Doctor profile · Federal record

Dr. MATTHEW WALKER, DNP, APRN, CNP

Psychiatric/Mental Health Nurse Practitioner (CMS: NURSE PRACTITIONER) · Psychiatric/Mental Health Nurse Practitioner · QUINCY, IL

  • NPI 1588186928
  • Accepts Medicare
  • 9 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1025 MAINE ST
QUINCY, IL 623014096
(217) 222-6550

Credentials & registration

NPPES · NUCC
NPI registered
July 2017 — 9 yrs on file
Profile last updated
December 8, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State licenses (2)
Illinois #277000395 · Missouri #2017023152

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588186928. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$432
Transactions
33
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 22 $229.51
Neurocrine Biosciences, Inc. 3 $61.23
Otsuka America Pharmaceutical, Inc. 3 $44.40
Alkermes, Inc. 2 $35.81
E.R. Squibb & Sons, L.L.C. 1 $27.70
Axsome Therapeutics, Inc. 1 $18.79
Takeda Pharmaceuticals U.S.A., Inc. 1 $15.02

By nature of payment

Food and Beverage
$405
Education
$28

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
729
Patients
159
Total drug cost
$19,566
Drug Type Claims Patients Total cost
Buspirone Hcl Generic 96 26 $1,455
Trazodone Hcl Generic 73 20 $544
Risperidone Generic 70 15 $545
Aripiprazole Generic 57 13 $6,947
Bupropion Xl (Bupropion Hcl) Brand 55 15 $863
Duloxetine Hcl Generic 49 18 $978
Quetiapine Fumarate Generic 48 16 $655
Fluoxetine Hcl Generic 46 11 $412
Hydroxyzine Pamoate Generic 39 13 $841
Lamotrigine Generic 36 12 $243