Doctor profile · Federal record

Dr. Alexander Davis, PMHNP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Psychiatric/Mental Health Registered Nurse · Saint Louis, MO

  • NPI 1881289510
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2650 Olive St
Saint Louis, MO 631031489
(314) 371-6500
fax (314) 371-6510
Additional location
11222 Tesson Ferry RD Ste 100
Saint Louis, MO 631236963
(314) 898-0102
fax (314) 842-2552

Credentials & registration

NPPES · NUCC
NPI registered
March 2021 — 5 yrs on file
Profile last updated
October 5, 2022
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Missouri #2021004960

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881289510. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$760
Transactions
48
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 15 $209.20
Supernus Pharmaceuticals, INC. 13 $130.82
Alkermes, INC. 4 $82.39
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 4 $74.35
Corium, LLC 3 $71.36
Lundbeck LLC 2 $57.19
Teva Pharmaceuticals USA, INC. 3 $48.86
Otsuka America Pharmaceutical, INC. 2 $43.62
E.R. Squibb & Sons, L.L.C. 1 $26.00
Neurocrine Biosciences, INC. 1 $16.54

By nature of payment

Food and Beverage
$760

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
45
Patients
0
Total drug cost
$392
Drug Type Claims Patients Total cost
Sertraline Hcl Generic 20 0 $123
Quetiapine Fumarate Generic 14 0 $179
Buspirone Hcl Generic 11 0 $90

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Davis's medical specialty?
Dr. Alexander Davis practices Psychiatric/Mental Health Nurse Practitioner in Saint Louis, MO.
Where does Dr. Alexander Davis practice?
Dr. Alexander Davis practices at 2650 Olive St, Saint Louis, MO 631031489. Office phone: 3143716500.
What is Dr. Alexander Davis's NPI?
Dr. Alexander Davis's National Provider Identifier (NPI) is 1881289510, issued by NPPES.
Does Dr. Alexander Davis accept Medicare assignment?
Yes. Dr. Alexander Davis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.