Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Douglas B. Williams, OD
Optometrist in Pittsford, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1457386138
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Registry record
Entity type Individual (Type 1)
Name Douglas B. Williams
Credential OD
Sex Male
Practice address 500 Kreag Rd, Pittsford, NY, 14534
Phone (585) 249-8300
Fax (585) 249-8361
Enumeration date Jul 11, 2006
Last updated in NPPES Jul 24, 2019
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 Douglas Williams?
The National Provider Identifier (NPI) for Douglas Williams is 1457386138, a Type 1 (individual) record in the CMS NPPES registry.
Where does Douglas Williams practice?
The practice location on file with NPPES is in Pittsford, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Rajiv Trivedi Optometrist · Pittsford, NY NPI 1518926591 Perry Halvatzis Optometrist · Pittsford, NY NPI 1528099694 Dennis Lynch Optometrist · Pittsford, NY NPI 1538175831 Ronald R. Reed MD PC Ophthalmology Physician · Pittsford, NY NPI 1972604486 Ronald R. Reed MD PC Optician · Pittsford, NY NPI 1841312501 Ronald R. Reed MD PC Optician · Pittsford, NY NPI 1497978068 Glenn Davies Optometrist · Pittsford, NY NPI 1245450675 Kimberly Rosati Optometrist · Pittsford, NY NPI 1609126994
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-07-24.