NPPES file of Aug 9, 2026

Pediatric Infectious Diseases Physician in Maryland

36 NPPES records list pediatric infectious diseases physician with a practice address in Maryland, 0.6 per 100,000 residents, the 13th highest rate of 49. Baltimore and Bethesda have the most; each record links to the provider's NPI and the Maryland license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2080P0208X · method

Baltimore has the most, 19

Pediatric Infectious Diseases Physician records in Maryland

  1. Robert Ancona, MDBaltimore, MD 212101346342680
  2. Leslie Ball, M.D.Bethesda, MD 208891730248048
  3. Margaret Bash, M.D.Bethesda, MD 208141154407054
  4. Ozlem Belen, M.D.Annapolis, MD 214091972638674
  5. Andrea Berry, MDBaltimore, MD 212011851421200
  6. Niranjan Bhat, M.D.Baltimore, MD 212871184760555
  7. James Campbell, MDBaltimore, MD 212011780627646
  8. Sumanth Cherukumilli, MDBaltimore, MD 212151669034591
  9. Mark Connors, M.D.Bethesda, MD 208921851790752
  10. Filip Dubovsky, MDGaithersburg, MD 208781841815172
  11. Laura Guay, MDBaltimore, MD 212871306988837
  12. Rohan Hazra, M.D.Bethesda, MD 208921366677239
  13. Alison Helfrich, DO, MPHBethesda, MD 208891184987539
  14. Patrick Hickey, M.D.Bethesda, MD 208891962438523
  15. Bill Kapogiannis, M.D.Baltimore, MD 212871407038524
  16. Tafadzwa Kasambira, M.D., M.P.H.Baltimore, MD 212871720125248
  17. Karen Kotloff, MDBaltimore, MD 212011316982812
  18. Miriam Laufer, M.D.Baltimore, MD 212011831135557
  19. Matthew Laurens, M.D.Baltimore, MD 212011548310220
  20. Lucia Lee, MDSilver Spring, MD 209931114899291
  21. Susan Lipton, M.D.Baltimore, MD 212151316980485
  22. Kalpana Manthiram, M.D.Bethesda, MD 208921063648178
  23. Ashley Maranich, M.D.Bethesda, MD 208891710951934
  24. Aaron Milstone, M.D.Baltimore, MD 212871871659128
  25. Martin Ottolini, MDBethesda, MD 208141407875313
  26. Nadine Peart Akindele, M.D.Baltimore, MD 212871750777363
  27. Matthew Penfold, DOBethesda, MD 208891851782502
  28. Erica Prochaska, MDBaltimore, MD 212871093179129
  29. Michael Rajnik, M.D.Bethesda, MD 208891831103860
  30. Nadia Sam-Agudu, MDBaltimore, MD 212011851435127
  31. David Stagliano, M.D.Bethesda, MD 208891952495806
  32. Kanta Subbarao, MBBSBethesda, MD 208921356750756
  33. Pranita Tamma, M.D.Baltimore, MD 212871316090236
  34. Milagritos Tapia, MDBaltimore, MD 212011003851106
  35. Mark Travassos, M.D.Baltimore, MD 212011912113861
  36. Margan Zajdowicz, M.D., M.P.HBethesda, MD 208891851362297

Source: CMS NPPES, primary taxonomy 2080P0208X: records by practice city and the list of records, file of Aug 9, 2026.

Maryland ranks 13 of 49 per resident

  1. New York0.6
  2. Colorado0.6
  3. Washington0.6
  4. Maryland0.6
  5. Hawaii0.6
  6. Minnesota0.5
  7. 50 states and D.C.0.5

Source: CMS NPPES, primary taxonomy 2080P0208X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

11.1% of these records appear in a Medicare file, against 45.7% 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. Maryland11.1%
  2. United States45.7%

Pediatric Infectious Diseases Physician records in Maryland, measured

  • In a Medicare file4 of 36 · 11.1% here, 45.7% nationally
  • In the CMS Doctors and Clinicians file3 · 8.3% here, 28.5% nationally
  • Not updated in five years or more24 · 66.7% here, 57.1% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0208X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

36 NPPES records list pediatric infectious diseases physician (2080P0208X) as their primary taxonomy with a practice address in Maryland: 0.6 per 100,000 residents against 0.5 nationally (50 states and D.C.). Baltimore has 19 of them (53%).

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. Colorado35
  2. District of Columbia35
  3. Michigan35
  4. New Jersey38

States with a similar rate per 100,000

  1. Washington0.6
  2. New York0.6
  3. Pennsylvania0.6
  4. Connecticut0.7

The largest states

  1. California161
  2. New York120
  3. Texas106
  4. Massachusetts86
  5. Pennsylvania83

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.