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.
- 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
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Tina Ting-Li Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT 13689 TPACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
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
- Crest Optometry, IncSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tina Ting-Li Chang among 8,308 optometrist records in California
Tina Ting-Li Chang, O.D., M.S. 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 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2008 · median 2008 among the 3,573 with a school on file
- Record last updated2009 · 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).
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.
All 8,308 in California → Every provider in Fremont → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jeanne Christine Chang, O.D.Fremont, CA 945391609006261
- Julie Ching, O.D.Fremont, CA 945391760817233
- Harren Chu, O.D.Fremont, CA 945391124043682
- Michael Fauria, O.D.Fremont, CA 945391841344322
- Abby Hsu, O.D.Fremont, CA 945391952724437
- Lily Huynh, O.D.Fremont, CA 945391982982849
- Louise Lee, O.D.Fremont, CA 945391336292374
- Marvin Mah, O.D.Fremont, CA 945391245228402
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.