NPI Portal NPI Lookup & Verification

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

Dr. Bryan J Mazey III, D.O.

Ophthalmology Physician in New Baltimore, MI · enumerated 2005 · practices at Ophthalmology Aquisition Plc.

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

National Provider Identifier

1730165846

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Registry record

Entity type Individual (Type 1)
Name Dr. Bryan J Mazey III
Credential D.O.
Sex Male
Practice address New Baltimore, MI, 48047
Phone (586) 716-4959
Fax (586) 716-2936
Enumeration date Dec 20, 2005
Last updated in NPPES May 19, 2014

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

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 5101011409 (MI) 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
3508019 Medicaid MI -

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 Bryan Mazey?
The National Provider Identifier (NPI) for Bryan Mazey is 1730165846, a Type 1 (individual) record in the CMS NPPES registry.
Where does Bryan Mazey practice?
The practice location on file with NPPES is in New Baltimore, MI. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-05-19.