NPPES file of Aug 9, 2026

Pediatric Gastroenterology Physician in Maryland

34 NPPES records list pediatric gastroenterology physician with a practice address in Maryland, 0.6 per 100,000 residents, the 32nd highest rate of 50. 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 2080P0206X · 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, 24

  1. Baltimore24
  2. Bethesda6
  3. Glen Burnie2
  4. Annapolis1
  5. Gaithersburg1

Pediatric Gastroenterology Physician records in Maryland

  1. Atiye Aktay, MDBaltimore, MD 212011972570646
  2. Nathalia Albarracin, MDBethesda, MD 208891942706528
  3. Susan Aucott, M.D.Baltimore, MD 212871649235979
  4. Samra Blanchard, MDBaltimore, MD 212011053423574
  5. Samantha Butzke, MDAnnapolis, MD 214011780114967
  6. Benjamin Caballero, M.D.Baltimore, MD 212871265490221
  7. Steven Czinn, MDBaltimore, MD 212011467496968
  8. Lina Diaz Calderon, M.D.Baltimore, MD 212011285074138
  9. Laura Hammon, M.D.Bethesda, MD 208891639515612
  10. Kalpana Hughes, MDBaltimore, MD 212091063455624
  11. Douglas Jacobstein, M.D.Baltimore, MD 212151609819770
  12. Boram Ji, M.D.Glen Burnie, MD 210611497132930
  13. Shelly Joseph, M.D.Baltimore, MD 212871255712402
  14. Howard Kader, M.D.Baltimore, MD 212011821031451
  15. Wikrom Karnsakul, M.D.Baltimore, MD 212871366522351
  16. Richard Katz, M.D.Baltimore, MD 212091578650354
  17. Charles Kessler, MDGaithersburg, MD 208771962534206
  18. Nathan Kolasinski, M.D.Bethesda, MD 208891114318078
  19. Shaija Kutty, MDBaltimore, MD 212871093977209
  20. Sarah Lowry Adamitis, M.D.Baltimore, MD 212641477085496
  21. Sana Mansoor, M.DBaltimore, MD 212151912253121
  22. Bumjin Min, MDBethesda, MD 208891790853208
  23. Kenneth Ng, D.O.Baltimore, MD 212871972856870
  24. Brynn O'Laughlin, MDBaltimore, MD 212151255868352
  25. Maria Oliva-Hemker, M.D.Baltimore, MD 212871306890801
  26. Jay Perman, MDBaltimore, MD 212011427075852
  27. Nidhi Rawal, MDBaltimore, MD 212011316156961
  28. Matthew Royall, M.D.Bethesda, MD 208891194046425
  29. Melissa Shapiro, M.D.Baltimore, MD 212151003298167
  30. Sara Smith, M.D.Baltimore, MD 212871114169414
  31. Carolyn Sullivan Burklow, M.D.Bethesda, MD 208891093770356
  32. David Tuchman, M.D.Baltimore, MD 212151295779163
  33. Priya Venkataraman Rao, MDGlen Burnie, MD 210611639332778
  34. Donna Zeiter, MDBaltimore, MD 212011902896350

Source: CMS NPPES, primary taxonomy 2080P0206X: records by practice city and the list of records, file of Aug 9, 2026.

Maryland ranks 32 of 50 per resident

  1. Michigan0.6
  2. Virginia0.6
  3. West Virginia0.6
  4. Maryland0.6
  5. Alaska0.5
  6. Oregon0.5
  7. 50 states and D.C.0.7

Source: CMS NPPES, primary taxonomy 2080P0206X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

52.9% of these records appear in a Medicare file, against 64.2% 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. Maryland52.9%
  2. United States64.2%

Pediatric Gastroenterology Physician records in Maryland, measured

  • In a Medicare file18 of 34 · 52.9% here, 64.2% nationally
  • In the CMS Doctors and Clinicians file6 · 17.6% here, 31.4% nationally
  • Not updated in five years or more17 · 50.0% here, 51.8% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0206X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

34 NPPES records list pediatric gastroenterology physician (2080P0206X) as their primary taxonomy with a practice address in Maryland: 0.6 per 100,000 residents against 0.7 nationally (50 states and D.C.). Baltimore has 24 of them (71%).

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. Minnesota34
  2. Connecticut32
  3. Alabama30
  4. Louisiana29

States with a similar rate per 100,000

  1. Oregon0.5
  2. Oklahoma0.5
  3. West Virginia0.6
  4. Virginia0.6

The largest states

  1. California264
  2. Texas190
  3. New York182
  4. Pennsylvania163
  5. Florida145

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.