William Stuart Diamond, OD
Optometrist · Dublin, CA
William Stuart Diamond, OD is an optometrist with a practice address in Dublin, California, and NPI 1174668065, issued on Feb 20, 2007. Check the license (California 5654T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Stuart Diamond
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 5654T CA
Self-reported in NPPES; status is on the state search - Practice location
- 6500 Dublin Blvd, Dublin, CA 94568
- Phone
- (925) 828-7730
- Enumerated
- Feb 20, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (925) 828-2531
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 6500 Dublin Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marilyn LeOptometrist1265848220
Verify William Stuart Diamond in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 5654TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $23.06
1 payment: food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Stuart Diamond among 8,308 optometrist records in California
William Stuart Diamond, OD 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. Its NPI, issued in 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2007 · 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).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in Dublin → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Anthony Castanares, ODDublin, CA 945681235629361
- Roger Chan, O.D.Dublin, CA 945681912969221
- Kelli Kawai, ODDublin, CA 945681528497567
- Jonathan Lau, ODDublin, CA 945681558917997
- Marilyn LeDublin, CA 945681265848220
- Kara Lee, O.D.Dublin, CA 945681700133535
- Allen Luong, ODDublin, CA 945681326622796
- Maurice Lynch, ODDublin, CA 945681336230572
Common questions
What is William Stuart Diamond, OD's NPI number?
William Stuart Diamond, OD's National Provider Identifier (NPI) is 1174668065, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Stuart Diamond, OD located?
The NPPES record lists a practice address at 6500 Dublin Blvd, Dublin, CA, 94568. Phone: (925) 828-7730. Providers update this record themselves, so call before visiting.
How can I verify William Stuart Diamond, OD's license?
NPPES lists California license number 5654T, 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. Medicare files from data.cms.gov. 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.