Doctor profile · Federal record
Dr. Kathy Williams, MD
Gastroenterology Physician (CMS: Gastroenterology) · Transplant Hepatology Physician · Student in an Organized Health Care Education/Training Program · Charleston, SC
- NPI 1811491954
- Accepts Medicare
- 8 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
171 Ashley Ave
Charleston, SC 294253098
(843) 792-1414 - Mailing address
-
Po Box 751461
Charlotte, NC 282751461
Credentials & registration
- NPI registered
- March 2018 — 8 yrs on file
- Profile last updated
- July 9, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- South Carolina #MD94636 · Pennsylvania #MT222176
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811491954. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$2,234
Transactions
22
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Exact Sciences Corporation | 10 | $1,166.48 | |
| Janssen Scientific Affairs, LLC | 3 | $398.88 | |
| CONMED Corporation | 2 | $340.00 | |
| Gilead Sciences, Inc. | 1 | $124.99 | |
| Janssen Biotech, Inc. | 1 | $115.13 | |
| ABBVIE INC. | 3 | $53.20 | |
| Regeneron Healthcare Solutions, Inc. | 1 | $18.63 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $17.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$97
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 11 | 0 | $97 |
Frequently asked questions
What is Dr. Kathy Williams's medical specialty?
Dr. Kathy Williams practices Gastroenterology Physician in Charleston, SC.
Where does Dr. Kathy Williams practice?
Dr. Kathy Williams practices at 171 Ashley Ave, Charleston, SC 294253098. Office phone: 8437921414.
What is Dr. Kathy Williams's NPI?
Dr. Kathy Williams's National Provider Identifier (NPI) is 1811491954, issued by NPPES.
Does Dr. Kathy Williams accept Medicare assignment?
Yes. Dr. Kathy Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.