Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary O'Hare, M.D.

Q: What is the NPI number for Mary O'Hare?

The National Provider Identifier (NPI) for Mary O'Hare is 1528023918, a Type 1 (individual) record in the CMS NPPES registry.

Obstetrics & Gynecology Physician in Biddeford, ME · enumerated 2006 · practices at Primecare Physician Associates.

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

National Provider Identifier

1528023918

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Registry record

Entity type Individual (Type 1)

Name Mary O'Hare

Credential M.D.

Sex Female

Practice address 9 Healthcare Drive, Suite 101, Biddeford, ME, 04005

Phone (207) 282-4270

Fax (207) 282-7350

Enumeration date Apr 19, 2006

Last updated in NPPES Nov 27, 2013

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License MD14585 (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
E62500	Other	ME	HARVARD PILGRIM
1040842	Other	ME	AETNA
1528023918	Other	ME	ANTHEM
620070501	Other	ME	CIGNA
1528023918	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 is the NPI number for Mary O'Hare?

The National Provider Identifier (NPI) for Mary O'Hare is 1528023918, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary O'Hare practice?

The practice location on file with NPPES is in Biddeford, 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 2013-11-27.