Larry Harrison, O.D.
Optometrist · San Anselmo, CA
Larry Harrison, O.D. is an optometrist with a practice address in San Anselmo, California, and NPI 1366583361, issued on Feb 11, 2007. Check the license (California 6044, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Larry Harrison
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 6044 CA
OD 525 HI
Self-reported in NPPES; status is on the state search - Practice location
- 634 San Anselmo Ave, San Anselmo, CA 94960
- Phone
- (415) 747-8191
- Enumerated
- Feb 11, 2007
- Record last updated
- May 23, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Larry Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 6044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Larry Harrison among 8,308 optometrist records in California
Larry Harrison, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2012 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 optometrist records list a practice address in San Anselmo
They are 3 of the 250 NPPES records with a practice address in San Anselmo, and 8,308 optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,308 in California → Every provider in San Anselmo → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Lassa Frank, O.D.San Anselmo, CA 949601235190208
- Nicholas Kerry, O.D.San Anselmo, CA 949601609903590
- Rick Bauer, ODSausalito, CA 949651649847187
- Maureen McCoy, O.D.Sausalito, CA 949651033247457
- Richard Aston, O.D.Petaluma, CA 949541518939156
- Marques Bostic, O.DPetaluma, CA 949541265753404
- Laura Carter, OD, MPHPetaluma, CA 949541932834355
- Frank Chao, O.D.Petaluma, CA 949541639228448
Common questions
What is Larry Harrison, O.D.'s NPI number?
Larry Harrison, O.D.'s National Provider Identifier (NPI) is 1366583361, issued on Feb 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Larry Harrison, O.D. located?
The NPPES record lists a practice address at 634 San Anselmo Ave, San Anselmo, CA, 94960. Phone: (415) 747-8191. Providers update this record themselves, so call before visiting.
How can I verify Larry Harrison, O.D.'s license?
NPPES lists California license number 6044, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.