Clinicians affiliated with General Physician PC

501 clinicians on file with this group · most practice in Buffalo-Cheektowaga, NY · PAC ID 9537213079

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

409 clinicians affiliated with General Physician PC are in the 2024 Medicare Part B data, 197 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 (104) · Physician Assistant (102) · Internal Medicine (47) · Cardiology (38) · Family Practice (29) · Obstetrics & Gynecology (29) · Diagnostic Radiology (10) · Hospitalist (8) · Gastroenterology (6) · Pulmonary Disease (6) · General Surgery (5) · Registered Dietitian or Nutrition Professional (3) · Clinical Cardiac Electrophysiology (2) · Colorectal Surgery (Proctology) (2) · Gynecological Oncology (2) · Interventional Cardiology (2) · Medical Oncology (2) · Orthopedic Surgery (2) · Podiatry (2) · Allergy/ Immunology (1) · Certified Nurse Midwife (1) · General Practice (1) · Hematology-Oncology (1) · Nuclear Medicine (1) · Sports Medicine (1) · Surgical Oncology (1) · Thoracic Surgery (1)

Specialty links go to the specialty in Buffalo-Cheektowaga, NY.

Clinicians affiliated with General Physician PC, 2024

Alphabetical by last name; 301–400 of 409.

NameSpecialtyCity
Geoffrey Roeser, PAPhysician AssistantNorth Tonawanda, NY
Brandon A Rogers, DPMPodiatryOlean, NY
Steven S Rood, DOObstetrics & GynecologyWilliamsville, NY
Talia Root, PAPhysician AssistantWilliamsville, NY
Matthew J Rusk, DOInternal MedicineBuffalo, NY
Olivia N Rutkowski, PAPhysician AssistantWilliamsville, NY
Jerome M Rutowski, FNPNurse PractitionerAmherst, NY
Sandip Saha, M.D.Pulmonary DiseaseRochester, MI
Ravi Jyot Singh Sahni, M.D.Internal MedicineDunkirk, NY
Nisha Sarna, MDFamily PracticeSpringville, NY
Daniella SawmaNurse PractitionerWilliamsville, NY
Magdi E Sayegh, M.D.Obstetrics & GynecologyWilliamsville, NY
Amanda Scafetta, AGNPNurse PractitionerBuffalo, NY
Kacy ScarpaPhysician AssistantWilliamsville, NY
Elizabeth Schmand, F.N.P.Nurse PractitionerBuffalo, NY
Christine M Schonour, NPNurse PractitionerOrchard Park, NY
Evan H Schulz, PAPhysician AssistantPennington, NJ
Ryane Schupp, FNPNurse PractitionerOrchard Park, NY
Nathan SedlacekPhysician AssistantBuffalo, NY
Robert L Seeley, FNPNurse PractitionerNew York, NY
Robert F Setlik, M.D.,PH.D.Medical OncologyWilliamsville, NY
Ahmed Nasir Yousuf Shah, MDInternal MedicineBuffalo, NY
Melanie Shah, FNPNurse PractitionerNiagara Falls, NY
Katherine M ShanahanPhysician AssistantWilliamsville, NY
Keith B Shankar, M.D.Family PracticeDunkirk, NY
Umesh C Sharma, MD, MS, PHDCardiologyChicago, IL
Sadie Shaw, FNPNurse PractitionerOlean, NY
Jenny A SheffieldPhysician AssistantWilliamsville, NY
Alex Shelleman, NPNurse PractitionerWilliamsville, NY
Rachel E Showers, FNP- BCNurse PractitionerEast Aurora, NY
Lawrence T Sinatra, MDFamily PracticeWilliamsville, NY
Harleen SinghInternal MedicineBuffalo, NY
Mandeep Singh, PAPhysician AssistantNiagara Falls, NY
Alyse Sireika, DOFamily PracticeBuffalo, NY
Thomas R Siudzinski, PA-CPhysician AssistantBuffalo, NY
Nicholas W Skezas, MDDiagnostic RadiologyChicago, IL
Ashley Skipper, PA-CPhysician AssistantAmherst, NY
Shaylynn E Skorka, PA-CPhysician AssistantWilliamsville, NY
Courtney G Smith, NPNurse PractitionerAmherst, NY
Nicole M Smith, FNP-CNurse PractitionerBuffalo, NY
Thomas P Smith, M.D.CardiologyWest Seneca, NY
Meghan C Snyder, NPNurse PractitionerFranklinville, NY
Vaibhaviben Solanki, MDInternal MedicineBuffalo, NY
Ritu Sood, MDInternal MedicineElma, NY
Lisa A Sorrentino, PAPhysician AssistantWilliamsville, NY
J'Leise Sosa, MDObstetrics & GynecologyBuffalo, NY
Lucas J Speak, ARNPNurse PractitionerClarence Center, NY
Jeffery D Stahl, D.OCardiologyBuffalo, NY
Sarah M Stahley, PA-CPhysician AssistantDepew, NY
Bridget R Starner, PA-CPhysician AssistantDepew, NY
Edward Starr, PA-CPhysician AssistantBuffalo, NY
Bridget Stegemann, PAPhysician AssistantBuffalo, NY
Ryan Stehlin, DNPNurse PractitionerBuffalo, NY
Donna M Steinwachs, NPNurse PractitionerWilliamsville, NY
Mark S St Marie, MDGastroenterologyWilliamsville, NY
Keith C StubeOrthopedic SurgeryWilliamsville, NY
Philip R Sullivan, MDCardiologyOrchard Park, NY
Katherine Sumner, R-PACPhysician AssistantWilliamsville, NY
Maria A Sweet, PAPhysician AssistantWest Seneca, NY
Donald F Switzer, MDCardiologyWilliamsville, NY
John G Symons, M.D.CardiologyBuffalo, NY
Julie A Szumigala, MDObstetrics & GynecologyOrchard Park, NY
Indra Tambar, MDFamily PracticeNorth Tonawanda, NY
Stuti Tambar, MDSurgical OncologyWilliamsville, NY
Shayla TathamNurse PractitionerCuba, NY
Ashley N Terragnoli, NPNurse PractitionerBuffalo, NY
Sumangaly Thambiaiyah, M.D.Internal MedicineBuffalo, NY
Danielle Thompson, PA-CPhysician AssistantAmherst, NY
Caitlyn M Tiedemann, DNPNurse PractitionerBuffalo, NY
Katherine J Trawinski, FNPNurse PractitionerHolland, NY
Carolynn Tsabai, MDFamily PracticeBuffalo, NY
Kate TuckerPhysician AssistantDepew, NY
Kaitlyn A Tytka, PAPhysician AssistantBuffalo, NY
Alyxis Uhteg, PA-CPhysician AssistantSpringville, NY
Valerie Ulm, DOObstetrics & GynecologyEast Aurora, NY
Victor J Vacanti, M.D.CardiologyWilliamsville, NY
Diana Vakante-Jankovic, M.D.Family PracticeOrchard Park, NY
Krista L Vanderwall, PAPhysician AssistantWilliamsville, NY
Tracy A Vasile, D.O.Internal MedicineSarasota, FL
Melanie Vaughn, FNP-BCNurse PractitionerBuffalo, NY
Jordan R Verrall, FNPNurse PractitionerWilliamsville, NY
Jeffrey J Visco, M.D.Colorectal Surgery (Proctology)Amherst, NY
Sachin Wadhawan, M.D.CardiologyBuffalo, NY
Jai G Wadhwani, M.D.CardiologyWilliamsville, NY
Rachel Walczyk, PAPhysician AssistantSalamanca, NY
Janine Wanamaker, AGPCNPNurse PractitionerBuffalo, NY
Marion R Watson, C.N.P.Nurse PractitionerEast Aurora, NY
Stephen J WeidnerNurse PractitionerCoudersport, PA
Mark J Welch, MDDiagnostic RadiologyWilliamsville, NY
Judy A Wesolowski, MDObstetrics & GynecologyNorth Tonawanda, NY
Adele Whitted, FNPNurse PractitionerBuffalo, NY
Pamela L Wiatrowski, NPNurse PractitionerOlean, NY
Alexandra B WiedePhysician AssistantWilliamsville, NY
Jeannette WillerNurse PractitionerBuffalo, NY
Michael W Wilt, PAPhysician AssistantCoudersport, PA
Qiana Withers, FNPNurse PractitionerAmherst, NY
Jessica A Witte, MDFamily PracticeOlean, NY
Matthew F Witte, MDSports MedicineOlean, NY
Gregory M Wolfley, RPA-CPhysician AssistantWilliamsville, NY
Rachel M WolniewiczNurse PractitionerBuffalo, NY

Practice locations

Listed practice locations in New York, Pennsylvania.

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