Clinicians affiliated with Johns Hopkins University

2,909 clinicians on file with this group · most practice in Baltimore-Columbia-Towson, MD · PAC ID 8921903147

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

2,326 clinicians affiliated with Johns Hopkins University are in the 2024 Medicare Part B data, 1,701 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 (219) · Certified Registered Nurse Anesthetist (CRNA) (188) · Internal Medicine (167) · Anesthesiology (137) · Physician Assistant (137) · Diagnostic Radiology (111) · Neurology (95) · Emergency Medicine (85) · Ophthalmology (76) · Medical Oncology (73) · Psychiatry (72) · Pathology (69) · Cardiology (68) · Infectious Disease (64) · General Surgery (56) · Pulmonary Disease (50) · Gastroenterology (44) · Obstetrics & Gynecology (39) · Orthopedic Surgery (36) · Otolaryngology (34) · Nephrology (33) · Dermatology (30) · Optometry (30) · Physical Medicine and Rehabilitation (28) · Critical Care (Intensivists) (25) · Rheumatology (24) · Psychologist, Clinical (23) · Radiation Oncology (23) · Urology (23) · Neurosurgery (21) · Hospitalist (20) · Endocrinology (19) · Plastic and Reconstructive Surgery (19) · Geriatric Medicine (17) · Hematology-Oncology (16) · Pediatric Medicine (15) · Audiologist (13) · Allergy/ Immunology (9) · Clinical Cardiac Electrophysiology (9) · Thoracic Surgery (9) · Cardiac Surgery (8) · Interventional Radiology (8) · Advanced Heart Failure and Transplant Cardiology (7) · Certified Nurse Midwife (7) · Gynecological Oncology (7) · Hematology (7) · Pain Management (7) · Vascular Surgery (7) · Hospice and Palliative Care (6) · Nuclear Medicine (5) · Medical Genetics and Genomics (4) · Interventional Pain Management (3) · Addiction Medicine (2) · Colorectal Surgery (Proctology) (2) · Family Practice (2) · Hand Surgery (2) · Licensed Clinical Social Worker (2) · Oral Surgery (Dentist only) (2) · Sleep Medicine (2) · Surgical Oncology (2) · Dentist (1) · General Practice (1) · Geriatric Psychiatry (1) · Interventional Cardiology (1) · Maxillofacial Surgery (1) · Occupational Therapist in Private Practice (1) · Podiatry (1) · Registered Dietitian or Nutrition Professional (1)

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

Clinicians affiliated with Johns Hopkins University, 2024

Alphabetical by last name; 101–200 of 2,326.

NameSpecialtyCity
Charles R Arthur, M.D.PsychiatryBaltimore, MD
Logan A AsayCertified Registered Nurse Anesthetist (CRNA)Baltimore, MD
Bimal H Ashar, M.D.Internal MedicineBaltimore, MD
Deondra P Asike, M.D.AnesthesiologyTowson, MD
Fariba Asrari, M.D.Radiation OncologyBaltimore, MD
Mohamed G Atta, M.D.NephrologyBaltimore, MD
Molly E Atwood, PHDPsychologist, ClinicalBaltimore, MD
John Aucott, M.D.Internal MedicineLutherville, MD
Tammy M Aungst, P.A.-C.Physician AssistantBaltimore, MD
Paul G Auwaerter, M.D.Infectious DiseaseLutherville, MD
Jasmyne Avery, CRNACertified Registered Nurse Anesthetist (CRNA)Woodbridge, VA
Robin K Avery, M.D.Infectious DiseaseBaltimore, MD
Ama O Awuah-Asamoah, CRNPNurse PractitionerCumberland, MD
Angela Awunor, CRNACertified Registered Nurse Anesthetist (CRNA)Upper Marlboro, MD
Nilofer S Azad, MDHematology-OncologyBaltimore, MD
Javad R Azadi, M.D.Diagnostic RadiologyBaltimore, MD
Antoine Azar, M.D.Allergy/ ImmunologyBaltimore, MD
Tangwan B Azefor, MDAnesthesiologyBaltimore, MD
Hamza Aziz, M.D.Cardiac SurgeryBaltimore, MD
Alba M Azola, MDPhysical Medicine and RehabilitationBaltimore, MD
Oladeji O Babalola, CRNACertified Registered Nurse Anesthetist (CRNA)Baltimore, MD
Deena Babu, P.A.Physician AssistantWashington, DC
Varun Badami, MDPulmonary DiseaseBaltimore, MD
John W Baddley, MDInfectious DiseaseBirmingham, AL
Montez C Badger, CRNACertified Registered Nurse Anesthetist (CRNA)Silver Spring, MD
Alan Baer, MDRheumatologyBaltimore, MD
John C Baer, M.D.OphthalmologyBaltimore, MD
Andrea Chao Bafford, M.D.Colorectal Surgery (Proctology)Baltimore, MD
Serena M Bagnasco, M.D.PathologyBaltimore, MD
Susan Bahl, MDGeneral SurgeryFrederick, MD
Mona N BahouthNeurologyBaltimore, MD
Romana Baig, MDAnesthesiologyColumbia, MD
Justin R Bailey, M.D.Infectious DiseaseBaltimore, MD
Kathleen Bailey, AG-ACNPNurse PractitionerBaltimore, MD
Larsharvea B Bailey, CRNACertified Registered Nurse Anesthetist (CRNA)Baltimore, MD
Julie K Baker, APRN MSNNurse PractitionerBaltimore, MD
Ashwin Balagopal, M.D.Internal MedicineBaltimore, MD
Joseph Patrick E Balao, MSN, CRNPNurse PractitionerBaltimore, MD
Aparna BalasubramanianPulmonary DiseaseBaltimore, MD
Kamna S Balhara, MDEmergency MedicineSan Antonio, TX
Douglas W Ball, M.D.EndocrinologyBaltimore, MD
Nina T Ballone, MDPsychiatryWashington, DC
Colleen G Balmaseda, NPNurse PractitionerBethesda, MD
Sriram Balu, PA-CPhysician AssistantBaltimore, MD
Ronadip Banerjee, MD, PHDEndocrinologyBaltimore, MD
Jee Bang, M.D.NeurologyWorcester, MA
Malik I Bangura, PAPhysician AssistantBaltimore, MD
Erik Banh, PA-CPhysician AssistantBaltimore, MD
Michael C Banks, MDCritical Care (Intensivists)Baltimore, MD
Nadege Baptiste-Delerme, CRNPNurse PractitionerBaltimore, MD
Ezra BarabanPathologyBaltimore, MD
Kristin W Baranano, M.D., PH.DNeurologyBaltimore, MD
Alexander Baras, M.D., PH.D.PathologyBaltimore, MD
Patricia Barditch-Crovo, M.D.Internal MedicineBaltimore, MD
Marina Baretti, MDMedical OncologyBaltimore, MD
Benjamin Barnes, MDPediatric MedicineBaltimore, MD
Richard Barnhart, D.O.AnesthesiologyBaltimore, MD
Lili A Barouch, M.D.CardiologyBaltimore, MD
Linda F Barr, M.D.Pulmonary DiseaseTowson, MD
Andreas S Barth, M.D.Clinical Cardiac ElectrophysiologyBaltimore, MD
Mark J Baskerville, M.D.AnesthesiologyColumbia, MD
Alish R Basnet, CRNACertified Registered Nurse Anesthetist (CRNA)Baltimore, MD
Eric B Bass, M.D.Internal MedicineBaltimore, MD
Christie Basseth, M.D.Internal MedicineBaltimore, MD
Marcelo F Batkis, MDPsychiatryBaltimore, MD
Amir R Batouli, M.D.Diagnostic RadiologyBethesda, MD
Richard J Battafarano, MDGeneral SurgeryBaltimore, MD
Suchita Batwara, M.D., M.P.H.PsychiatryBaltimore, MD
Maria Bauer, MDAnesthesiologyBaltimore, MD
Mohamad M Bawadkji, MDMedical OncologyBaltimore, MD
Caitlin E Beane, PA-CPhysician AssistantUniversity Park, MD
Ana M Beard, P.A.-CPhysician AssistantLutherville, MD
Daniel Becker, MDNeurologyLutherville, MD
Tammy S Beckman, CRNPNurse PractitionerGlenburnie, MD
Marshall S Bedine, M.D.GastroenterologyLutherville, MD
Ashley Behrens, M.D.OphthalmologyBaltimore, MD
Michele F Bellantoni, M.D.Internal MedicineBaltimore, MD
Daniel C Belz, MDPulmonary DiseaseBaltimore, MD
Allan J Belzberg, M.D.NeurosurgeryLutherville, MD
Justin O Benabdallah, MDUrologyWashington, DC
Sara E Benjamin, M.D.NeurologyBaltimore, MD
Wendy L Bennett, M.D.Internal MedicineBaltimore, MD
Esther Ben Or, PA-CPhysician AssistantBaltimore, MD
Andrew R BensonCertified Registered Nurse Anesthetist (CRNA)Baltimore, MD
Michelle M Bentkowski, PAPhysician AssistantBaltimore, MD
Ronald D Berger, M.D.Clinical Cardiac ElectrophysiologyBaltimore, MD
Zackary D Berger, MD PHDInternal MedicineBaltimore, MD
Makeda BerhaneNurse PractitionerAnnapolis, MD
Gail V Berkenblit, M.D.Internal MedicineBaltimore, MD
Meghan K Berkenstock, M.D.OphthalmologyBel Air, MD
Scott A Berkowitz, MDCardiologyBaltimore, MD
Donald BerlinEmergency MedicineColumbia, MD
Adam R Berliner, MDNephrologyBaltimore, MD
David J Berman, M.D.AnesthesiologyBaltimore, MD
Stephen Berry, MDInfectious DiseaseBaltimore, MD
Edward S Bessman, M.D.Emergency MedicineBaltimore, MD
Simon R Best, M.D.OtolaryngologyBaltimore, MD
Chetan Bettegowda, MD,PHDNeurosurgeryBaltimore, MD
Katherine M Bever, MDMedical OncologyBaltimore, MD
Nikhil Bhagat, M.D.Diagnostic RadiologyBaltimore, MD

Practice locations

Listed practice locations in District of Columbia, Maryland, Missouri, North Carolina.

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