Clinicians affiliated with Johns Hopkins University

713 clinicians on file with this group · most practice in Baltimore-Columbia-Towson, MD · PAC ID 4981745098

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

624 clinicians affiliated with Johns Hopkins University are in the 2024 Medicare Part B data, 515 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 · Internal Medicine (84) · Diagnostic Radiology (81) · Physician Assistant (64) · Pathology (44) · Hospitalist (40) · Nurse Practitioner (35) · Cardiology (29) · General Surgery (26) · Orthopedic Surgery (23) · Gastroenterology (22) · Radiation Oncology (22) · Otolaryngology (14) · Infectious Disease (11) · Clinical Cardiac Electrophysiology (10) · Dermatology (10) · Hospice and Palliative Care (9) · Pulmonary Disease (9) · Neurology (7) · Advanced Heart Failure and Transplant Cardiology (6) · Nephrology (6) · Physical Medicine and Rehabilitation (6) · Audiologist (5) · Cardiac Surgery (5) · Critical Care (Intensivists) (5) · Geriatric Medicine (5) · Medical Oncology (4) · Nuclear Medicine (4) · Rheumatology (4) · Speech Language Pathologist (4) · Thoracic Surgery (4) · Endocrinology (3) · Interventional Radiology (3) · Emergency Medicine (2) · Hematology (2) · Pain Management (2) · Pediatric Medicine (2) · Plastic and Reconstructive Surgery (2) · Vascular Surgery (2) · Allergy/ Immunology (1) · Colorectal Surgery (Proctology) (1) · Family Practice (1) · Hand Surgery (1) · Podiatry (1) · Sleep Medicine (1) · Surgical Oncology (1) · Urology (1)

Specialty links go to the specialty in Baltimore-Columbia-Towson, MD.

Clinicians affiliated with Johns Hopkins University, 2024

Alphabetical by last name; 601–624 of 624.

NameSpecialtyCity
Michelle Wilson, MM, MS, CF-SLPSpeech Language PathologistBaltimore, MD
Ilan Wittstein, M.D.Advanced Heart Failure and Transplant CardiologyBaltimore, MD
Darcy J Wolfman, MDDiagnostic RadiologyBaltimore, MD
John A WollerInternal MedicineBaltimore, MD
Amelita Woodruff, MDFamily PracticeBaltimore, MD
Kevin A Woodward, P.A.Physician AssistantBaltimore, MD
Tinsay A Woreta, M.D., MPHGastroenterologyLubbock, TX
Pamela A Wright, M.D.General SurgeryBethesda, MD
Katherine Wu, M.D.CardiologyBaltimore, MD
Xiaojun Wu, M.D., PHDPathologyWashington, DC
Rena R Xian, MDPathologyBaltimore, MD
Fei Xiao, PA-CPhysician AssistantBaltimore, MD
Jianwu XiePathologyWinchester, VA
Anne D Yacoub, MDNeurologyBaltimore, MD
Jennifer D Yeagle, M.ED., CCC-AAudiologistBaltimore, MD
Jeffery H Young, M.D.Internal MedicineBaltimore, MD
Amy Yu, M.D.HospitalistBaltimore, MD
Atif Zaheer, MDDiagnostic RadiologyBaltimore, MD
Homeira Zahiri, MDNuclear MedicineBaltimore, MD
Sammy Zakaria, MD, MPHCardiologyBaltimore, MD
Colleen K Zenczak-Magill, AU.D.AudiologistBaltimore, MD
Bashir Zikria, M.D.Orthopedic SurgeryLutherville, MD
Stefan L Zimmerman, MDDiagnostic RadiologyBaltimore, MD
Jacob Zuares, PAPhysician AssistantBethesda, MD

Practice locations

Listed practice locations in District of Columbia, Maryland, Pennsylvania, Virginia.

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