Tammy Chang Shinen, O. D.
Optometrist · Placentia, CA
Tammy Chang Shinen, O. D. is an optometrist with a practice address in Placentia, California, and NPI 1871618470, issued on Mar 20, 2007. Check the license (California 11956T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tammy Chang Shinen
- Credential
- O. D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 11956T CA
Self-reported in NPPES; status is on the state search - Practice location
- 1201 N Rose Dr Ste 100, Placentia, CA 92870
- Phone
- (714) 961-5386
- Enumerated
- Mar 20, 2007
- Record last updated
- Aug 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (714) 464-4166
- Medicare enrollment
- Enrolled (PECOS I20090210000566); accepts Medicare assignment
- Medical or professional school
- Southern College Of Optometry, 2002
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 1201 N Rose Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wynette Augustine, O.D.Optometrist1245205483
- Jeffrey Chen, ODOptometrist1154774719
Verify Tammy Chang Shinen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 11956TCheck 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: $451.97
17 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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
- Nusite OptometryPlacentia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tammy Chang Shinen among 8,308 optometrist records in California
Tammy Chang Shinen, 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
- Graduated2002 · median 2008 among the 3,573 with a school on file
- Record last updated2020 · 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).
12 optometrist records list a practice address in Placentia
They are 12 of the 1,002 NPPES records with a practice address in Placentia, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Placentia → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Wynette Augustine, O.D.Placentia, CA 928701245205483
- Simon Chen, O.D.Placentia, CA 928701982794525
- Jeffrey Chen, ODPlacentia, CA 928701154774719
- Randall Chun, ODPlacentia, CA 928701083669626
- Jennie Chun, ODPlacentia, CA 928701558392985
- Michael Decarlo, O.D.Placentia, CA 928701346327673
- Jeffrey Dougal, ODPlacentia, CA 928701760560130
- Ling Huang, ODPlacentia, CA 928701386825784
Common questions
What is Tammy Chang Shinen, O. D.'s NPI number?
Tammy Chang Shinen, O. D.'s National Provider Identifier (NPI) is 1871618470, issued on Mar 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Tammy Chang Shinen, O. D. located?
The NPPES record lists a practice address at 1201 N Rose Dr Ste 100, Placentia, CA, 92870. Phone: (714) 961-5386. Providers update this record themselves, so call before visiting.
How can I verify Tammy Chang Shinen, O. D.'s license?
NPPES lists California license number 11956T, 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.