NPPES file of Aug 9, 2026

Tina Ting-Li Chang, O.D., M.S.

Optometrist · Fremont, CA

Tina Ting-Li Chang, O.D., M.S. is an optometrist with a practice address in Fremont, California, and NPI 1427212497, issued on Jul 17, 2008. Check the license (California OPT 13689 TPA, 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
1427212497
Name
Tina Ting-Li Chang
Credential
O.D., M.S.
Primary taxonomy
Optometrist 152W00000X
License numbers
OPT 13689 TPA CA
TUV007274 NY
1645 AZ
Self-reported in NPPES; status is on the state search
Practice location
596 Boar Cir, Fremont, CA 94539
Phone
(510) 579-6365
Enumerated
Jul 17, 2008
Record last updated
Sep 22, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100104000458); accepts Medicare assignment
Medical or professional school
State University Of New York - State College Optometry, 2008
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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Verify Tina Ting-Li Chang 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 OPT 13689 TPA
    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

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Industry payments in 2024: $97.45

1 payment: food and beverage; the largest payer was Amgen 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. Tina Chang$97.45
  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.

Bills Medicare through one group practice

  1. Crest Optometry, IncSan Jose, CA

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

75 optometrist records list a practice address in Fremont

They are 75 of the 4,749 NPPES records with a practice address in Fremont, and 8,308 optometrist records in California.

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 Tina Ting-Li Chang, O.D., M.S.'s NPI number?

Tina Ting-Li Chang, O.D., M.S.'s National Provider Identifier (NPI) is 1427212497, issued on Jul 17, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Tina Ting-Li Chang, O.D., M.S. located?

The NPPES record lists a practice address at 596 Boar Cir, Fremont, CA, 94539. Phone: (510) 579-6365. Providers update this record themselves, so call before visiting.

How can I verify Tina Ting-Li Chang, O.D., M.S.'s license?

NPPES lists California license number OPT 13689 TPA, 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.

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.