DR. ESTHER SOON AN M.D.
NPI 1407056617
Pediatrics in Torrance, CA
About Dr. Esther Soon An M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ESTHER SOON AN M.D. (NPI 1407056617) is an individual pediatrics provider in Torrance, California, licensed in California (A102477) and active in the NPI registry since July 2007. 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 Soon An M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Esther An reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Torrance, CA 90502
- Reassigned Medicare billing, California enrollment
- 1,939 clinicians in this Medicare group
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 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 90502 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.
TORRANCE, CA 90502
TORRANCE, CA 90502
TORRANCE, CA 90502
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 An's NPI number?
The NPI number for Esther An is 1407056617. It was assigned to this individual provider in the NPPES registry on July 25, 2007.
Where is Esther An located?
Esther An practices at 1000 W Carson St Box 17, Torrance, CA 90502. The listed phone number is (310) 222-1811.
What is Esther An's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Esther An enrolled in Medicare?
Yes. Esther An is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Esther An's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Esther An reassigns Medicare benefits to 2 organizations: County Of Los Angeles (Torrance, CA) and Permanente Medical Group Inc (Santa Clara, CA). Each 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 An'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 An was last updated on December 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.