Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Donald G Metzger, MD FACS

Surgery Physician in Houlton, ME · enumerated 2006.

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

National Provider Identifier

1609848258

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Registry record

Entity type Individual (Type 1)

Name Donald G Metzger

Credential MD FACS

Sex Male

Practice address 22 Hartford St, Houlton, ME, 04730

Phone (207) 532-7936

Fax (207) 532-7937

Enumeration date Feb 7, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 007508 (ME) Primary

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.

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Frequently asked questions

What is the NPI number for Donald Metzger?

The National Provider Identifier (NPI) for Donald Metzger is 1609848258, a Type 1 (individual) record in the CMS NPPES registry.

Where does Donald Metzger practice?

The practice location on file with NPPES is in Houlton, ME. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.