Doctor profile · Federal record
Dr. Andrew Giap, MD
Gastroenterology Physician (CMS: Gastroenterology) · Anaheim, CA
- NPI 1578634507
- Accepts Medicare
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
441 N Lakeview Ave
Anaheim, CA 928073028
(888) 988-2800
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- November 29, 2021
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A60064
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578634507. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$155
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Cook Medical LLC | 1 | $155.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
282
Patients
210
Total drug cost
$5,689
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 189 | 182 | $4,265 |
| Omeprazole | Generic | 66 | 28 | $744 |
| Pantoprazole Sodium | Generic | 15 | 0 | $220 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 12 | 0 | $460 |
Frequently asked questions
What is Dr. Andrew Giap's medical specialty?
Dr. Andrew Giap practices Gastroenterology Physician in Anaheim, CA.
Where does Dr. Andrew Giap practice?
Dr. Andrew Giap practices at 441 N Lakeview Ave, Anaheim, CA 928073028. Office phone: 8889882800.
What is Dr. Andrew Giap's NPI?
Dr. Andrew Giap's National Provider Identifier (NPI) is 1578634507, issued by NPPES.
Does Dr. Andrew Giap accept Medicare assignment?
Yes. Dr. Andrew Giap accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.