Doctor profile · Federal record
Dr. Treacy Williams, PMHNP
Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Saint Louis, MO
- NPI 1477184299
- Accepts Medicare
- 7 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3009 N Ballas RD, Dept Psychiatry, Ste 141A
Saint Louis, MO 631312322
(314) 286-1700
fax (314) 627-7225 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- January 2020 — 6 yrs on file
- Profile last updated
- January 5, 2026
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 363LP0808X — NUCC code
- State license (1)
- Missouri #2020002310
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477184299. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
206
Distinct HCPCS
2
Medicare allowed
$22,888
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 179 | 46 | $104 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 27 | 27 | $158 |
In context: peer comparison
Among 20 peers in this city , average services per provider: 134. This provider delivers 1.5× the peer median.Open Payments
Industry payments received
All-time total
$745
Transactions
38
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Teva Pharmaceuticals USA, Inc. | 6 | $121.56 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 5 | $89.95 | |
| Lundbeck LLC | 4 | $81.46 | |
| ABBVIE INC. | 3 | $78.47 | |
| Alkermes, Inc. | 3 | $70.65 | |
| IRONSHORE PHARMACEUTICALS INC. | 3 | $55.22 | |
| Otsuka America Pharmaceutical, Inc. | 3 | $52.96 | |
| Neurocrine Biosciences, Inc. | 2 | $43.00 | |
| Tris Pharma Inc | 2 | $35.84 | |
| Noven Therapeutics, LLC | 2 | $32.63 | |
| Axsome Therapeutics, Inc. | 1 | $21.85 | |
| Neos Therapeutics, LP | 1 | $17.91 | |
| Almatica Pharma LLC | 1 | $15.00 | |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | 1 | $14.47 | |
| Corium, LLC | 1 | $14.39 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
994
Patients
220
Total drug cost
$31,623
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trazodone Hcl | Generic | 143 | 37 | $2,439 |
| Sertraline Hcl | Generic | 107 | 26 | $871 |
| Mirtazapine | Generic | 95 | 24 | $1,383 |
| Duloxetine Hcl | Generic | 92 | 20 | $2,946 |
| Quetiapine Fumarate | Generic | 81 | 11 | $2,628 |
| Bupropion Xl (Bupropion Hcl) | Brand | 69 | 23 | $2,276 |
| Lamotrigine | Generic | 63 | 16 | $1,026 |
| Aripiprazole | Generic | 52 | 14 | $7,621 |
| Olanzapine | Generic | 52 | 0 | $4,790 |
| Buspirone Hcl | Generic | 49 | 13 | $587 |
Frequently asked questions
What is Dr. Treacy Williams's medical specialty?
Dr. Treacy Williams practices Psychiatric/Mental Health Nurse Practitioner in Saint Louis, MO.
Where does Dr. Treacy Williams practice?
Dr. Treacy Williams practices at 3009 N Ballas RD, Saint Louis, MO 631312322. Office phone: 3142861700.
What is Dr. Treacy Williams's NPI?
Dr. Treacy Williams's National Provider Identifier (NPI) is 1477184299, issued by NPPES.
Does Dr. Treacy Williams accept Medicare assignment?
Yes. Dr. Treacy Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Treacy Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.