NPPES file of Aug 9, 2026

Katherine Anne Schlesinger, APN

Nurse Practitioner · Rockford, IL

Katherine Anne Schlesinger, APN is a nurse practitioner with a practice address in Rockford, Illinois, and NPI 1821635566, issued on Dec 2, 2019. Check the license (Illinois 209017465, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821635566
Name
Katherine Anne Schlesinger
Credential
APN
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209017465 IL
Self-reported in NPPES; status is on the state search
Practice location
5668 E State St Ste 1000, Rockford, IL 61108
Phone
(815) 229-7580
Enumerated
Dec 2, 2019
Record last updated
Mar 19, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(815) 229-7585
Medicare enrollment
Enrolled (PECOS I20200129000970); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5668 E State St Ste 1000

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paige Burnia, MDSurgical Critical Care Physician1205491859
  2. Noel Kamal, APNFamily Nurse Practitioner1912300369
  3. Amanda Macquoid, MDSurgical Critical Care Physician1194284174

Verify Katherine Anne Schlesinger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209017465
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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95% fewer Medicare Part D claims than the average nurse practitioner in 2024

50 Medicare Part D claims for 21 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Katherine Schlesinger50
  2. Specialty average1,109

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.

Industry payments in 2024: $23.70

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Schlesinger$23.70
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Osf Multi-Specialty GroupRockford, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

129 nurse practitioner records list a practice address in Rockford

They are 129 of the 3,893 NPPES records with a practice address in Rockford, and 4,892 nurse practitioner records in Illinois.

Other nurse practitioner records in Illinois

  1. Janice Abadilla, FNP-BCPeoria, IL1548157175
  2. Philomena AbebePark Ridge, IL1902780174
  3. Milagros Abellera, APNChicago, IL1528076239
  4. Edwina Abloh, APN-CNPSkokie, IL1689314098
  5. Sandra Abraham, CNPDwight, IL1982883245
  6. Sharon Abraham, APN-CNPArlington Heights, IL1396485884
  7. Hazel Acacio, APNPWauconda, IL1205471679
  8. Anthony Aceto, APRN, FNP-CSchaumburg, IL1891302956
  9. Francisco Acevedo, APRN, CNPMokena, IL1467446930
  10. Mina Acevedo, APRNGlenview, IL1972174688

Common questions

What is Katherine Anne Schlesinger, APN's NPI number?

Katherine Anne Schlesinger, APN's National Provider Identifier (NPI) is 1821635566, issued on Dec 2, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Anne Schlesinger, APN located?

The NPPES record lists a practice address at 5668 E State St Ste 1000, Rockford, IL, 61108. Phone: (815) 229-7580. Providers update this record themselves, so call before visiting.

How can I verify Katherine Anne Schlesinger, APN's license?

NPPES lists Illinois license number 209017465, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Anne Schlesinger, APN prescribe under Medicare Part D?

In 2024, Katherine Anne Schlesinger, APN had 50 Medicare Part D claims for 21 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.