NPPES file of Aug 9, 2026

Michael A. Roy, O D INC

Optometrist · Walnut Creek, CA

Michael A. Roy, O D INC is an optometrist with a practice address in Walnut Creek, California, and NPI 1770577892, issued on Sep 2, 2005. Check the license (California 5326T, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770577892
Name
Michael A. Roy
Credential
O D INC
Primary taxonomy
Optometrist 152W00000X
License number
5326T CA
Self-reported in NPPES; status is on the state search
Practice location
675 Ygnacio Valley RD, Walnut Creek, CA 94596
Phone
(925) 933-4700
Enumerated
Sep 2, 2005
Record last updated
Mar 7, 2023
Fax
(925) 933-4721
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 675 Ygnacio Valley RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Thomas Callan, ODOptometrist1043348394
  2. Stephanie Chan, ODOptometrist1689635542
  3. Ming Fang, MDGastroenterology Physician1366520199
  4. Jonathan Geleris, D.D.S.General Practice Dentistry1043686850
  5. Nicholas Hyde, MDPhlebology Physician1255511788
  6. Maridez Jenkins, F.N.P.Family Nurse Practitioner1245570266

Verify Michael A. Roy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 5326T
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Michael A. Roy among 8,308 optometrist records in California

Michael A. Roy, O D INC 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2023 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 optometrist records with the nearest ZIP codes

  1. Thomas Callan, ODWalnut Creek, CA 945961043348394
  2. Stephanie Chan, ODWalnut Creek, CA 945961689635542
  3. Diana Chen, ODWalnut Creek, CA 945961962989863
  4. Stephen Dentone, O.D.Walnut Creek, CA 945961811026552
  5. Rachel KanetaWalnut Creek, CA 945961891072906
  6. Roderick Keener, O.D.Walnut Creek, CA 945961871648865
  7. Lawrence Mock, ODWalnut Creek, CA 945961164419149
  8. Bach-Kim Nguyen, O.D.Walnut Creek, CA 945961942235734

Common questions

What is Michael A. Roy, O D INC's NPI number?

Michael A. Roy, O D INC's National Provider Identifier (NPI) is 1770577892, issued on Sep 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael A. Roy, O D INC located?

The NPPES record lists a practice address at 675 Ygnacio Valley RD, Walnut Creek, CA, 94596. Phone: (925) 933-4700. Providers update this record themselves, so call before visiting.

How can I verify Michael A. Roy, O D INC's license?

NPPES lists California license number 5326T, 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.