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Edit this profileAt a glance
- 8418 N 123Rd East Ave, Owasso, OK 74055
About Ilona Willyard
Listed in the NPI registry as a nurse practitioner, Ilona Willyard, PMHNP-BC practices in Owasso, OK. Ilona is also listed as specializing in nurse practitioner — psychiatric/mental health. According to Medicare claims data, the services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and psychiatric diagnostic evaluation with medical services. NPI 1154687697 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (918) 858-4353
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
8418 N 123RD EAST AVE
Owasso, OK 74055
Procedures Most Often Billed to Medicare
56 services · 22 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
11 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
45 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other nurse practitioners in Owasso 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2023 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychiatric diagnostic evaluation with medical services 8
Providers in OK who bill this service to Medicare most often.
Common questions
What is Ilona Willyard's specialty?
Ilona Willyard is a nurse practitioner in Owasso, OK. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Ilona Willyard?
Ilona Willyard is listed at 8418 N 123Rd East Ave, Owasso, OK 74055. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Ilona Willyard?
The number on file is (918) 858-4353. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Ilona Willyard?
Ilona Willyard's National Provider Identifier is 1154687697. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Ilona Willyard's education?
Ilona Willyard attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Ilona Willyard have?
Ilona Willyard has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What is Ilona Willyard known for?
According to Medicare billing data, Ilona Willyard provides treatments such as psychiatric diagnostic evaluation with medical services, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Ilona Willyard's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ilona Willyard. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.