NPPES file of Aug 9, 2026

Haomin Mai, OD

Optometrist · San Francisco, CA

Haomin Mai, OD is an optometrist with a practice address in San Francisco, California, and NPI 1205672649, issued on Jul 5, 2024. Check the license (California OPT35745, 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
1205672649
Name
Haomin Mai
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
OPT35745 CA
Self-reported in NPPES; status is on the state search
Practice location
4150 Clement St, San Francisco, CA 94121
Phone
(415) 221-4810
Enumerated
Jul 5, 2024
Record last updated
Jul 5, 2024
Medicare enrollment
Enrolled (PECOS I20251020002808); may accept Medicare assignment
Medical or professional school
University Of California - School Of Optometry, 2024
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 4150 Clement St

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

  1. Samantha Abram, BAPsychologist1326540436
  2. Gary Abrams, M.D.Physical Medicine & Rehabilitation Physician1346213246
  3. Anna Abramson, M.D.Internal Medicine Physician1346424785
  4. Alison Acerra, MS, RDRegistered Dietitian1992726848
  5. Sharon AdelsonCounselor1932467271
  6. Gary Agcaoili, C.T.R.SRecreation Therapist1649284019

Verify Haomin Mai 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 OPT35745    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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Haomin Mai among 8,308 optometrist records in California

Haomin Mai, 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 not. Its NPI, issued in 2024, is newer than 94% of them.

  • NPI issued2024 · 94% of these records are older, 4% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2024 · median 2008 among the 3,573 with a school on file
  • Record last updated2024 · 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.

All 8,308 in California → Every provider in San Francisco → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Marta Banh, O.D.San Francisco, CA 941211568717213
  2. Geri Cheng, O.D.San Francisco, CA 941211003959750
  3. Thomas Chong, O.D.San Francisco, CA 941211558351908
  4. Bernard Dolan, O.D.San Francisco, CA 941211912017179
  5. Jimmy Fong, O.D.San Francisco, CA 941211982625042
  6. Heather Jones, O.D.San Francisco, CA 941211437461175
  7. Isabel Kazemi, ODSan Francisco, CA 941211972572980
  8. Bonnie Lau, O.D.San Francisco, CA 941211255563755

Common questions

What is Haomin Mai, OD's NPI number?

Haomin Mai, OD's National Provider Identifier (NPI) is 1205672649, issued on Jul 5, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Haomin Mai, OD located?

The NPPES record lists a practice address at 4150 Clement St, San Francisco, CA, 94121. Phone: (415) 221-4810. Providers update this record themselves, so call before visiting.

How can I verify Haomin Mai, OD's license?

NPPES lists California license number OPT35745, 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.

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.