Terence Chiu, MD
NPI 1427083229 · Gastroenterology Physician · Downey, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Terence Chiu, MD is a Gastroenterology Physician provider in Downey, CA (NPI 1427083229).
Provider details
- NPI number
- 1427083229
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A61193 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 401 | 382 |
| Mesalamine | 77 | 22 |
| Omeprazole | 56 | 28 |
| Entecavir | 54 | 16 |
| Carvedilol | 38 | 15 |
| Ustekinumabbrand: Stelara | 27 | — |
| Famotidine | 18 | — |
| Sucralfate | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2021-12-13
Frequently asked questions
- What is Terence Chiu's NPI number?
- Terence Chiu's National Provider Identifier (NPI) is 1427083229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Terence Chiu's specialty?
- Terence Chiu is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Terence Chiu located?
- Terence Chiu's practice location on file with NPPES is 9353 Imperial Hwy, Downey, CA 90242-2812.
- What is Terence Chiu's phone number?
- The practice phone number listed in the NPPES registry for Terence Chiu is (562) 657-4292.
- Does Terence Chiu accept Medicare?
- Terence Chiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Terence Chiu's NPI active?
- Yes — Terence Chiu's NPI (1427083229) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.