysician AssistantHouston, TX
Varsha Pawate, M.DHospice and Palliative CareHouston, TX
Brittany A Payne, DNAPCertified Registered Nurse Anesthetist (CRNA)Houston, TX
Ivan Pedrosa, M.D.Diagnostic RadiologyHouston, TX
Venkata Sri Ramani Peesapati, MDInternal MedicineAnn Arbor, MI
Naveen Pemmaraju, M.D.Hematology-OncologyHouston, TX
Francisco Perez, CRNACertified Registered Nurse Anesthetist (CRNA)Houston, TX
Marcela PerezNurse PractitionerHouston, TX
Vanessa M Perez, AGACNP-BCNurse PractitionerHouston, TX
George H Perkins, M.D.Radiation OncologyHouston, TX
Subha Perni, M.D.Radiation OncologyHouston, TX
Nancy A Perrier, M.D.General SurgeryHouston, TX
Allison C Perry, PA-CPhysician AssistantHouston, TX
James M Perry, CRNACertified Registered Nurse Anesthetist (CRNA)Houston, TX
Rachel E Perry, M.D.Diagnostic RadiologyHouston, TX
Erik T Petersen, M.D.DermatologyAustin, TX
Curtis A Pettaway, M.D.UrologyHouston, TX
Cheryl E Pfennig, APNNurse PractitionerHouston, TX
Kanchan Phalak, M.D.Diagnostic RadiologyHouston, TX
Brandi A Pham, APRNNurse PractitionerHouston, TX
Crystal Pham, CRNACertified Registered Nurse Anesthetist (CRNA)Houston, TX
Michael D Pham, RN, ANP, ONPNurse PractitionerHouston, TX
Oanh T Pham, APRNNurse PractitionerHouston, TX
Quan T Pham, PA-CPhysician AssistantHouston, TX
Sydney H Pham, M.D.AnesthesiologyHouston, TX
Jack Phan, M.D., PH.D.Radiation OncologyHouston, TX
Teresa L Phan, APRNNurse PractitionerHouston, TX
Shanti S Philip, FNPNurse PractitionerHouston, TX
Shincy Philip, APNNurse PractitionerHouston, TX
Shony Philip, APRNNurse PractitionerHouston, TX
April E Phillips, CRNACertified Registered Nurse Anesthetist (CRNA)Houston, TX
Bradly J Phillips, CRNACertified Registered Nurse Anesthetist (CRNA)Houston, TX
Mackenzie Phillips, PA-CPhysician AssistantHouston, TX
Paula R Phillips, PA-CPhysician AssistantHouston, TX
Rhea M Phillips, M.D.DermatologyDallas, TX
Ei Moe Phyu, M.D.Internal MedicineHouston, TX
Alvin H Pichon, CRNACertified Registered Nurse Anesthetist (CRNA)Houston, TX
Johanne Pierre, APRNNurse PractitionerHouston, TX
Sarina A Piha-Paul, M.D.Medical OncologyHouston, TX
Mark S Pilarczyk, PA-CPhysician AssistantHouston, TX
Patrick G Pilie, MDInternal MedicineHouston, TX
Chelsea Pinnix, M.D., PH.D.Radiation OncologyHouston, TX
Matthew J Piotrowski, M.D.General SurgeryHouston, TX
Katherine M Pisters, M.D.Medical OncologyHouston, TX
Louis L Pisters, M.D.UrologyHouston, TX
Tamera R Plair, PA-CPhysician AssistantHouston, TX
Milvia Y Pleitez, M.D.NeurologyHouston, TX
Cherie Plouff, PHYSICIAN ASSISTANTPhysician AssistantHouston, TX
Paula R Pohlmann, M.D.Medical OncologyHouston, TX
Margaux Poizat, CRNACertified Registered Nurse Anesthetist (CRNA)Houston, TX
Florena Ponce, NPNurse PractitionerHouston, TX
Keyuri U Popat, M.D.AnesthesiologyHouston, TX
Uday R Popat, M.D.Hematopoietic Cell Transplantation and Cellular TherapyHouston, TX
Jasmin B Popillion, APRNNurse PractitionerHouston, TX
Shannon M Popovich, M.D.AnesthesiologyHouston, TX
Vivian L Porche, M.D.AnesthesiologyHouston, TX
Heather L Porter, APRNNurse PractitionerHouston, TX
Cheryl Potter, PA-CPhysician AssistantHouston, TX
Lucy Potter, MDInternal MedicineHouston, TX
Elena Potylchansky, MDAnesthesiologyHouston, 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