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LING TSENG YEN OD OPTOMETRIST
NPI 1972520518
Optometrist in Mission Viejo, CA

Active since July 17, 2006PECOS EnrolledAccepts Medicare Assignment
23781 MAQUINA, MISSION VIEJO, CA 92691(888) 988-2800 Get Directions Write a Review

NPPES record last updated: June 8, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 8, 2023, Nov 29, 2021 (2 updates tracked since 2021).

About Ling Tseng Yen Od Optometrist NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LING TSENG YEN OD OPTOMETRIST (NPI 1972520518) is an individual optometrist in Mission Viejo, California, licensed in California (12187T) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of New England College Of Optometry (2002).

NPPES Registry Identity

NPI1972520518
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameLING TSENG YENCredential: OD OPTOMETRIST
Location Address23781 MAQUINAMission Viejo, CA 92691-2765
Mailing Address23781 MaquinaMission Viejo, CA 92691-2765 · (888) 988-2800
Phone(888) 988-2800
Sole ProprietorNo
Medical School CMSNew England College Of OptometryGraduated 2002
Enumeration DateJuly 17, 2006
Last NPPES UpdateJune 8, 20232 updates tracked since enumeration
NPPES CertifiedJune 8, 2023
✔ NPI 1972520518 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · 12187T
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
23781 MAQUINA, Mission Viejo, CA 92691
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ling Tseng Yen Od Optometrist is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4789603192
PECOS Enrollment IDI20051115000777
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. AMY TRAN BUENROSTRO PHARM.D.
Pharmacist
23781 MAQUINA
MISSION VIEJO, CA 92691
Orange County (949) 455-4242
PEARL PARK
Pharmacist
23781 MAQUINA
MISSION VIEJO, CA 92691
Orange County (562) 277-0348
DAO QUAN PHARM D
Pharmacist
23781 MAQUINA
MISSION VIEJO, CA 92691
Orange County (949) 455-4272
MARY ELIZABETH GAMBOA
Pediatrics
23781 MAQUINA
MISSION VIEJO, CA 92691
Orange County (833) 574-2273
SHERRI LEE MOKUAU
Family Medicine
23781 MAQUINA
MISSION VIEJO, CA 92691
Orange County (888) 988-2800
KAISER FOUNDATION HEALTH PLAN INC
Pharmacy (Community/Retail Pharmacy)
23781 MAQUINA
MISSION VIEJO, CA 92691
Orange County (866) 353-5046
DR. JENNIFER BROOKE GRUMET M.D.
Pediatrics
23781 MAQUINA
MISSION VIEJO, CA 92691
Orange County (213) 445-5824
CLARE ADAMS
Pharmacist (Ambulatory Care)
23781 MAQUINA
MISSION VIEJO, CA 92691
Orange County (949) 455-4272

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ling Yen's NPI number?

The NPI number for Ling Yen is 1972520518. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Ling Yen located?

Ling Yen practices at 23781 Maquina, Mission Viejo, CA 92691. The listed phone number is (888) 988-2800.

What is Ling Yen's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Ling Yen enrolled in Medicare?

Yes. Ling Yen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Ling Yen was last updated on June 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.