Clinicians affiliated with Roswell Park Cancer Institute

488 clinicians on file with this group · most practice in Buffalo-Cheektowaga, NY · PAC ID 3577475110

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

435 clinicians affiliated with Roswell Park Cancer Institute are in the 2024 Medicare Part B data, 229 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 (102) · Physician Assistant (89) · Diagnostic Radiology (25) · Pathology (25) · Internal Medicine (24) · Anesthesiology (23) · Medical Oncology (20) · Certified Registered Nurse Anesthetist (CRNA) (13) · Hematology-Oncology (11) · Gastroenterology (9) · General Surgery (9) · Radiation Oncology (9) · Dermatology (7) · Thoracic Surgery (6) · Gynecological Oncology (5) · Urology (5) · Hematology (4) · Hospice and Palliative Care (4) · Surgical Oncology (4) · Critical Care (Intensivists) (3) · Neurology (3) · Neurosurgery (3) · Nuclear Medicine (3) · Otolaryngology (3) · Plastic and Reconstructive Surgery (3) · Cardiology (2) · Endocrinology (2) · Family Practice (2) · Infectious Disease (2) · Psychiatry (2) · Psychologist, Clinical (2) · Pulmonary Disease (2) · Clinical Cardiac Electrophysiology (1) · Colorectal Surgery (Proctology) (1) · Emergency Medicine (1) · Hematopoietic Cell Transplantation and Cellular Therapy (1) · Interventional Radiology (1) · Maxillofacial Surgery (1) · Nephrology (1) · Orthopedic Surgery (1) · Pediatric Medicine (1)

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

Clinicians affiliated with Roswell Park Cancer Institute, 2024

Alphabetical by last name; 301–400 of 435.

NameSpecialtyCity
Teresa M Palmieri, NPNurse PractitionerBuffalo, NY
Dorothy C Pan, M.D.HematologyBuffalo, NY
Gabrielle R Paoletti, MDAnesthesiologyBuffalo, NY
Gyorgy Paragh, MD PHDDermatologyBuffalo, NY
Ankit P Patel, M.D.Surgical OncologyBuffalo, NY
Sunita Patruni, M.D.Hematology-OncologyOrchard Park, NY
Lori A Pearce, PAPhysician AssistantBuffalo, NY
Natalie C Penn, MDGastroenterologyWilliamsville, NY
Michael Petroziello, MDDiagnostic RadiologyBuffalo, NY
Karen L Pfentner, NPNurse PractitionerBuffalo, NY
Michael Pham, PA-CPhysician AssistantBuffalo, NY
Andrea E Phipps, PAPhysician AssistantWilliamsville, NY
John D Picano, M.D.GastroenterologyWilliamsville, NY
Saraswati Pokharel, MDPathologyBuffalo, NY
Ognian A Pomakov, MDGastroenterologyWilliamsville, NY
Paige E Popiela, PA-CPhysician AssistantBuffalo, NY
Dheerendra Prasad, MDRadiation OncologyBuffalo, NY
Myron Y Prawak, DODiagnostic RadiologyBuffalo, NY
Janice M Proy, NPNurse PractitionerBuffalo, NY
Eileen B Purcell, FNPNurse PractitionerBuffalo, NY
Samuel N Puvendran, MDInternal MedicineWest Seneca, NY
Igor Puzanov, MDMedical OncologyBuffalo, NY
You-Wen Qian, MDPathologyBuffalo, NY
Jingxin Qiu, MD PHDPathologyBuffalo, NY
Timothy D Quinn, MDAnesthesiologyBuffalo, NY
Kathleen M Ramsey, PAPhysician AssistantBuffalo, NY
Joseph M Rasnick, ANPNurse PractitionerTonawanda, NY
Abhinay B Reddy, DOInternal MedicineBuffalo, NY
Renee L Reding, AGPCNPNurse PractitionerBuffalo, NY
Joshua A Regal, M.D., PH.D.Radiation OncologyBuffalo, NY
Zubair U Rehman, MDInternal MedicineDurham, NC
Caitlin J Reich, MSN-FNPNurse PractitionerBuffalo, NY
Rachael L Reif, PAPhysician AssistantBuffalo, NY
Jason T Rein, ANP-BCNurse PractitionerBuffalo, NY
Danielle M Remus, NPNurse PractitionerWilliamsville, NY
Linda C RenganathanPhysician AssistantBuffalo, NY
Jeffrey M Reynolds, PA-CPhysician AssistantBuffalo, NY
Jennifer Reynolds, NPNurse PractitionerBuffalo, NY
Victoria RichelPhysician AssistantBuffalo, NY
Kevin T Robillard, MDGastroenterologyBuffalo, NY
Carolyn RobinsonNurse PractitionerBuffalo, NY
Shannon Robinson, MSN, RN, AGNPNurse PractitionerBuffalo, NY
Ruth M Rohl, RN ANPNurse PractitionerBuffalo, NY
Jenny Romero, MDHematology-OncologyBuffalo, NY
Sonam T Rosberger, M.D.Diagnostic RadiologyBuffalo, NY
Maureen Ross, MD PHDInternal MedicineBuffalo, NY
Megan K Rubin, PA-CPhysician AssistantBuffalo, NY
Anna K Russo, PA-CPhysician AssistantBuffalo, NY
Stella L Russo, PA-CPhysician AssistantBuffalo, NY
Michael D Ryan, PAPhysician AssistantBuffalo, NY
Michelle Sabia, NPNurse PractitionerBuffalo, NY
Hemanth Sasidharan Pillai, MDInternal MedicineBuffalo, NY
Megan E Schaefer, PAPhysician AssistantOrchard Park, NY
Shirley Schierer, FNPNurse PractitionerBuffalo, NY
Jessica Schmidt, RPA-CPhysician AssistantBuffalo, NY
Grant M Schofield, M.D.Internal MedicineBuffalo, NY
Todd A Schultz, MDAnesthesiologyBuffalo, NY
Kenneth P Seastedt, M.D.Thoracic SurgeryBuffalo, NY
Brian M Sedar, CRNACertified Registered Nurse Anesthetist (CRNA)Buffalo, NY
Brandon R Seifert, M.D.AnesthesiologyBuffalo, NY
Maura A Seitz, DNP, RN, FNP-BCNurse PractitionerBuffalo, NY
Joel C Shackson, MDInternal MedicineBuffalo, NY
Ahmed Nasir Yousuf Shah, MDInternal MedicineBuffalo, NY
Lauren Sheldon, DNP, AGACNP-BCNurse PractitionerBuffalo, NY
Niraj K Shenoy, M.D., PH.D.Hematology-OncologyBuffalo, NY
Carrie Silliman, NPNurse PractitionerBuffalo, NY
Anurag K Singh, MDRadiation OncologyBuffalo, NY
Ashley Singh, FNP-BCNurse PractitionerBuffalo, NY
Kristina M Slemmer, PAPhysician AssistantBuffalo, NY
Monica M Slomba, PA-CPhysician AssistantBuffalo, NY
Corrie E Smith, DNPNurse PractitionerBuffalo, NY
Kelsey A Smith, PA-CPhysician AssistantBuffalo, NY
Laura Snopkowski, NPNurse PractitionerBuffalo, NY
Madeline Snyder, NPNurse PractitionerBuffalo, NY
Kristin M Sobieraj, PAPhysician AssistantBuffalo, NY
Miranda SokanNurse PractitionerBuffalo, NY
Lucas J Speak, ARNPNurse PractitionerClarence Center, NY
Sarah A Sporski, FNP-BC, RNFANurse PractitionerBuffalo, NY
Raymond D Sroka, MDAnesthesiologyBuffalo, NY
Mona Stachowiak, CRNACertified Registered Nurse Anesthetist (CRNA)Buffalo, NY
Andrew J Stansberry, PAPhysician AssistantBuffalo, NY
Steven A Steer, M.D.Diagnostic RadiologyBuffalo, NY
Ranae Stefaniak, NPNurse PractitionerBuffalo, NY
Peggy L Stefanski, ANP-BCNurse PractitionerBuffalo, NY
Erika Stewart, NPNurse PractitionerBuffalo, NY
Valerie Stilb, PAPhysician AssistantBuffalo, NY
Zachary E Stiles, DOSurgical OncologyLockport, NY
Tracy J Sturm, CFNPNurse PractitionerBuffalo, NY
Norbert Sule, MD PHDPathologyBuffalo, NY
Erin SullivanPhysician AssistantBuffalo, NY
Irene Sun, PAPhysician AssistantBuffalo, NY
Pamela Sung, M.D. PH.D.Medical OncologyBuffalo, NY
Lindsay M Swanson, P.A.Physician AssistantBuffalo, NY
Benjamin J SwitzerMedical OncologyBuffalo, NY
Morgan E Switzer, BS, MS, PA-CPhysician AssistantBuffalo, NY
Kazuaki Takabe, MD PHDGeneral SurgeryBuffalo, NY
Carin M Tauriello, MDAnesthesiologyBuffalo, NY
Kannan Thanikachalam, M.B.B.S.Hematology-OncologyBuffalo, NY
James E Thompson, MDHematologyBuffalo, NY
Linda Tiffany, NPNurse PractitionerBuffalo, NY

Practice locations

Listed practice locations in New York.

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