STEPHANIE ONYEFORO
NPI 1942816665
Nurse Practitioner - Psychiatric/Mental Health in Barrington, IL

Q: What is Stephanie Onyeforo's NPI number?

The NPI number for Stephanie Onyeforo is 1942816665. It was assigned to this individual provider in the NPPES registry on September 17, 2020.

Q: What is Stephanie Onyeforo's specialty?

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

Active since September 17, 2020PECOS Enrolled

135 PARK AVE STE LL7, BARRINGTON, IL 60010(815) 717-4705(815) 717-4365 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 14, 2026, Sep 17, 2020 (2 updates tracked since 2020).

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About Stephanie Onyeforo NPPES

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

STEPHANIE ONYEFORO (NPI 1942816665) is an individual psychiatric/mental health provider in Barrington, Illinois, licensed in Illinois (209018176) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1942816665

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameSTEPHANIE ONYEFORO

Location Address135 PARK AVE STE LL7Barrington, IL 60010-4370

Mailing Address135 Park Ave Ste Ll7Barrington, IL 60010-4370 · (815) 717-4705 · Fax (815) 717-4365

Phone(815) 717-4705

Fax(815) 717-4365

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateSeptember 17, 2020

Last NPPES UpdateAugust 14, 20262 updates tracked since enumeration

NPPES CertifiedAugust 14, 2026

✔ NPI 1942816665 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in IL · 209018176

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 209018176 (IL)

135 PARK AVE STE LL7, Barrington, IL 60010

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephanie Onyeforo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719388503

PECOS Enrollment IDI20210630003370

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.

Medicare Billing Reassignment

Medicare enrollment records show Stephanie Onyeforo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Integral Behavioral Health Services

Same address

Psychiatric/Mental Health

135 PARK AVE STE LL7
Barrington, IL 60010

Reassigned Medicare billing, Illinois enrollment

NPI 1023858248 (815) 717-4705

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

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.

53 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60010 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

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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

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

INTEGRAL BEHAVIORAL HEALTH SERVICES

Nurse Practitioner (Psychiatric/Mental Health)

135 PARK AVE STE LL7
BARRINGTON, IL 60010

Cook County (815) 717-4705

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 Stephanie Onyeforo's NPI number?

The NPI number for Stephanie Onyeforo is 1942816665. It was assigned to this individual provider in the NPPES registry on September 17, 2020.

Where is Stephanie Onyeforo located?

Stephanie Onyeforo practices at 135 Park Ave Ste Ll7, Barrington, IL 60010. The listed phone number is (815) 717-4705.

What is Stephanie Onyeforo's specialty?

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

Is Stephanie Onyeforo enrolled in Medicare?

Yes. Stephanie Onyeforo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Stephanie Onyeforo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Onyeforo reassigns Medicare benefits to Integral Behavioral Health Services (Barrington, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephanie Onyeforo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephanie Onyeforo accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Stephanie Onyeforo 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 Stephanie Onyeforo was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.