Albert Chang, MD
NPI 1790984805 · Gastroenterology Physician · Redlands, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Albert Chang, MD is a Gastroenterology Physician provider in Redlands, CA (NPI 1790984805).
Provider details
- NPI number
- 1790984805
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A78996 (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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 150 | 66 |
| Carvedilol | 49 | 17 |
| Omeprazole | 48 | 21 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 40 | 40 |
| Mesalamine | 37 | 14 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 33 | — |
| Rifaximinbrand: Xifaxan | 31 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-18
- Last updated
- 2022-02-11
Frequently asked questions
- What is Albert Chang's NPI number?
- Albert Chang's National Provider Identifier (NPI) is 1790984805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Albert Chang's specialty?
- Albert Chang is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Albert Chang located?
- Albert Chang's practice location on file with NPPES is 10408 Industrial Cir, Redlands, CA 92374-4548.
- What is Albert Chang's phone number?
- The practice phone number listed in the NPPES registry for Albert Chang is (909) 796-0363.
- Does Albert Chang accept Medicare?
- Albert Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Albert Chang's NPI active?
- Yes — Albert Chang's NPI (1790984805) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.