Doctor profile · Federal record
Dr. Alton Williams, M.D.
Psychiatry Physician (CMS: Psychiatry) · Charleston, SC
- NPI 1396150751
- Accepts Medicare
- 12 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
169 Ashley Ave, Room 202 Main Hospital, Msc333
Charleston, SC 294258914
(843) 792-0192 - Additional location
-
205 South Front Street, 5Th Floor Bma
Harrisburg, PA 171041619
(717) 231-8360
fax (717) 231-8358
Credentials & registration
- NPI registered
- June 2014 — 12 yrs on file
- Profile last updated
- February 9, 2021
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- South Carolina #37222
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396150751. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
43
Distinct HCPCS
2
Medicare allowed
$5,167
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90792 |
Psychiatric diagnostic evaluation with medical services | 24 | 23 | $166 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 15 | $63 |
In context: peer comparison
Among 29 peers in Charleston Psychiatry Physician, average services per provider: 107. This provider delivers 0.4× the peer median.Open Payments
Industry payments received
All-time total
$29
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Otsuka America Pharmaceutical, INC. | 1 | $28.96 |
By nature of payment
Frequently asked questions
What is Dr. Alton Williams's medical specialty?
Dr. Alton Williams practices Psychiatry Physician in Charleston, SC.
Where does Dr. Alton Williams practice?
Dr. Alton Williams practices at 169 Ashley Ave, Charleston, SC 294258914. Office phone: 8437920192.
What is Dr. Alton Williams's NPI?
Dr. Alton Williams's National Provider Identifier (NPI) is 1396150751, issued by NPPES.
Does Dr. Alton Williams accept Medicare assignment?
Yes. Dr. Alton Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alton Williams commonly perform?
Top Medicare-reported procedures in 2023: Psychiatric diagnostic evaluation with medical services (HCPCS 90792); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.