Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary A O'Connor, MD

Internal Medicine Physician in Mcgregor, TX · enumerated 2005.

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

National Provider Identifier

1063401768

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Registry record

Entity type Individual (Type 1)

Name Mary A O'Connor

Credential MD

Sex Female

Practice address 2012 Rockbridge Rd, Mcgregor, TX, 76657

Phone (360) 757-6489

Enumeration date Oct 17, 2005

Last updated in NPPES Jun 3, 2024

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD00038085 (WA) 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 is the NPI number for Mary O'Connor?

The National Provider Identifier (NPI) for Mary O'Connor is 1063401768, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary O'Connor practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-03.