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KATARZYNA SZERLAG MSN, FNP-BC
NPI 1366998270
Nurse Practitioner - Family in Arlington Heights, IL

Active since August 31, 2016PECOS EnrolledAccepts Medicare Assignment
3030 W SALT CREEK LN STE 311, ARLINGTON HEIGHTS, IL 60005(847) 800-7878(224) 330-1210 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 6, 2026, May 2, 2022, Mar 22, 2017 and 1 more (4 updates tracked since 2016).

About Katarzyna Szerlag Msn, Fnp-bc NPPES

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

KATARZYNA SZERLAG MSN, FNP-BC (NPI 1366998270) is an individual family provider in Arlington Heights, Illinois, licensed in Illinois (209014783) and active in the NPI registry since August 2016. She is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2016).

NPPES Registry Identity

NPI1366998270
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKATARZYNA SZERLAGCredential: MSN, FNP-BC
Location Address3030 W SALT CREEK LN STE 311Arlington Heights, IL 60005-1078
Mailing Address3239 Roder StreetChicago, IL 60673-1293 · (773) 620-9984 · Fax (224) 330-1210
Phone(847) 800-7878
Fax(224) 330-1210
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2016
Enumeration DateAugust 31, 2016
Last NPPES UpdateJanuary 6, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2026
✔ NPI 1366998270 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 · 209014783
3030 W SALT CREEK LN STE 311, Arlington Heights, IL 60005
Open in Google Maps ↗

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

Katarzyna Szerlag Msn, Fnp-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 ID7315227030
PECOS Enrollment IDI20161214001862
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 Reassignments

5

Medicare enrollment records show Katarzyna Szerlag reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advance Integrative Medicine Corporation
Same address
Sports Physician
3030 W SALT CREEK LN STE 311
Arlington Heights, IL 60005
  • Reassigned Medicare billing, Illinois enrollment
  • 5 clinicians in this Medicare group
NPI 1194528141 (224) 857-8999
Physicians Immediate Care North Chicago LLC
17 mi
Urgent Care
4211 N CICERO AVE, SUITE 100
Chicago, IL 60641
  • Reassigned Medicare billing, Illinois enrollment
  • 366 clinicians in this Medicare group
NPI 1205814118 (815) 713-2738
Primary Health Care LLC
21 mi
Primary Care
1355 E OGDEN AVE, STE 109
Naperville, IL 60563
  • Reassigned Medicare billing, Illinois enrollment
  • 16 clinicians in this Medicare group
NPI 1346953767 (630) 555-1212
Urgent Medical Care LLC
21 mi
Urgent Care
1355 E OGDEN AVE, STE 109
Naperville, IL 60563
  • Reassigned Medicare billing, Illinois enrollment
  • 16 clinicians in this Medicare group
NPI 1437862851 (630) 984-9480
Wellnow Urgent Care, PC
605 mi
Urgent Care
7375 OSWEGO RD, SUITE1
Liverpool, NY 13090
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Wellnow Urgent Care, P.C.
  • 195 clinicians in this Medicare group
NPI 1669825162 (716) 699-9032

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
38 services24 patients

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 6

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

COLLEEN HILE D.C.
Chiropractor
3030 W SALT CREEK LN STE 311
ARLINGTON HEIGHTS, IL 60005
Cook County (224) 857-8999
ADVANCE INTEGRATIVE MEDICINE CORPORATION
Chiropractor (Sports Physician)
3030 W SALT CREEK LN STE 311
ARLINGTON HEIGHTS, IL 60005
Cook County (224) 857-8999
NATALIA PECAK
Massage Therapist
3030 W SALT CREEK LN STE 311
ARLINGTON HEIGHTS, IL 60005
Cook County (224) 857-8999
INNERGLOW CLINIC, PLLC
Nurse Practitioner (Family)
3030 W SALT CREEK LN STE 311
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 800-7878
DR. ZACHARY DEVERE SERVEN DC
Chiropractor
3030 W SALT CREEK LN STE 311
ARLINGTON HEIGHTS, IL 60005
Cook County (810) 516-3235
DEBORAH KNOLL LMT
Massage Therapist
3030 W SALT CREEK LN STE 311
ARLINGTON HEIGHTS, IL 60005
Cook County (224) 857-8999

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 Katarzyna Szerlag's NPI number?

The NPI number for Katarzyna Szerlag is 1366998270. It was assigned to this individual provider in the NPPES registry on August 31, 2016.

Where is Katarzyna Szerlag located?

Katarzyna Szerlag practices at 3030 W Salt Creek Ln Ste 311, Arlington Heights, IL 60005. The listed phone number is (847) 800-7878.

What is Katarzyna Szerlag's specialty?

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

Is Katarzyna Szerlag enrolled in Medicare?

Yes. Katarzyna Szerlag 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 organizations bill Medicare for Katarzyna Szerlag's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katarzyna Szerlag reassigns Medicare benefits to 5 organizations: Advance Integrative Medicine Corporation (Arlington Heights, IL), Physicians Immediate Care North Chicago LLC (Chicago, IL), Primary Health Care LLC (Naperville, IL), Urgent Medical Care LLC (Naperville, IL) and Wellnow Urgent Care, PC (Liverpool, NY). Each 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 Katarzyna Szerlag's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katarzyna Szerlag was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.