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Clinicians affiliated with Calvert Internal Medicine Group, PA

39 clinicians on file with this group · most practice in Lexington Park, MD · PAC ID 1759371834

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

36 clinicians affiliated with Calvert Internal Medicine Group, PA are in the 2024 Medicare Part B data, 19 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 (9) · Nurse Practitioner (9) · Physician Assistant (7) · Cardiology (2) · Gastroenterology (2) · Allergy/ Immunology (1) · Endocrinology (1) · Family Practice (1) · Infectious Disease (1) · Nephrology (1) · Pulmonary Disease (1) · Registered Dietitian or Nutrition Professional (1)

Specialty links go to the specialty in Lexington Park, MD.

Clinicians affiliated with Calvert Internal Medicine Group, PA, 2024

Alphabetical by last name; 36.

NameSpecialtyCity
Joseph J Barth, MDInternal MedicinePrince Frederick, MD
Cassius D Belfonte, MDCardiologyPrince Frederick, MD
Eric Berg, M.D.Internal MedicinePrince Frederick, MD
Elizabeth A Bissett, CRNPNurse PractitionerPrince Frederick, MD
Lauren E Brendel, PA-CPhysician AssistantPrince Frederick, MD
Yvonne R Bright, MDGastroenterologyPrince Frederick, MD
Ciaran T Browne, MDNephrologyPrince Frederick, MD
Christy Burch, PA-CPhysician AssistantPrince Frederick, MD
Mary Cho, DNP, NP-C, AE-CNurse PractitionerPrince Frederick, MD
Brett D Coons, MDAllergy/ ImmunologyJb Andrews, MD
Leon A Drumm, CRNPNurse PractitionerSolomons, MD
Brittanie L Eggan, P.A.Physician AssistantPrince Frederick, MD
Samuel H Foster, MDCardiologyPrince Frederick, MD
Tiffany Gaines, CRNPNurse PractitionerPrince Frederick, MD
David R Gallatin, MDInternal MedicineDunkirk, MD
Brendan Glowacki, FNP-BC, CRNP-FAMILYNurse PractitionerPrince Frederick, MD
Cynthia K Grandjean, CANPNurse PractitionerDunkirk, MD
Makenzie R Griffin, FNPNurse PractitionerPrince Frederick, MD
Jessica L Jones, PACPhysician AssistantPrince Frederick, MD
Samantha L Keiter, PACPhysician AssistantPrince Frederick, MD
Paul A Kline, MDFamily PracticePrince Frederick, MD
Kristen A Knowles, NPNurse PractitionerPrince Frederick, MD
Jonathan D Lowenthal, MDInternal MedicinePrince Frederick, MD
Alison H Massey, MS, RD, CDCESRegistered Dietitian or Nutrition ProfessionalPrince Frederick, MD
Manoj Mathur, MDInternal MedicineHuntingtown, MD
Mukesh N Mathur, M.D.Internal MedicineHuntingtown, MD
Nayantara Mendonca, MDInternal MedicinePrince Frederick, MD
Glynis Moody, MDInternal MedicineDunkirk, MD
Julie O'Keefe, MDEndocrinologyPrince Frederick, MD
Ramin Pirouz, MDPulmonary DiseasePrince Frederick, MD
Paul V Pomilla, MDInfectious DiseasePrince Frederick, MD
Dolores Y Rhodes-Height, MDGastroenterologyPrince Frederick, MD
Sarah E Rothhaas, P.A.Physician AssistantPrince Frederick, MD
Taylor E Stofft, PA-CPhysician AssistantPrince Frederick, MD
Jacquelyn C Wallander, DNP CRNPNurse PractitionerPrince Frederick, MD
Peter L Wisniewski, MDInternal MedicinePrince Frederick, MD

Practice locations

Listed practice locations in Maryland.

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