Doctor profile · Federal record
Dr. Andrew Williams, M.D.
Child & Adolescent Psychiatry Physician (CMS: Psychiatry) · New Orleans, LA
- NPI 1255479903
- Accepts Medicare
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3450 Chestnut St, 3Rd Floor
New Orleans, LA 701152443
(504) 412-1580
fax (504) 412-1530 - Mailing address
-
1340 Poydras St, Suite 1640
New Orleans, LA 701121221
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- October 17, 2008
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 2084P0804X — NUCC code
- State license (1)
- Louisiana #200420
- Medicaid
- LA #1063151
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255479903. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
339
Distinct HCPCS
4
Medicare allowed
$22,176
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 161 | 12 | $75 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 127 | 14 | $48 | |
99238 |
Hospital discharge day management, 30 minutes or less | 32 | 23 | $76 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 19 | 15 | $80 |
In context: peer comparison
Among 2 peers in New Orleans Child & Adolescent Psychiatry Physician, average services per provider: 61. This provider delivers 5.6× the peer median.Open Payments
Industry payments received
All-time total
$157
Transactions
7
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Teva Pharmaceuticals USA, INC. | 3 | $72.53 | |
| Alkermes, INC. | 3 | $56.19 | |
| Boston Scientific Corporation | 1 | $28.32 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
206
Patients
0
Total drug cost
$3,233
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trazodone Hcl | Generic | 32 | 0 | $203 |
| Sertraline Hcl | Generic | 31 | 0 | $200 |
| Bupropion Xl (Bupropion Hcl) | Brand | 20 | 0 | $333 |
| Duloxetine Hcl | Generic | 16 | 0 | $369 |
| Escitalopram Oxalate | Generic | 16 | 0 | $126 |
| Risperidone | Generic | 16 | 0 | $222 |
| Amitriptyline Hcl | Generic | 13 | 0 | $113 |
| Clonazepam | Generic | 13 | 0 | $116 |
| Clozapine | Generic | 13 | 0 | $580 |
| Gabapentin | Generic | 12 | 0 | $168 |
Frequently asked questions
What is Dr. Andrew Williams's medical specialty?
Dr. Andrew Williams practices Child & Adolescent Psychiatry Physician in New Orleans, LA.
Where does Dr. Andrew Williams practice?
Dr. Andrew Williams practices at 3450 Chestnut St, New Orleans, LA 701152443. Office phone: 5044121580.
What is Dr. Andrew Williams's NPI?
Dr. Andrew Williams's National Provider Identifier (NPI) is 1255479903, issued by NPPES.
Does Dr. Andrew Williams accept Medicare assignment?
Yes. Dr. Andrew Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.