Doctor profile · Federal record
Dr. William Chastant, MD
Gastroenterology Physician (CMS: Gastroenterology) · Student in an Organized Health Care Education/Training Program · Lafayette, LA
- NPI 1770087504
- Accepts Medicare
- 8 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1211 Coolidge Blvd Ste 303
Lafayette, LA 705032636
(372) 326-6973
fax (337) 500-1358 - Additional location
-
2000 Canal St
New Orleans, LA 701123018
(504) 702-3000
Credentials & registration
- NPI registered
- March 2018 — 8 yrs on file
- Profile last updated
- July 29, 2024
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Louisiana #327114
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770087504. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$1,073
Transactions
53
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 17 | $339.53 | |
| Phathom Pharmaceuticals, INC. | 6 | $167.84 | |
| Takeda Pharmaceuticals U.S.A., INC. | 10 | $132.09 | |
| Janssen Biotech, INC. | 1 | $94.42 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 5 | $82.52 | |
| Celgene Corporation | 2 | $41.35 | |
| Aimmune Therapeutics, INC. | 2 | $39.68 | |
| Ardelyx, INC. | 2 | $33.61 | |
| Ironwood Pharmaceuticals, INC | 2 | $31.48 | |
| Cook Medical LLC | 1 | $23.49 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $20.92 | |
| Intercept Pharmaceuticals, INC. | 1 | $17.68 | |
| Qol Medical, LLC | 1 | $17.64 | |
| Madrigal Pharmaceuticals | 1 | $16.19 | |
| Celltrion USA INC. | 1 | $14.57 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
20
Patients
13
Total drug cost
$103
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 20 | 13 | $103 |
Hospital affiliations
Frequently asked questions
What is Dr. William Chastant's medical specialty?
Dr. William Chastant practices Gastroenterology Physician in Lafayette, LA.
Where does Dr. William Chastant practice?
Dr. William Chastant practices at 1211 Coolidge Blvd Ste 303, Lafayette, LA 705032636. Office phone: 3723266973.
What is Dr. William Chastant's NPI?
Dr. William Chastant's National Provider Identifier (NPI) is 1770087504, issued by NPPES.
Does Dr. William Chastant accept Medicare assignment?
Yes. Dr. William Chastant accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.