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SLADE ZAJAC APN-CNP
NPI 1558153197
Nurse Practitioner in Arlington Heights, IL

Active since May 20, 2025PECOS EnrolledAccepts Medicare Assignment
800 W CENTRAL RD, ARLINGTON HEIGHTS, IL 60005(847) 618-1000 Get Directions Write a Review

NPPES record last updated: July 25, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 9, 2025, May 29, 2025, May 20, 2025 (3 updates tracked since 2025).

About Slade Zajac Apn-cnp NPPES

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

SLADE ZAJAC APN-CNP (NPI 1558153197) is an individual nurse practitioner in Arlington Heights, Illinois, licensed in Illinois (209032319) and active in the NPI registry since May 2025. He is enrolled in Medicare PECOS, is affiliated with Northwest Community Hospital 1, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1558153197
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameSLADE ZAJACCredential: APN-CNP
Location Address800 W CENTRAL RDArlington Heights, IL 60005-2349
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 982-3175 · Fax (847) 982-3394
Phone(847) 618-1000
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateMay 20, 2025
Last NPPES UpdateJuly 25, 20253 updates tracked since enumeration
NPPES CertifiedJuly 25, 2025
✔ NPI 1558153197 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in IL · 209032319
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License 209032319 (IL)
800 W CENTRAL RD, Arlington Heights, IL 60005
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Accepted Insurance

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

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

Slade Zajac Apn-cnp 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 ID9436665478
PECOS Enrollment IDI20250717003959
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 Slade Zajac reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Endeavor Health Medical Group
16 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwest Community Hospital 1

Acute Care Hospitals · Arlington Heights, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140252
Location800 W Central RoadArlington Heights, IL 60005 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60005 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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 20

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

DR. ASAD S MEHDI M.D.
Hospitalist
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (877) 635-9229
CHONG H. PAK MD
Hospitalist
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-8400
JOHN A SHANLEY M.D.
Internal Medicine (Critical Care Medicine)
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-4177
KISHEN S. MANGLANI M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-6150
DR. VISHAL S OZA M.D.
Anesthesiology
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-1000
ARIANA DOROSKIN
Physical Therapist
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-1000
RADIATION ONCOLOGY ASSOCIATES, LLC
Radiology (Radiation Oncology)
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-6560
CHARLES NOZICKA DO
Emergency Medicine
800 W CENTRAL RD, NORTHWEST COMMUNITY HOSPITAL
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-2494

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 Slade Zajac's NPI number?

The NPI number for Slade Zajac is 1558153197. It was assigned to this individual provider in the NPPES registry on May 20, 2025.

Where is Slade Zajac located?

Slade Zajac practices at 800 W Central Rd, Arlington Heights, IL 60005. The listed phone number is (847) 618-1000.

What is Slade Zajac's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Slade Zajac enrolled in Medicare?

Yes. Slade Zajac 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.

Which organization bills Medicare for Slade Zajac's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Slade Zajac reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, 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 Slade Zajac's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Slade Zajac accept?

Health plans from Oscar Health and UnitedHealthcare list Slade Zajac 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.

Is Slade Zajac affiliated with any hospitals?

According to CMS data, Slade Zajac is affiliated with Northwest Community Hospital 1.

When was this NPI record last updated?

The NPPES record for Slade Zajac was last updated on July 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.