Clinicians affiliated with Main Line Healthcare

1,184 clinicians on file with this group · most practice in Philadelphia-Camden-Wilmington, PA-NJ-DE-MD · PAC ID 1951215201

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

965 clinicians affiliated with Main Line Healthcare are in the 2024 Medicare Part B data, 670 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 (187) · Internal Medicine (138) · Family Practice (120) · Hospitalist (111) · Physician Assistant (70) · Obstetrics & Gynecology (40) · General Surgery (38) · Psychiatry (35) · Cardiology (31) · Neurology (21) · Psychologist, Clinical (15) · Orthopedic Surgery (11) · Licensed Clinical Social Worker (10) · Emergency Medicine (9) · Endocrinology (9) · Interventional Cardiology (9) · Clinical Cardiac Electrophysiology (8) · Gastroenterology (8) · Neurosurgery (8) · Anesthesiology (7) · Plastic and Reconstructive Surgery (7) · Thoracic Surgery (7) · Hematology-Oncology (6) · Advanced Heart Failure and Transplant Cardiology (5) · Colorectal Surgery (Proctology) (5) · Registered Dietitian or Nutrition Professional (5) · Audiologist (4) · Hospice and Palliative Care (4) · Licensed Professional Counselor (4) · Surgical Oncology (4) · Cardiac Surgery (3) · Critical Care (Intensivists) (3) · Otolaryngology (3) · Sports Medicine (3) · Vascular Surgery (3) · Nephrology (2) · Pulmonary Disease (2) · Rheumatology (2) · Urology (2) · Gynecological Oncology (1) · Infectious Disease (1) · Medical Oncology (1) · Pain Management (1) · Physical Medicine and Rehabilitation (1) · Preventive Medicine (1)

Specialty links go to the specialty in Philadelphia-Camden-Wilmington, PA-NJ-DE-MD.

Clinicians affiliated with Main Line Healthcare, 2024

Alphabetical by last name; 901–965 of 965.

NameSpecialtyCity
Michael A Valentino, M.D., PH.D.CardiologyBroomall, PA
Katsiaryna Vasilyeva, CRNPNurse PractitionerBerwyn, PA
Kyle VawterInternal MedicineHazleton, PA
David N Vegari, MDOrthopedic SurgeryWynnewood, PA
Jessegnia A Velasquez, APRNNurse PractitionerBryn Mawr, PA
Tanu P Verma, MDInternal MedicineWynnewood, PA
Graham Vigliotta, D.O.Internal MedicineAudubon, PA
Katrina Q Viloria, DOInternal MedicineBryn Mawr, PA
Ravi R Vinnakota, M.D.Internal MedicinePaoli, PA
Kristin A Viviani, CRNPNurse PractitionerPaoli, PA
Jonathan A VuAnesthesiologyWynnewood, PA
Charles S Wade, M.D.Internal MedicinePortsmouth, VA
Stephen D Wakulchik, MDFamily PracticeBryn Mawr, PA
Michael J Walker, MDThoracic SurgeryBryn Mawr, PA
Susan WallNurse PractitionerPaoli, PA
Dana M Wallace, CRNP FNP-CNurse PractitionerPhiladelphia, PA
Rebecca Walter, PHDPsychologist, ClinicalRadnor, PA
Tyler J Walter, CRNPNurse PractitionerWynnewood, PA
Daniel Wang, MDHospitalistWynnewood, PA
Alfred C Warlick, P.A.-CPhysician AssistantFort Washington, PA
Michael A Waronker, DOGastroenterologyCoatesville, PA
Caleb J Washabaugh, D.O.PsychiatryDanville, PA
Samantha R Watts, MDInternal MedicineWynnewood, PA
Stacey Weatherbee, RDRegistered Dietitian or Nutrition ProfessionalKing Of Prussia, PA
Denise A Webb, M.D.HospitalistMedia, PA
Melissa M Weigand, CRNPNurse PractitionerEast Norriton, PA
Lauren Weinberg, LCSWLicensed Clinical Social WorkerArdmore, PA
Gen WenInternal MedicineDanville, PA
Jason M Wentzek, DOInternal MedicinePaoli, PA
Damaris S Wessel, D.O.Family PracticeBryn Mawr, PA
Matthew Westervelt, PA-CPhysician AssistantLititz, PA
William F Whalen, PA-CPhysician AssistantPaoli, PA
Heather A White, PA-CPhysician AssistantNewtown Square, PA
Robert Wiley, MDFamily PracticeGlen Mills, PA
Alexis A Williams, M.D.Orthopedic SurgeryBryn Mawr, PA
Mary-Stewart Willsie, D.O.Emergency MedicineNewark, DE
John J Wise, CRNPNurse PractitionerWynnewood, PA
Carli WishneskiNurse PractitionerWest Chester, PA
Michael R Wisser, DOFamily PracticeGlen Mills, PA
Rebecca S Witham, MDPlastic and Reconstructive SurgeryPaoli, PA
Samantha R WitteGeneral SurgeryBroomall, PA
Daniel L Wolk, M.D.Family PracticeBroomall, PA
Kar Lai Wong, M.D.Clinical Cardiac ElectrophysiologyWynnewood, PA
Yavetta Wood, D.O.Internal MedicineChester, PA
Sean A Wright, M.D., F.A.C.S.Plastic and Reconstructive SurgeryMedia, PA
Amanda M Yakobitis, PA-CPhysician AssistantHarrisburg, PA
Benjamin YamaneFamily PracticeBryn Mawr, PA
Gan Xin Yan, MDClinical Cardiac ElectrophysiologyWynnewood, PA
Ramin S Yazdanfar, M.D.HospitalistWynnewood, PA
Irina Yegudkina, MDHospitalistPaoli, PA
Eleanora R Yeiser, DOFamily PracticeSpringfield, PA
John R Yeiser, MDFamily PracticeWynnewood, PA
Mamatha Yeturu, M.D.Family PracticeBroomall, PA
Abby J Yochim, PA-CPhysician AssistantBryn Mawr, PA
Dina York, FNP-BCNurse PractitionerSpringfield, PA
Xiaoling Yu, MDInternal MedicineWynnewood, PA
Ning Yueh, DOHospitalistPaoli, PA
Rasiq Zackria, DOGastroenterologyWynnewood, PA
Stephanie D Zadroga, CRNPNurse PractitionerBroomall, PA
Kathryn Zakrzewski, D.O.Physical Medicine and RehabilitationWynnewood, PA
Paige D Zaorski, CRNPNurse PractitionerPhiladelphia, PA
Amber ZhangFamily PracticeMedia, PA
Elizabeth S Ziegler, MDFamily PracticeCollegeville, PA
Tal Zivan, MDInternal MedicineBroomall, PA
Tayyaba Zubair, MDInternal MedicinePaoli, PA

Practice locations

Listed practice locations in 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