DR. ESTHER CHEN O.D.
NPI 1801839402
Optometrist in Los Angeles, CA
About Dr. Esther Chen O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ESTHER CHEN O.D. (NPI 1801839402) is an individual optometrist in Los Angeles, California, licensed in California (OPT 11556T) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Esther Chen O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Esther Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90007
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: St. John's Community Health
- 404 clinicians in this Medicare group
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 90029 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90029
LOS ANGELES, CA 90029
LOS ANGELES, CA 90029
LOS ANGELES, CA 90029
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 Esther Chen's NPI number?
The NPI number for Esther Chen is 1801839402. It was assigned to this individual provider in the NPPES registry on June 13, 2006.
Where is Esther Chen located?
Esther Chen practices at 4618 Fountain Ave, Los Angeles, CA 90029. The listed phone number is (323) 953-7170.
What is Esther Chen's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Esther Chen enrolled in Medicare?
Yes. Esther Chen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Esther Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Esther Chen reassigns Medicare benefits to St. Johns Community Health (Los Angeles, 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 Esther Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Esther Chen was last updated on February 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Esther Chen, O.D. · NPI 1801839402
Optometrist provider in Los Angeles, California. Individual provider, active in the CMS NPPES registry since June 13, 2006.
## Identity
- **NPI:** 1801839402 (Entity type: Individual)
- **Enumerated:** June 13, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT 11556T (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4618 FOUNTAIN AVE, Los Angeles, CA 90029-1977
- **Phone:** (323) 953-7170 · **Fax:** (323) 663-2379
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** St. Johns Community Health (NPI 1073653630, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 25, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1801839402) · Data from the CMS NPPES public registry.