NPPES file of Aug 9, 2026

Jeffrey Stanley Duncan, O.D.

Optometrist · Santa Ana, CA

Jeffrey Stanley Duncan, O.D. is an optometrist with a practice address in Santa Ana, California, and NPI 1407846207, issued on Oct 24, 2005. Check the license (California 10884T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1407846207
Name
Jeffrey Stanley Duncan
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
10884T CA
Self-reported in NPPES; status is on the state search
Practice location
3620 S Bristol St, Santa Ana, CA 92704
Phone
(714) 557-7373
Enumerated
Oct 24, 2005
Record last updated
Jul 2, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(714) 557-2390
Medicare enrollment
Enrolled (PECOS I20101013000195); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest optometrist records → All 8,308 in California → Look up another NPI →

Also registered at 3620 S Bristol St

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

  1. Shadi Amin, D.C.Occupational Health Chiropractor1215085477
  2. Alex Bidarian, D.C.Chiropractor1245261999
  3. Raymond ChingDentist1679607279
  4. Manuchehr Darani, M.D.Gastroenterology Physician1588766455
  5. Shireen Dejbakhsh, M.S., D.D.S.General Practice Dentistry1477688828
  6. Randy Fong, D.D.S.General Practice Dentistry1104952803

Verify Jeffrey Stanley Duncan 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 10884T    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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Bills Medicare through one group practice

  1. AA Optometric Group IncSanta Ana, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jeffrey Stanley Duncan among 8,308 optometrist records in California

Jeffrey Stanley Duncan, 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. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated1997 · median 2008 among the 3,573 with a school on file
  • 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).

Optometrist providers in California

There are 8,308 optometrist records in California.

All 8,308 in California → Every provider in Santa Ana → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Patricia Atie, O.D., F.C.O.V.D.Santa Ana, CA 927041255435517
  2. Clara Damian-Santana, O.D.Santa Ana, CA 927041215224241
  3. Diemkhanh Dinhluu, O.D.Santa Ana, CA 927041851496095
  4. Nhan Do, O.D.Santa Ana, CA 927041689805830
  5. Mylinh Duncan, D.O.Santa Ana, CA 927041598755498
  6. Jeffrey Fimreite, ODSanta Ana, CA 927041437253705
  7. Suzann Michaels, O.D.Santa Ana, CA 927041871654855
  8. Anh-Linh Nguyen, ODSanta Ana, CA 927041124016183

Common questions

What is Jeffrey Stanley Duncan, O.D.'s NPI number?

Jeffrey Stanley Duncan, O.D.'s National Provider Identifier (NPI) is 1407846207, issued on Oct 24, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Stanley Duncan, O.D. located?

The NPPES record lists a practice address at 3620 S Bristol St, Santa Ana, CA, 92704. Phone: (714) 557-7373. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Stanley Duncan, O.D.'s license?

NPPES lists California license number 10884T, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.