Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Erdem Altunel, MD

Hematology & Oncology Physician in Brewer, ME · enumerated 2018 · practices at Northeast Radiation Oncology PA.

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

National Provider Identifier

1619462884

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Registry record

Entity type Individual (Type 1)

Name Erdem Altunel

Credential MD

Sex Male

Practice address 33 Whiting Hill Rd, Brewer, ME, 04412

Phone (207) 973-7478

Enumeration date Jun 28, 2018

Last updated in NPPES Apr 18, 2024

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care · License 276634 (MA) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License MD27529 (ME) Primary

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

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 Erdem Altunel?

Erdem Altunel is registered in NPPES with the primary taxonomy of 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 2024-04-18.