Doctor profile · Federal record

Dr. Ilona Willyard, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Owasso, OK

  • NPI 1154687697
  • Accepts Medicare
  • 3 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8418 N 123Rd East Ave
Owasso, OK 740552139
(918) 858-4353

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
February 4, 2025
Year of graduation
2023 — 3 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Oklahoma #90504

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154687697. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$802
Transactions
43
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Alkermes, INC. 7 $137.25
Janssen Pharmaceuticals, INC 10 $133.95
Lundbeck LLC 5 $121.09
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 5 $105.57
Abbvie INC. 5 $98.00
Otsuka America Pharmaceutical, INC. 3 $63.67
Teva Pharmaceuticals USA, INC. 3 $50.50
Supernus Pharmaceuticals, INC. 2 $41.48
Takeda Pharmaceuticals U.S.A., INC. 1 $19.15
Vanda Pharmaceuticals INC. 1 $16.57
Axsome Therapeutics, INC. 1 $14.96

By nature of payment

Food and Beverage
$802

Frequently asked questions

Auto-generated from federal data
What is Dr. Ilona Willyard's medical specialty?
Dr. Ilona Willyard practices Psychiatric/Mental Health Nurse Practitioner in Owasso, OK.
Where does Dr. Ilona Willyard practice?
Dr. Ilona Willyard practices at 8418 N 123Rd East Ave, Owasso, OK 740552139. Office phone: 9188584353.
What is Dr. Ilona Willyard's NPI?
Dr. Ilona Willyard's National Provider Identifier (NPI) is 1154687697, issued by NPPES.
Does Dr. Ilona Willyard accept Medicare assignment?
Yes. Dr. Ilona Willyard accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.