NPPES file of Aug 9, 2026

Mai Tang, O.D.

Optometrist · Fullerton, CA

Mai Tang, O.D. is an optometrist with a practice address in Fullerton, California, and NPI 1144365396, issued on Feb 21, 2007. Check the license (California 10595T, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144365396
Name
Mai Tang
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
10595T CA
Self-reported in NPPES; status is on the state search
Practice location
1893 W Malvern Ave, Fullerton, CA 92833
Phone
(714) 925-2552
Enumerated
Feb 21, 2007
Record last updated
Sep 20, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(714) 278-9075
Medicaid ID
SD105952 CA
Medicare enrollment
Enrolled (PECOS I20040602001582); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 1995
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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Also registered at 1893 W Malvern Ave

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

  1. Lisa Chiang, PHARMD.Pharmacist1891080412
  2. Michael Jung, PHARM.D.Pharmacist1356628044
  3. Amir Kativ, PHARM.D.Pharmacist1841587524
  4. Tricia Kawaguchi, O.D.Optometrist1962530709
  5. Maryam Khatami, ODOptometrist1528841210
  6. Florence KimFamily Nurse Practitioner1396122156

Verify Mai Tang 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 10595T
    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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96% fewer Medicare Part D claims than the average optometrist in 2024

11 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. Mai Tang11
  2. Specialty average277

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,678.91

12 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Vision Care, Inc. 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.

  1. Mai Tang$1,678.91
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Mai Tang among 8,308 optometrist records in California

Mai Tang, 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 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 fileYes · 43% of these records are
  • Graduated1995 · 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).

84 optometrist records list a practice address in Fullerton

They are 84 of the 5,437 NPPES records with a practice address in Fullerton, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Vernon Agarth, O.D.Fullerton, CA 928331477618148
  2. Alvin Arellano, O.D.Fullerton, CA 928331538155932
  3. Steven Chiana, O.D.Fullerton, CA 928331780622589
  4. Maria Choi, OPTOMETRY STUDENTFullerton, CA 928331962784314
  5. Chris Hsieh, ODFullerton, CA 928331114553518
  6. Tricia Kawaguchi, O.D.Fullerton, CA 928331962530709
  7. Maryam Khatami, ODFullerton, CA 928331528841210
  8. Sung Kim, O.D.Fullerton, CA 928331598814436

Common questions

What is Mai Tang, O.D.'s NPI number?

Mai Tang, O.D.'s National Provider Identifier (NPI) is 1144365396, issued on Feb 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mai Tang, O.D. located?

The NPPES record lists a practice address at 1893 W Malvern Ave, Fullerton, CA, 92833. Phone: (714) 925-2552. Providers update this record themselves, so call before visiting.

How can I verify Mai Tang, O.D.'s license?

NPPES lists California license number 10595T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Mai Tang, O.D. prescribe under Medicare Part D?

In 2024, Mai Tang, O.D. had 11 Medicare Part D claims; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions 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.