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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Donald F Baker, OD

Optometrist in Mendham, NJ · enumerated 2006.

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

National Provider Identifier

1821102609

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Registry record

Entity type Individual (Type 1)
Name Dr. Donald F Baker
Credential OD
Sex Male
Practice address Mendham, NJ, 07945
Phone (973) 543-6101
Fax (973) 543-4071
Enumeration date Aug 18, 2006
Last updated in NPPES Sep 13, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 270A00374900 (NJ) Primary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier Type State Issuer
1177303 Medicaid NJ -

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

Where does Donald Baker practice?
The practice location on file with NPPES is in Mendham, NJ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Donald Baker?
The National Provider Identifier (NPI) for Donald Baker is 1821102609, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-09-13.