Doctor profile · Federal record
Dr. Alexander Han, MD
Gastroenterology Physician (CMS: Internal Medicine) · Fontana, CA
- NPI 1790967743
- Accepts Medicare
- 21 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
9961 Sierra Ave
Fontana, CA 923356720
(909) 427-5000 - Mailing address
-
250 N College Park Dr, Apt K36
Upland, CA 917868883
Credentials & registration
- NPI registered
- December 2007 — 19 yrs on file
- Profile last updated
- November 30, 2021
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A102857
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790967743. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$316
Transactions
6
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 6 | $316.33 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
574
Patients
295
Total drug cost
$299,592
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 242 | 229 | $5,250 |
| Omeprazole | Generic | 59 | 24 | $552 |
| Lactulose | Generic | 47 | 0 | $1,442 |
| Pantoprazole Sodium | Generic | 42 | 17 | $581 |
| Lialda (Mesalamine) | Brand | 34 | 13 | $20,056 |
| Furosemide | Generic | 20 | 0 | $253 |
| Budesonide Dr (Budesonide) | Brand | 17 | 0 | $2,219 |
| Spironolactone | Generic | 17 | 0 | $481 |
| Entecavir | Generic | 16 | 0 | $984 |
| Nadolol | Generic | 15 | 0 | $607 |
Frequently asked questions
What is Dr. Alexander Han's medical specialty?
Dr. Alexander Han practices Gastroenterology Physician in Fontana, CA.
Where does Dr. Alexander Han practice?
Dr. Alexander Han practices at 9961 Sierra Ave, Fontana, CA 923356720. Office phone: 9094275000.
What is Dr. Alexander Han's NPI?
Dr. Alexander Han's National Provider Identifier (NPI) is 1790967743, issued by NPPES.
Does Dr. Alexander Han accept Medicare assignment?
Yes. Dr. Alexander Han accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.