Ling Tseng Yen, OD OPTOMETRIST
Optometrist · Mission Viejo, CA
Ling Tseng Yen, OD OPTOMETRIST is an optometrist with a practice address in Mission Viejo, California, and NPI 1972520518, issued on Jul 17, 2006. Check the license (California 12187T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ling Tseng Yen
- Credential
- OD OPTOMETRIST
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 12187T CA
Self-reported in NPPES; status is on the state search - Practice location
- 23781 Maquina, Mission Viejo, CA 92691
- Phone
- (888) 988-2800
- Enumerated
- Jul 17, 2006
- Record last updated
- Jun 8, 2023
- Medicare enrollment
- Enrolled (PECOS I20051115000777); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 2002
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 23781 Maquina
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clare AdamsAmbulatory Care Pharmacist1174995740
- Todd Armbruster, D.O.Family Medicine Physician1487670824
- Amy Buenrostro, PHARM.D.Pharmacist1063763183
- Nika Cyrus, MDDermatology Physician1730526591
- Megan Defuria, MDPediatrics Physician1508492547
- Beverly Gaitan, MDPediatrics Physician1528142593
Verify Ling Tseng Yen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 12187TCheck 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: $249.31
2 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.
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
- Southern California Permanente Medical GroupLa Palma, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ling Tseng Yen among 8,308 optometrist records in California
Ling Tseng Yen, OD OPTOMETRIST 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% 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 updated2023 · 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).
58 optometrist records list a practice address in Mission Viejo
They are 58 of the 2,156 NPPES records with a practice address in Mission Viejo, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Mission Viejo → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Leila Ahmadi, O.D.Mission Viejo, CA 926911962595009
- Atousa Attar, O.D.Mission Viejo, CA 926911689619512
- Diana Ciobanu, O.D.Mission Viejo, CA 926911013002179
- James Dugue, O.D.Mission Viejo, CA 926911659306330
- Kathryn Fallon Mijailovic, O.D.Mission Viejo, CA 926911659436426
- Keith Farson, O.D.Mission Viejo, CA 926911366419798
- Jean Feneis, O.D.Mission Viejo, CA 926911538224308
- Linda Hsieh, O.D.Mission Viejo, CA 926911205846961
Common questions
What is Ling Tseng Yen, OD OPTOMETRIST's NPI number?
Ling Tseng Yen, OD OPTOMETRIST's National Provider Identifier (NPI) is 1972520518, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ling Tseng Yen, OD OPTOMETRIST located?
The NPPES record lists a practice address at 23781 Maquina, Mission Viejo, CA, 92691. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Ling Tseng Yen, OD OPTOMETRIST's license?
NPPES lists California license number 12187T, 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.