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ROBERT SHIH CHAN TSENG D.C.
NPI 1801123120
Chiropractor in Walnut, CA

Active since November 06, 2009
20709 GOLDEN SPRINGS DRIVE, SUITE #105, WALNUT, CA 91789(626) 337-8877(626) 333-7727 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 26, 2026, Jan 16, 2026, Jul 30, 2024 and 7 more (10 updates tracked since 2019).

About Robert Shih Chan Tseng D.c. NPPES

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

ROBERT SHIH CHAN TSENG D.C. (NPI 1801123120) is an individual chiropractor in Walnut, California, licensed in California (DC31407) and active in the NPI registry since November 2009. He maintains 2 additional practice locations and is a graduate of Other (2005).

NPPES Registry Identity

NPI1801123120
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameROBERT SHIH CHAN TSENGCredential: D.C.
Location Address20709 GOLDEN SPRINGS DRIVE, SUITE #105Walnut, CA 91789
Mailing Address20709 Golden Springs Dr Ste 105Walnut, CA 91789-3847 · (626) 337-8877 · Fax (626) 333-7727
Phone(626) 337-8877
Fax(626) 333-7727
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateNovember 6, 2009
Last NPPES UpdateJanuary 26, 202610 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2026
✔ NPI 1801123120 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in CA · DC31407
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
20709 GOLDEN SPRINGS DRIVE, Walnut, CA 91789
Open in Google Maps ↗

Other Names 1

Former Name (1)Robert Tseng D.c

Secondary Practice Locations 2

Location 15480 Philadelphia St Ste CChino, CA 91710-2486 · Phone (626) 540-2050 · Fax (626) 333-7727
Location 218938 Labin Ct Ste A202Rowland Heights, CA 91748-2283 · Phone (626) 274-1271 · Fax (626) 333-7727

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert Shih Chan Tseng D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8527424183
PECOS Enrollment IDI20260520001363

Medicare Billing Reassignment

Medicare enrollment records show Robert Tseng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Robert S. Tseng, Chiropractic Corp.
Same address
Chiropractor
20709 GOLDEN SPRINGS DR STE 105
Walnut, CA 91789
  • Reassigned Medicare billing, California enrollment
NPI 1508134974 (626) 333-8877

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

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 Robert Tseng's NPI number?

The NPI number for Robert Tseng is 1801123120. It was assigned to this individual provider in the NPPES registry on November 6, 2009. The provider is also known as Robert Tseng D.C.

Where is Robert Tseng located?

Robert Tseng practices at 20709 Golden Springs Drive Suite #105, Walnut, CA 91789. The listed phone number is (626) 337-8877.

What is Robert Tseng's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Robert Tseng enrolled in Medicare?

Yes. Robert Tseng is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Tseng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Tseng reassigns Medicare benefits to Robert S. Tseng, Chiropractic Corp. (Walnut, 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 Robert Tseng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Tseng accept?

Health plans from Providence Health Plan list Robert Tseng 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 Robert Tseng was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.