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Dr. John B Gillen, MD

Ophthalmology Physician in Cincinnati, OH · enumerated 2006.

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

National Provider Identifier

1700845948

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Registry record

Entity type Individual (Type 1)
Name Dr. John B Gillen
Credential MD
Sex Male
Practice address 7850 Camargo Rd, Cincinnati, OH, 45243
Phone (513) 561-5655
Fax (513) 561-2319
Enumeration date Mar 17, 2006
Last updated in NPPES Nov 20, 2017

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 35-025979 (OH) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
0117224 Medicaid OH -
180031749 Other OH RAILROAD MEDICARE

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 John Gillen?
The National Provider Identifier (NPI) for John Gillen is 1700845948, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Gillen practice?
The practice location on file with NPPES is in Cincinnati, OH. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-11-20.