Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Robert Francis Gilligan, O.D.
Optometrist in Frederick, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1063588150
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Registry record
Entity type Individual (Type 1)
Name Dr. Robert Francis Gilligan
Credential O.D.
Sex Male
Practice address 1052 W Patrick St, Frederick, MD, 21703
Phone (301) 620-7307
Fax (301) 696-1022
Enumeration date Nov 28, 2006
Last updated in NPPES Jul 9, 2007
Taxonomy & licenses
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.
Frequently asked questions
What is the NPI number for Robert Gilligan?
The National Provider Identifier (NPI) for Robert Gilligan is 1063588150, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Gilligan practice?
The practice location on file with NPPES is in Frederick, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.