Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gregory Katchuk, OD

Optometrist in Bethesda, MD · enumerated 2006 · practices at Harold Vincent Kelly M.D., P.A..

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

National Provider Identifier

1023190030

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Registry record

Entity type Individual (Type 1)

Name Gregory Katchuk

Credential OD

Sex Male

Practice address 4300 East West Highway, Bethesda, MD, 20814

Phone (301) 656-0775

Fax (301) 656-5164

Enumeration date Oct 19, 2006

Last updated in NPPES Jul 15, 2015

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 0618001165 (VA) Secondary

152W00000X Optometrist Eye and Vision Services Providers · License TA-1679 (MD) 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 is the NPI number for Gregory Katchuk?

The National Provider Identifier (NPI) for Gregory Katchuk is 1023190030, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Katchuk practice?

The practice location on file with NPPES is in Bethesda, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Pamela Meek Psychologist · Bethesda, MD NPI 1346418050 Harold Vincent Kelly M.D., P.A. Psychiatry Physician · Bethesda, MD NPI 1265708770

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-07-15.