Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark T. Mainella, D.O.

Surgery Physician in Damariscotta, ME · enumerated 2005.

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

National Provider Identifier

1174520852

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Registry record

Entity type Individual (Type 1)

Name Mark T. Mainella

Credential D.O.

Sex Male

Practice address 24 Miles Center Way, Damariscotta, ME, 04543

Phone (207) 563-4252

Fax (207) 563-4275

Enumeration date Jul 7, 2005

Last updated in NPPES Oct 9, 2018

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 1799 (ME) Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License DO1799 (ME) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
283930099	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.

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Frequently asked questions

What is the NPI number for Mark Mainella?

The National Provider Identifier (NPI) for Mark Mainella is 1174520852, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Mainella practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-10-09.