TONI STERES FNP-C
NPI 1972975639
Nurse Practitioner - Family in Round Lake Beach, IL

Q: What is Toni Steres's NPI number?

The NPI number for Toni Steres is 1972975639. It was assigned to this individual provider in the NPPES registry on October 21, 2015. The provider is also known as Toni Grossich Aprn.

Q: What is Toni Steres's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Toni Steres was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since October 21, 2015PECOS EnrolledAccepts Medicare Assignment

224 W CLARENDON DR, ROUND LAKE BEACH, IL 60073(847) 377-8800 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 10, 2026, Sep 19, 2019, Jan 2, 2019 (3 updates tracked since 2019).

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About Toni Steres Fnp-c NPPES

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

TONI STERES FNP-C (NPI 1972975639) is an individual family provider in Round Lake Beach, Illinois, licensed in Illinois (277.000089) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Gurnee, and is a graduate of Georgetown University School Of Medicine (2015).

NPPES Registry Identity

NPI1972975639

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameTONI STERESCredential: FNP-C

Location Address224 W CLARENDON DRRound Lake Beach, IL 60073-1896

Mailing Address224 W Clarendon DrRound Lake Beach, IL 60073-1896 · (847) 377-8800 · Fax (847) 984-5619

Phone(847) 377-8800

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 2015

Enumeration DateOctober 21, 2015

Last NPPES UpdateMarch 10, 20263 updates tracked since enumeration

NPPES CertifiedMarch 10, 2026

✔ NPI 1972975639 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in IL · 277.000089

224 W CLARENDON DR, Round Lake Beach, IL 60073

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Other Names 1

Former Name (1)Toni Grossich Aprn

Secondary Practice Location 1

Location 17975 Dada DrGurnee, IL 60031-5181 · Phone (847) 223-6768

Other Identifiers 1

Other277000089IL · License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Toni Steres Fnp-c 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 ID9638479801

PECOS Enrollment IDI20151120000977

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 Toni Steres reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of Lake

Same address

Federally Qualified Health Center (FQHC)

224 W CLARENDON DR
Round Lake Beach, IL 60073

Reassigned Medicare billing, Illinois enrollment
151 clinicians in this Medicare group

NPI 1750310884 (847) 984-5100

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60073 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 6

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

KATELYN BREITENSTEIN FNP

Nurse Practitioner (Family)