Doctor profile · Federal record

Dr. Olivier Djoumessi, PMHNP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Psychiatric/Mental Health Nurse Practitioner · Spokane, WA

  • NPI 1568085074
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
522 W Riverside Ave Ste 5391
Spokane, WA 992010580
(817) 230-3994
Mailing address
4402 Longbourn Dr
Mansfield, TX 760632252

Credentials & registration

NPPES · NUCC
NPI registered
May 2020 — 6 yrs on file
Profile last updated
March 12, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State licenses (2)
Texas #146076 · Washington #AP61420571

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568085074. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$940
Transactions
13
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 7 $366.34
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 2 $213.44
Janssen Scientific Affairs, LLC 1 $125.73
Axsome Therapeutics, Inc. 1 $113.42
Teva Pharmaceuticals USA, Inc. 1 $96.70
ABBVIE INC. 1 $24.83

By nature of payment

Food and Beverage
$940

Frequently asked questions

Auto-generated from federal data
What is Dr. Olivier Djoumessi's medical specialty?
Dr. Olivier Djoumessi practices Psychiatric/Mental Health Nurse Practitioner in Spokane, WA.
Where does Dr. Olivier Djoumessi practice?
Dr. Olivier Djoumessi practices at 522 W Riverside Ave Ste 5391, Spokane, WA 992010580. Office phone: 8172303994.
What is Dr. Olivier Djoumessi's NPI?
Dr. Olivier Djoumessi's National Provider Identifier (NPI) is 1568085074, issued by NPPES.
Does Dr. Olivier Djoumessi accept Medicare assignment?
Yes. Dr. Olivier Djoumessi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.