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DR. YING-JU ANNA CHEN O.D.
NPI 1285864462
Optometrist in El Cajon, CA

Active since July 21, 2009PECOS Enrolled
605 FLETCHER PKWY, EL CAJON, CA 92020(619) 590-1994 Get Directions Write a Review

NPPES record last updated: May 25, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Ying-ju Anna Chen O.d. NPPES

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

DR. YING-JU ANNA CHEN O.D. (NPI 1285864462) is an individual optometrist in El Cajon, California, licensed in California (33872) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285864462
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. YING-JU ANNA CHENCredential: O.D.
Location Address605 FLETCHER PKWYEl Cajon, CA 92020
Mailing Address1080 Park Blvd Unit 1202San Diego, CA 92101-5642 · (619) 590-1994
Phone(619) 590-1994
Sole ProprietorNo
Enumeration DateJuly 21, 2009
Last NPPES UpdateMay 25, 2018
✔ NPI 1285864462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
Licenses✔ Licensed in CA · 33872✔ Licensed in MD · TA2150✔ Licensed in VA · 0618001879
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.
605 FLETCHER PKWY, El Cajon, CA 92020
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ying-ju Anna Chen O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Ying-ju Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dr. Blink
49 mi
Optometrist
MCX BLDG 2010
Camp Pendleton North, CA 92055
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1841781499 (760) 458-4434

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92020 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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 8

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

FAY LUI
Pharmacist
605 FLETCHER PKWY
EL CAJON, CA 92020
San Diego County (619) 440-0848
WALMART INC.
Pharmacy (Community/Retail Pharmacy)
605 FLETCHER PKWY
EL CAJON, CA 92020
San Diego County (619) 440-0848
WALMART STORES, INC.
Eyewear Supplier
605 FLETCHER PKWY
EL CAJON, CA 92020
San Diego County (619) 440-2009
FIRSTSIGHT VISION SERVICES, INC.
Optometrist
605 FLETCHER PKWY
EL CAJON, CA 92020
San Diego County (619) 590-1994
JIM ANDREWS O.D.
Optometrist
605 FLETCHER PKWY
EL CAJON, CA 92020
San Diego County (619) 590-1994
ANN THI KODANI
Pharmacist
605 FLETCHER PKWY
EL CAJON, CA 92020
San Diego County (619) 440-0848
EVERLY JADE NGUYEN PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
605 FLETCHER PKWY
EL CAJON, CA 92020
San Diego County (619) 440-2009
SAIFULDEEN AL BAASHIKI
Pharmacist
605 FLETCHER PKWY
EL CAJON, CA 92020
San Diego County (619) 440-0848

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 Ying-ju Chen's NPI number?

The NPI number for Ying-ju Chen is 1285864462. It was assigned to this individual provider in the NPPES registry on July 21, 2009.

Where is Ying-ju Chen located?

Ying-ju Chen practices at 605 Fletcher Pkwy, El Cajon, CA 92020. The listed phone number is (619) 590-1994.

What is Ying-ju Chen's specialty?

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

Is Ying-ju Chen enrolled in Medicare?

Yes. Ying-ju Chen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ying-ju Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ying-ju Chen reassigns Medicare benefits to Dr. Blink (Camp Pendleton North, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ying-ju Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ying-ju Chen accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Ying-ju Chen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ying-ju Chen was last updated on May 25, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.