NPPES file of Aug 9, 2026

Pediatric Hematology & Oncology Physician in Maine

14 NPPES records list pediatric hematology & oncology physician with a practice address in Maine, 1 per 100,000 residents, the 22nd highest rate of 50. Scarborough and Brewer have the most; each record links to the provider's NPI and the Maine license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2080P0207X · method

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

Scarborough has the most, 7

  1. Scarborough7
  2. Brewer5
  3. Bangor1
  4. Cape Elizabeth1

Pediatric Hematology & Oncology Physician records in Maine

  1. Ayotola Ajayi, MDBrewer, ME 044121447736962
  2. Judith Allen, M.D.Bangor, ME 044011497782767
  3. Stephen Blattner, MDCape Elizabeth, ME 041071992913255
  4. Daniel Callaway, M.D.Brewer, ME 044121134428899
  5. Stanley Chaleff, MDScarborough, ME 040741871549451
  6. Sarah Fryberger, MDBrewer, ME 044121366548935
  7. Ashley Jean, MDScarborough, ME 040741518320217
  8. Nadav Kastle, M.D.Scarborough, ME 040741083051122
  9. Eric Larsen, M.D.Scarborough, ME 040741548299548
  10. Subha Mazzone, M.D.Brewer, ME 044121760757868
  11. Anne Rossi, M.D.Scarborough, ME 040741194759506
  12. Nadine Santacruz, M.D.Brewer, ME 044121053631952
  13. Sei-Gyung Sze, M.D.Scarborough, ME 040741831416452
  14. Aaron Weiss, DOScarborough, ME 040741013945708

Source: CMS NPPES, primary taxonomy 2080P0207X: records by practice city and the list of records, file of Aug 9, 2026.

Maine ranks 22 of 50 per resident

  1. Connecticut1.0
  2. North Dakota1.0
  3. Michigan1.0
  4. Maine1.0
  5. Utah1.0
  6. Illinois0.9
  7. 50 states and D.C.1.1

Source: CMS NPPES, primary taxonomy 2080P0207X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

57.1% of these records appear in a Medicare file, against 50.9% 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. Maine57.1%
  2. United States50.9%

Pediatric Hematology & Oncology Physician records in Maine, measured

  • In a Medicare file8 of 14 · 57.1% here, 50.9% nationally
  • In the CMS Doctors and Clinicians file7 · 50.0% here, 31.2% nationally
  • Not updated in five years or more10 · 71.4% here, 54.5% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0207X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

14 NPPES records list pediatric hematology & oncology physician (2080P0207X) as their primary taxonomy with a practice address in Maine: 1 per 100,000 residents against 1.1 nationally (50 states and D.C.). Scarborough has 7 of them (50%).

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. Arkansas15
  2. Puerto Rico15
  3. West Virginia13
  4. Mississippi12

States with a similar rate per 100,000

  1. Utah1.0
  2. Michigan1.0
  3. Connecticut1.0
  4. Texas1.0

The largest states

  1. California417
  2. Texas319
  3. New York289
  4. Pennsylvania218
  5. Massachusetts197

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.