Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Patricia A Mcdonald, M.D.

Ophthalmology Physician in Farmington, CT · enumerated 2005.

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

National Provider Identifier

1639179476

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Registry record

Entity type Individual (Type 1)

Name Dr. Patricia A Mcdonald

Credential M.D.

Sex Female

Practice address 210 Main Street Po Box 38, Farmington, CT, 06032

Phone (860) 539-9136

Enumeration date Jul 22, 2005

Last updated in NPPES Dec 17, 2024

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 024751 (CT) 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
004214433	Medicaid	CT	-
1255448155	Other	CT	GHMC GROUP NPI ID
060065	Other	CT	HEALTH NET
481607	Other	CT	AETNA
P369883	Other	CT	OXFORD
010024751CT02	Other	CT	BCBS & BCFP ID
01024751	Other	CT	CIGNA
138005	Other	CT	WELLCARE MEDICARE
180024412	Other	CT	RAIL ROAD MEDICARE ID
7939301	Other	CT	CONNECTICARE

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 Patricia Mcdonald?

Patricia Mcdonald is registered in NPPES with the primary taxonomy of Ophthalmology 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.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-17.