NPI Portal NPI Lookup & Verification

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

Dr. Francis Anthony Trzepkowski, O.D.

Optometrist in Hamburg, NY · enumerated 2006 · practices at Bleich, Inc..

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

National Provider Identifier

1457328650

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Francis Anthony Trzepkowski
Credential O.D.
Sex Male
Practice address Hamburg, NY, 14075
Phone (716) 648-5761
Fax (716) 648-4044
Enumeration date Mar 7, 2006
Last updated in NPPES Jul 9, 2007

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 T4727 (NY) Primary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD 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 specialty is Francis Trzepkowski?
Francis Trzepkowski is registered in NPPES with the primary taxonomy of Optometrist. 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.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.