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ILONA WILLYARD PMHNP-BC
NPI 1154687697
Nurse Practitioner - Psychiatric/Mental Health in Owasso, OK

Active since April 10, 2012PECOS EnrolledAccepts Medicare Assignment
8418 N 123RD EAST AVE, OWASSO, OK 74055(918) 858-4353 Get Directions Write a Review

NPPES record last updated: February 4, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 4, 2025, Mar 4, 2024 (2 updates tracked since 2024).

About Ilona Willyard Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ILONA WILLYARD PMHNP-BC (NPI 1154687697) is an individual psychiatric/mental health provider in Owasso, Oklahoma, licensed in Oklahoma (90504) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1154687697
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameILONA WILLYARDCredential: PMHNP-BC
Location Address8418 N 123RD EAST AVEOwasso, OK 74055-2139
Mailing Address8418 N 123rd East AveOwasso, OK 74055-2139 · (918) 858-4353
Phone(918) 858-4353
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateApril 10, 2012
Last NPPES UpdateFebruary 4, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2025
✔ NPI 1154687697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in OK · 90504
8418 N 123RD EAST AVE, Owasso, OK 74055
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, Medica, Mending Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ilona Willyard Pmhnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284088766
PECOS Enrollment IDI20231003000560
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
45 services11 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74055 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. CURTIS CEASAR MARTINEZ PA
Physician Assistant
8418 N 123RD EAST AVE
OWASSO, OK 74055
Tulsa County (918) 858-4353
PINE RIDGE MENTAL HEALTHCARE, LLC
Psychiatry & Neurology (Psychiatry)
8418 N 123RD EAST AVE
OWASSO, OK 74055
Tulsa County (918) 858-4353
MRS. KELSEY MICHELLE HAYNES
Physician Assistant
8418 N 123RD EAST AVE
OWASSO, OK 74055
Tulsa County (918) 858-4353
WANJIRU LANDERS
Physician Assistant
8418 N 123RD EAST AVE
OWASSO, OK 74055
Tulsa County (918) 858-4353

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ilona Willyard's NPI number?

The NPI number for Ilona Willyard is 1154687697. It was assigned to this individual provider in the NPPES registry on April 10, 2012.

Where is Ilona Willyard located?

Ilona Willyard practices at 8418 N 123rd East Ave, Owasso, OK 74055. The listed phone number is (918) 858-4353.

What is Ilona Willyard's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Ilona Willyard enrolled in Medicare?

Yes. Ilona Willyard is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Ilona Willyard accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, Medica, Mending Health, Oscar Insurance Company and UnitedHealthcare list Ilona Willyard as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ilona Willyard was last updated on February 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.