Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John T Maciejewski, O.D.
Optometrist in Bridgeport, CT · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629135678
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Registry record
Entity type Individual (Type 1)
Name John T Maciejewski
Credential O.D.
Sex Male
Practice address 2664 East Main Street, Bridgeport, CT, 06610
Phone (203) 333-4828
Fax (203) 336-0049
Enumeration date Jan 2, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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 |
|---|---|---|---|
| 004087765 | Medicaid | CT | - |
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.
Frequently asked questions
What is the NPI number for John Maciejewski?
The National Provider Identifier (NPI) for John Maciejewski is 1629135678, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Maciejewski practice?
The practice location on file with NPPES is in Bridgeport, CT. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.