Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. William Stanley Holmes, OD
Optometrist in Littleton, NH · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1669544144
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Registry record
Entity type Individual (Type 1)
Name Dr. William Stanley Holmes
Credential OD
Sex Male
Practice address 104 Meadow St, Littleton, NH, 03561
Phone (603) 444-2592
Enumeration date Nov 14, 2006
Last updated in NPPES Jun 16, 2014
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 410023496 | Other | NH | RAILROAD MEDICARE |
| 80587789 | Medicaid | NH | - |
| 0737400001 | Other | NH | DMERC |
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 William Holmes?
The National Provider Identifier (NPI) for William Holmes is 1669544144, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Holmes practice?
The practice location on file with NPPES is in Littleton, NH. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Kevin Stratton Optometrist · Littleton, NH NPI 1285706762 Winnie Tseng Optometrist · Littleton, NH NPI 1629140108 William S Holmes, Od Optometrist · Littleton, NH NPI 1346364197 Envision Eye Care, Pllc Optometrist · Littleton, NH NPI 1184953937 Erica Griffin Optometrist · Littleton, NH NPI 1275948135 Kyle Keyser Optometrist · Littleton, NH NPI 1538714035 Samuel Stack Optometrist · Littleton, NH NPI 1114542149 Laura Karle Optometrist · Littleton, NH NPI 1659997070
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-06-16.