DR. ESTHER SOON AN M.D.
NPI 1407056617
Pediatrics in Torrance, CA

Active since July 25, 2007PECOS Enrolled
1000 W CARSON ST, BOX 17, TORRANCE, CA 90502(310) 222-1811(310) 328-0864 Get Directions Write a Review

NPPES record last updated: December 17, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1407056617
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. ESTHER SOON ANCredential: M.D.
Location Address1000 W CARSON ST, BOX 17Torrance, CA 90502-2004
Mailing Address1000 W Carson St, Box 17Torrance, CA 90502-2004 · (310) 222-1811 · Fax (310) 328-0864
Fax(310) 328-0864
Sole ProprietorNo
Enumeration DateJuly 25, 2007
Last NPPES UpdateDecember 17, 2021
✔ NPI 1407056617 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A102477
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
1000 W CARSON ST, Torrance, CA 90502

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).

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 Reassignments

2

Medicare 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.

General Acute Care Hospital
1000 W CARSON ST # 2
Torrance, CA 90502
  • Reassigned Medicare billing, California enrollment
  • 1,939 clinicians in this Medicare group
Internal Medicine
710 LAWRENCE EXPRESSWAY
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.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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 20

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

Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Case Management
1000 W CARSON ST
TORRANCE, CA 90502
Nurse Practitioner (Family)
1000 W CARSON ST, HEAD AND NECK BOX 6
TORRANCE, CA 90502
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Specialist
1000 W CARSON ST
TORRANCE, CA 90502
Registered Nurse (Infusion Therapy)
1000 W CARSON ST
TORRANCE, CA 90502
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Psychiatry & Neurology (Psychiatry)
1000 W CARSON ST
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.