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DR. FARN-HSUAN TSENG MD
NPI 1861953697
Pediatrics in Torrance, CA

Active since March 26, 2019PECOS Enrolled
1000 W CARSON ST, TORRANCE, CA 90502(310) 222-2301 Get Directions Write a Review

NPPES record last updated: January 11, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 11, 2023, Sep 5, 2022 (2 updates tracked since 2022).

About Dr. Farn-hsuan Tseng Md NPPES

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

DR. FARN-HSUAN TSENG MD (NPI 1861953697) is an individual pediatrics provider in Torrance, California, licensed in California (A176794) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861953697
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. FARN-HSUAN TSENGCredential: MD
Location Address1000 W CARSON STTorrance, CA 90502-2004
Mailing Address21311 Madrona Ave Ste 100bTorrance, CA 90503-5970
Phone(310) 222-2301
Sole ProprietorNo
Enumeration DateMarch 26, 2019
Last NPPES UpdateJanuary 11, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 11, 2023
✔ NPI 1861953697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A176794
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1000 W CARSON ST, Torrance, CA 90502
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Farn-hsuan Tseng Md 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 Farn-hsuan Tseng reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
3.0 mi
Health Maintenance Organization
25825 VERMONT AVE
Harbor City, CA 90710
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1598797011 (310) 325-5111
Providence Medical Institute
3.7 mi
Family Medicine
4101 TORRANCE BLVD
Torrance, CA 90503
  • Reassigned Medicare billing, California enrollment
  • 266 clinicians in this Medicare group
NPI 1235182569 (310) 793-8075

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.

MISS BRITTANY IRVINE M.A.
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-2345
DEPAREMENT OF MANTAL HEALTH
Case Management
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-1648
DINA M MEZA
Nurse Practitioner (Family)
1000 W CARSON ST, HEAD AND NECK BOX 6
TORRANCE, CA 90502
Los Angeles County (310) 222-2741
MARIA GUADALUPE VALADEZ
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (559) 789-1327
ESTEBAN COTA
Specialist
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-2345
MS. DAWN MARIE TLUSTY RN
Registered Nurse (Infusion Therapy)
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-1906
DR. NICOLE MOORE MD
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-2345
KENTON YUJI SAKURAI
Psychiatry & Neurology (Psychiatry)
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (424) 306-4000

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 Farn-hsuan Tseng's NPI number?

The NPI number for Farn-hsuan Tseng is 1861953697. It was assigned to this individual provider in the NPPES registry on March 26, 2019.

Where is Farn-hsuan Tseng located?

Farn-hsuan Tseng practices at 1000 W Carson St, Torrance, CA 90502. The listed phone number is (310) 222-2301.

What is Farn-hsuan Tseng's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Farn-hsuan Tseng enrolled in Medicare?

Yes. Farn-hsuan Tseng is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Farn-hsuan Tseng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Farn-hsuan Tseng reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Harbor City, CA) and Providence Medical Institute (Torrance, 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 Farn-hsuan Tseng'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 Farn-hsuan Tseng was last updated on January 11, 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.