Doctor profile · Federal record
Dr. Allyson Williams, APN
Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Memphis, TN
- NPI 1407115579
- Accepts Medicare
- 15 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1910 Madison Ave # 2628
Memphis, TN 381042620
(901) 352-8994
fax (440) 294-8182 - Mailing address
-
5050 Poplar Avenue Suite 511
Memphis, TN 381570618
Credentials & registration
- NPI registered
- May 2012 — 14 yrs on file
- Profile last updated
- January 13, 2025
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 363LP0808X — NUCC code
- State license (1)
- Tennessee #16644
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407115579. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
452
Distinct HCPCS
6
Medicare allowed
$36,050
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 171 | 47 | $63 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 119 | 46 | $100 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 69 | 41 | $71 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 41 | 31 | $94 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 31 | 16 | $141 | |
80305 |
Testing for presence of drug, read by direct observation | 21 | 16 | $12 |
In context: peer comparison
Among 14 peers in Memphis Psychiatric/Mental Health Nurse Practitioner, average services per provider: 184. This provider delivers 2.5× the peer median.Open Payments
Industry payments received
All-time total
$1,719
Transactions
97
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Vanda Pharmaceuticals INC. | 22 | $520.57 | |
| Abbvie INC. | 19 | $316.36 | |
| Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) | 8 | $161.05 | |
| Tris Pharma INC | 19 | $157.39 | |
| Takeda Pharmaceuticals U.S.A., INC. | 12 | $143.75 | |
| Teva Pharmaceuticals USA, INC. | 3 | $85.94 | |
| Lundbeck LLC | 2 | $56.95 | |
| Otsuka America Pharmaceutical, INC. | 3 | $55.83 | |
| Corium, LLC | 2 | $44.26 | |
| Noven Therapeutics, LLC | 2 | $40.29 | |
| Harmony Biosciences LLC | 1 | $27.59 | |
| Novo Nordisk INC | 1 | $24.96 | |
| Ironshore Pharmaceuticals INC. | 1 | $24.25 | |
| Alkermes, INC. | 1 | $20.80 | |
| Lilly USA, LLC | 1 | $20.65 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
817
Patients
99
Total drug cost
$63,577
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Alprazolam | Generic | 102 | 18 | $1,404 |
| Clonazepam | Generic | 87 | 13 | $846 |
| Lamotrigine | Generic | 81 | 15 | $764 |
| Zolpidem Tartrate | Generic | 75 | 0 | $390 |
| Fluoxetine Hcl | Generic | 73 | 17 | $974 |
| Trazodone Hcl | Generic | 63 | 20 | $1,003 |
| Quetiapine Fumarate | Generic | 60 | 16 | $1,180 |
| Sertraline Hcl | Generic | 43 | 0 | $691 |
| Duloxetine Hcl | Generic | 39 | 0 | $1,189 |
| Lithium Carbonate ER (Lithium Carbonate) | Brand | 38 | 0 | $537 |
Frequently asked questions
What is Dr. Allyson Williams's medical specialty?
Dr. Allyson Williams practices Psychiatric/Mental Health Nurse Practitioner in Memphis, TN.
Where does Dr. Allyson Williams practice?
Dr. Allyson Williams practices at 1910 Madison Ave # 2628, Memphis, TN 381042620. Office phone: 9013528994.
What is Dr. Allyson Williams's NPI?
Dr. Allyson Williams's National Provider Identifier (NPI) is 1407115579, issued by NPPES.
Does Dr. Allyson Williams accept Medicare assignment?
Yes. Dr. Allyson Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allyson Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.