TERENCE TSUN-TCHI CHIU MD
NPI 1427083229
Internal Medicine - Gastroenterology in Downey, CA
About Terence Tsun-tchi Chiu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TERENCE TSUN-TCHI CHIU MD (NPI 1427083229) is an individual gastroenterology provider in Downey, California, licensed in California (A61193) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Warren Alpert Medical School Of Brown University (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Terence Tsun-tchi Chiu Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Terence Chiu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bellflower, CA 90706
- Reassigned Medicare billing, California enrollment
- 13,921 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 90242 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.
DOWNEY, CA 90242
DOWNEY, CA 90242
DOWNEY, CA 90242
DOWNEY, CA 90242
DOWNEY, CA 90242
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 Terence Chiu's NPI number?
The NPI number for Terence Chiu is 1427083229. It was assigned to this individual provider in the NPPES registry on July 11, 2006.
Where is Terence Chiu located?
Terence Chiu practices at 9353 Imperial Hwy 2nd Floor, Downey, CA 90242. The listed phone number is (562) 657-4292.
What is Terence Chiu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Terence Chiu enrolled in Medicare?
Yes. Terence Chiu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Terence Chiu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Terence Chiu reassigns Medicare benefits to Southern California Permanente Medical Group (Bellflower, 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 Terence Chiu'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 Terence Chiu was last updated on December 13, 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.
# Terence Tsun-Tchi Chiu, MD · NPI 1427083229
Gastroenterology physician in Downey, California. Individual provider, active in the CMS NPPES registry since July 11, 2006.
## Identity
- **NPI:** 1427083229 (Entity type: Individual)
- **Enumerated:** July 11, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** A61193 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 9353 IMPERIAL HWY, 2ND FLOOR, Downey, CA 90242-2812
- **Phone:** (562) 657-4292 · **Fax:** (562) 657-4255
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1043242555, Bellflower, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Warren Alpert Medical School Of Brown University, class of 1994
## Record status
- **NPPES last updated:** December 13, 2021
- **Other identifiers:** Other 00A611930 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1427083229) · Data from the CMS NPPES public registry.