Katarzyna Szerlag, MSN, FNP-BC
Family Nurse Practitioner · Arlington Heights, IL
Katarzyna Szerlag, MSN, FNP-BC is a family nurse practitioner with a practice address in Arlington Heights, Illinois, and NPI 1366998270, issued on Aug 31, 2016. Check the license (Illinois 209014783, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katarzyna Szerlag
- Credential
- MSN, FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 209014783 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3030 W Salt Creek LN Ste 311, Arlington Heights, IL 60005
- Phone
- (847) 800-7878
- Enumerated
- Aug 31, 2016
- Record last updated
- Jan 6, 2026
- Fax
- (224) 330-1210
- Medicare enrollment
- Enrolled (PECOS I20161214001862); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2016
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 3030 W Salt Creek LN Ste 311
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katarzyna Szerlag in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209014783Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family nurse practitioner in 2024
22 Medicare Part D claims for 12 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Advance Integrative Medicine CorporationArlington Heights, IL
- Physicians Immediate Care North Chicago LLCChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katarzyna Szerlag among 7,639 family nurse practitioner records in Illinois
Katarzyna Szerlag, MSN, FNP-BC is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 30% of them.
- NPI issued2016 · 30% of these records are older, 63% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2018 among the 4,778 with a school on file
- Record last updated2026 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 family nurse practitioner records list a practice address in Arlington Heights
They are 47 of the 2,697 NPPES records with a practice address in Arlington Heights, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Arlington Heights → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Elizabeth Casper, FNPArlington Heights, IL 600051144727603
- Joyce Dawood, APNArlington Heights, IL 600051881023299
- Jennifer Eisenstein, NP-CArlington Heights, IL 600051427364298
- Karla Patricia Estrada, FNP-BC, NP-CArlington Heights, IL 600051063883239
- Kathleen FischerArlington Heights, IL 600051265562607
- Shayna Friedman, APNArlington Hts, IL 600051154728178
- Reena GeorgeArlington Hts, IL 600051649693656
- Haley GlickmanArlington Heights, IL 600051043600190
Common questions
What is Katarzyna Szerlag, MSN, FNP-BC's NPI number?
Katarzyna Szerlag, MSN, FNP-BC's National Provider Identifier (NPI) is 1366998270, issued on Aug 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Katarzyna Szerlag, MSN, FNP-BC located?
The NPPES record lists a practice address at 3030 W Salt Creek LN Ste 311, Arlington Heights, IL, 60005. Phone: (847) 800-7878. Providers update this record themselves, so call before visiting.
How can I verify Katarzyna Szerlag, MSN, FNP-BC's license?
NPPES lists Illinois license number 209014783, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Katarzyna Szerlag, MSN, FNP-BC prescribe under Medicare Part D?
In 2024, Katarzyna Szerlag, MSN, FNP-BC had 22 Medicare Part D claims for 12 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.