Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Eric C Larsen, M.D.

Pediatric Hematology & Oncology Physician in Scarborough, ME · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1548299548

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Registry record

Entity type Individual (Type 1)

Name Eric C Larsen

Credential M.D.

Sex Male

Practice address 100 Campus Dr, Unit 107, Scarborough, ME, 04074

Phone (207) 885-7565

Fax (207) 885-7577

Enumeration date Jul 2, 2006

Last updated in NPPES Apr 26, 2017

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD16882 (ME) Secondary

2080P0207X Pediatric Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License MD16882 (ME) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
30003473	Medicaid	NH	-
431781999	Medicaid	ME	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Eric Larsen?

Eric Larsen is registered in NPPES with the primary taxonomy of Pediatric Hematology & Oncology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-04-26.