Registry data as of Aug 27, 2026

Stephanie Chan, OD

Optometrist · Walnut Creek, CA

Stephanie Chan, OD is an optometrist with a practice address in Walnut Creek, California, and NPI 1689635542, issued on Mar 30, 2006. Check the license 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1689635542
Name
Stephanie Chan
Credential
OD
Primary taxonomy
Optometrist 152W00000X
Practice location
675 Ygnacio Valley RD, Walnut Creek, CA 94596
Phone
(925) 933-4700
Enumerated
Mar 30, 2006
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. Ming Fang, MDGastroenterology Physician1366520199
  3. Jonathan Geleris, D.D.S.General Practice Dentistry1043686850
  4. Nicholas Hyde, MDPhlebology Physician1255511788
  5. Maridez Jenkins, F.N.P.Family Nurse Practitioner1245570266
  6. Jason Massa, D.O.Neurology Physician1841636156

Verify Stephanie Chan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Optometrist providers in California

There are 8,156 optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8,156 in California → Every provider in Walnut Creek →

Other optometrist records in California

  1. Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
  2. Saloumeh Abadi, ODSanta Monica, CA1699258756
  3. Davoud AbbasiFillmore, CA1902361678
  4. Christopher Abbott, O.D.Santee, CA1417936220
  5. Sara Abboud, ODAlbany, CA1649052846
  6. Ghezal Abdali, O.D.Tustin, CA1770688640
  7. Nahid Abdali, O.D.San Ramon, CA1700210242
  8. Yasmeen AbdelfattahIrvine, CA1417786617
  9. Marina Abdou, ODUpland, CA1356017321
  10. Angela Abe, OPTModesto, CA1336108885

Common questions

What is Stephanie Chan, OD's NPI number?

Stephanie Chan, OD's National Provider Identifier (NPI) is 1689635542, issued on Mar 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Chan, OD 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 Stephanie Chan, OD's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.