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THOMAS J TSOU M.D.
NPI 1316981277
Specialist in Anaheim, CA

Active since June 15, 2006PECOS Enrolled
3400 W BALL RD STE 103, ANAHEIM, CA 92804(714) 827-1212(714) 827-0843 Get Directions Write a Review

NPPES record last updated: August 12, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Thomas J Tsou M.d. NPPES

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

THOMAS J TSOU M.D. (NPI 1316981277) is an individual specialist in Anaheim, California, licensed in California (330872922) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316981277
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameTHOMAS J TSOUCredential: M.D.
Location Address3400 W BALL RD STE 103Anaheim, CA 92804-3735
Mailing Address3400 W Ball Rd Ste 103Anaheim, CA 92804-3735 · (714) 827-1212 · Fax (714) 827-0843
Phone(714) 827-1212
Fax(714) 827-0843
Sole ProprietorYes
Enumeration DateJune 15, 2006
Last NPPES UpdateAugust 12, 2016
✔ NPI 1316981277 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · 330872922
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
3400 W BALL RD STE 103, Anaheim, CA 92804
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Other Identifiers 4

Medicare UPINC01444
Medicare ID-Type UnspecifiedA32927CA
Medicaid00A329270CA
OtherA32927CA · Medical License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas J Tsou 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 Thomas Tsou reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Beach Emergency Medical Associates
7.9 mi
Emergency Medicine
17772 BEACH BLVD
Huntington Beach, CA 92647
  • Reassigned Medicare billing, California enrollment
  • 45 clinicians in this Medicare group
NPI 1013074996 (310) 379-2134
Redondo Emergency Physicians, Inc.
17 mi
Emergency Medicine
1145 W REDONDO BEACH BLVD
Gardena, CA 90247
  • Reassigned Medicare billing, California enrollment
  • 57 clinicians in this Medicare group
NPI 1376834937 (310) 321-0143

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 Thomas Tsou's NPI number?

The NPI number for Thomas Tsou is 1316981277. It was assigned to this individual provider in the NPPES registry on June 15, 2006.

Where is Thomas Tsou located?

Thomas Tsou practices at 3400 W Ball Rd Ste 103, Anaheim, CA 92804. The listed phone number is (714) 827-1212.

What is Thomas Tsou's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Thomas Tsou enrolled in Medicare?

Yes. Thomas Tsou is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Thomas Tsou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Tsou reassigns Medicare benefits to 2 organizations: Beach Emergency Medical Associates (Huntington Beach, CA) and Redondo Emergency Physicians, Inc. (Gardena, 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 Thomas Tsou'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 Thomas Tsou was last updated on August 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.