NPPES file of Aug 9, 2026

Geriatric Medicine (Internal Medicine) Physician in Maryland

139 NPPES records list geriatric medicine (internal medicine) physician with a practice address in Maryland, 2.2 per 100,000 residents, the 8th highest rate of 51. Baltimore and Silver Spring have the most; each record links to the provider's NPI and the Maryland license search. Page 3 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RG0300X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Baltimore has the most, 75

  1. Baltimore75
  2. Silver Spring7
  3. Catonsville6
  4. Rockville6
  5. Bethesda4

Geriatric Medicine (Internal Medicine) Physician records in Maryland

  1. W. Anthony Riley, M.D.Baltimore, MD 212041427077189
  2. Josette Rivera, M.D.Baltimore, MD 212241497895882
  3. Barry Rosenbaum, MDKensington, MD 208951427049436
  4. Carla Rosenthal, MDBaltimore, MD 212181306923818
  5. Sharon Saunders, M.D.Owings Mills, MD 211171699442954
  6. Peter Schissler, M.D.Greenbelt, MD 207701831135243
  7. Mattan Schuchman, M.D.Baltimore, MD 212241609141795
  8. Paul Schwartz, M.D.Baltimore, MD 212181285672527
  9. Aimee Seidman, M.D.Rockville, MD 208501194797225
  10. Tin Sein, MDBaltimore, MD 212151952442998
  11. Manzar Shafi, M.D.Hagerstown, MD 217401689655367
  12. Xiangrong Shao, M.D.Baltimore, MD 212181477658813
  13. Nara Simhan, M.D.Linthicum, MD 210901871556571
  14. Samir Sinha, M.D.Baltimore, MD 212241396997730
  15. Charmian Sittambalam, MDBaltimore, MD 212371013208461
  16. Anirudh Sridharan, M.D.Baltimore, MD 212241366479800
  17. Eleanor Stewart, M.D.Clinton, MD 207351972707347
  18. Hina Syed, M.DRockville, MD 208521760523179
  19. Erwin Tan, M.D.Baltimore, MD 212241407881204
  20. Stephanie Trifoglio, M.D.Greenbelt, MD 207701811963952
  21. Stuart Turkewitz, MDGreenbelt, MD 207701831291061
  22. Mfon Umoh, MD PHDBaltimore, MD 212241740847656
  23. Victoria Vanik, M.D.Baltimore, MD 212341437159159
  24. Priya Vasdev, M.D.Bowie, MD 207161942221197
  25. Josjin VazhappillyAnnapolis, MD 214011851520936
  26. Nandakumar Vellanki, MDColumbia, MD 210451407886336
  27. Rolando Vieta, MDLutherville, MD 210931235294570
  28. Brian Wallace, MDBaltimore, MD 212361801864350
  29. Ghulam Waris, M.D.Salisbury, MD 218041568432797
  30. Michael Westerman, M.D.Silver Spring, MD 209041013929181
  31. Ernestine Wright, M.D.Timonium, MD 210931306896006
  32. Don Yablonowitz, M.D.Lanham, MD 207061831192426
  33. Sevil Yasar, M.D.Baltimore, MD 212241982640470
  34. Alberto Yataco, MDTowson, MD 212861427209972
  35. Eskandar Yazaji, MDBaltimore, MD 212181235110545
  36. Ming Yi, MDCatonsville, MD 212281295796704
  37. Chantal Youssef, MDEllicott City, MD 210421013204171
  38. Marta Zampino, MDBaltimore, MD 212871992455505
  39. Bo Zaw Win, M.D.Linthicum Heights, MD 210901942398870

Source: CMS NPPES, primary taxonomy 207RG0300X: records by practice city and the list of records, file of Aug 9, 2026.

Maryland ranks 8 of 51 per resident

  1. Connecticut2.9
  2. New York2.6
  3. Vermont2.5
  4. Maryland2.2
  5. New Hampshire2.0
  6. Maine1.9
  7. 50 states and D.C.1.4

Source: CMS NPPES, primary taxonomy 207RG0300X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

69.1% of these records appear in a Medicare file, against 72.8% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Maryland69.1%
  2. United States72.8%

Geriatric Medicine (Internal Medicine) Physician records in Maryland, measured

  • In a Medicare file96 of 139 · 69.1% here, 72.8% nationally
  • In the CMS Doctors and Clinicians file66 · 47.5% here, 51.3% nationally
  • Not updated in five years or more98 · 70.5% here, 61.4% nationally
  • Median graduation year1997 · the 66 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RG0300X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

139 NPPES records list geriatric medicine (internal medicine) physician (207RG0300X) as their primary taxonomy with a practice address in Maryland: 2.2 per 100,000 residents against 1.4 nationally (50 states and D.C.). Baltimore has 75 of them (54%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Ohio132
  2. North Carolina157
  3. New Jersey165
  4. Virginia112

States with a similar rate per 100,000

  1. Vermont2.5
  2. New Hampshire2.0
  3. Maine1.9
  4. New York2.6

The largest states

  1. California532
  2. New York508
  3. Florida287
  4. Texas256
  5. Pennsylvania228

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.