IndividualActive
Alexander Han, MD
NPI 1790967743 · Gastroenterology Physician · Fontana, CA
Provider details
- NPI number
- 1790967743
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A102857 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Practice location
9961 Sierra Ave
Fontana, CA 92335-6720
Phone: (909) 427-5000
Approximate (ZIP-level) locationGet directions
Mailing address
250 N College Park Dr
Upland, CA 91786-8883
Registry dates
- Enumerated
- 2007-12-01
- Last updated
- 2021-11-30
- Certified
- 2021-11-30
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.