NPPES file of Aug 9, 2026

Pediatric Allergy/Immunology Physician in Maryland

22 NPPES records list pediatric allergy/immunology physician with a practice address in Maryland, 0.4 per 100,000 residents, the 9th highest rate of 42. 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 2080P0201X · 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, 15

  1. Baltimore15
  2. Bethesda3
  3. Kensington1
  4. Lutherville1
  5. Rockville1

Pediatric Allergy/Immunology Physician records in Maryland

  1. Mary Bollinger, D.OBaltimore, MD 212011629011127
  2. Jennifer Dantzer, MDBaltimore, MD 212871598050536
  3. Ejiofor EzekweBethesda, MD 208921053809186
  4. John Farley, MDBaltimore, MD 212011306889373
  5. Pamela Frischmeyer-Guerrerio, M.D. PH.D.Baltimore, MD 212871184762106
  6. Maria Gutierrez, M.D.Baltimore, MD 212871689832800
  7. Debra Houck, CRNPBaltimore, MD 212011437162518
  8. Corinne Keet, MDBaltimore, MD 212871396881579
  9. Anupama Kewalramani, MDBaltimore, MD 212011194767699
  10. Richard Layton, MDTowson, MD 212041699878603
  11. Howard Lederman, M.D.Baltimore, MD 212871326086430
  12. Prasanna Nair, M.D.Baltimore, MD 212011598703100
  13. Yung-Hao Pung, M.D.Rockville, MD 208521396733473
  14. Ronald Rabin, MDKensington, MD 208951841340593
  15. Kenneth Schuberth, M.D.Lutherville, MD 210931407839913
  16. Vicki Tepper, PHDBaltimore, MD 212011568491876
  17. Isabel Vallecillo-Viejo, MD, PHDBethesda, MD 208921982133930
  18. Douglas Watson, MDBaltimore, MD 212011720015175
  19. Jerry Winkelstein, M.D.Baltimore, MD 212871235167669
  20. Julia Wisniewski, M.D.Baltimore, MD 212101205095593
  21. Robert Wood, M.D.Baltimore, MD 212871508894221
  22. Fernanda Young, MDBethesda, MD 208921295198919

Source: CMS NPPES, primary taxonomy 2080P0201X: records by practice city and the list of records, file of Aug 9, 2026.

Maryland ranks 9 of 42 per resident

  1. North Dakota0.4
  2. Wisconsin0.4
  3. Colorado0.4
  4. Maryland0.4
  5. Pennsylvania0.3
  6. Louisiana0.3
  7. 50 states and D.C.0.2

Source: CMS NPPES, primary taxonomy 2080P0201X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

27.3% of these records appear in a Medicare file, against 65.4% 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. Maryland27.3%
  2. United States65.4%

Pediatric Allergy/Immunology Physician records in Maryland, measured

  • In a Medicare file6 of 22 · 27.3% here, 65.4% nationally
  • In the CMS Doctors and Clinicians file4 · 18.2% here, 36.5% nationally
  • Not updated in five years or more16 · 72.7% here, 55.9% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0201X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

22 NPPES records list pediatric allergy/immunology physician (2080P0201X) as their primary taxonomy with a practice address in Maryland: 0.4 per 100,000 residents against 0.2 nationally (50 states and D.C.). Baltimore has 15 of them (68%).

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. Wisconsin22
  2. Colorado21
  3. Illinois24
  4. Virginia18

States with a similar rate per 100,000

  1. Pennsylvania0.3
  2. Louisiana0.3
  3. New York0.3
  4. Ohio0.4

The largest states

  1. New York57
  2. California52
  3. Ohio50
  4. Pennsylvania43
  5. Florida40

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.