NPPES file of Aug 9, 2026

Debra Lynn Tostovarsnik, APN

Family Nurse Practitioner · Peru, IL

Debra Lynn Tostovarsnik, APN is a family nurse practitioner with a practice address in Peru, Illinois, and NPI 1568633493, issued on Mar 19, 2008. Check the license 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
1568633493
Name
Debra Lynn Tostovarsnik
Credential
APN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
Practice location
925 West St, Peru, IL 61354
Phone
(815) 780-3202
Enumerated
Mar 19, 2008
Record last updated
Mar 19, 2008 (not updated in 18 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →

Also registered at 925 West St

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

  1. Rene Anderes, R.D., L.D.N.Registered Dietitian1801199252
  2. Haleigh Augspols, MS, RD, LDNRegistered Dietitian1174050504
  3. Nathan BowersCertified Registered Nurse Anesthetist1467846493
  4. Matthew Bruno, P.A.Physician Assistant1104854066
  5. Steven Busch, CRNACertified Registered Nurse Anesthetist1740257765
  6. Steven Cullen, M.D.Emergency Medicine Physician1518933860

Verify Debra Lynn Tostovarsnik in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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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99% fewer Medicare Part D claims than the average family nurse practitioner in 2024

17 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Debra Tostovarsnik17
  2. Specialty average1,305

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.

Debra Lynn Tostovarsnik among 7,639 family nurse practitioner records in Illinois

Debra Lynn Tostovarsnik, APN 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 2008, is newer than 8% of them.

  • NPI issued2008 · 8% of these records are older, 91% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2008 · 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).

18 family nurse practitioner records list a practice address in Peru

They are 18 of the 224 NPPES records with a practice address in Peru, and 7,639 family nurse practitioner records in Illinois.

All 7,639 in Illinois → Every provider in Peru → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Jane Battles, APNPeru, IL 613541356658074
  2. Kayla Carlile, FNP-BCPeru, IL 613541841643137
  3. Keith Christensen, APN, FNPPeru, IL 613541255844189
  4. Debra Herz, FNP-BCPeru, IL 613541275842650
  5. Shannon Hiller, APRNPeru, IL 613541003572470
  6. Alisha Jackson, FNPPeru, IL 613541487197745
  7. Angela Longeville, NPPeru, IL 613541548735988
  8. Laura Oberholz, FNPPeru, IL 613541396110490

Common questions

What is Debra Lynn Tostovarsnik, APN's NPI number?

Debra Lynn Tostovarsnik, APN's National Provider Identifier (NPI) is 1568633493, issued on Mar 19, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Debra Lynn Tostovarsnik, APN located?

The NPPES record lists a practice address at 925 West St, Peru, IL, 61354. Phone: (815) 780-3202. Providers update this record themselves, so call before visiting.

How can I verify Debra Lynn Tostovarsnik, APN's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Debra Lynn Tostovarsnik, APN prescribe under Medicare Part D?

In 2024, Debra Lynn Tostovarsnik, APN had 17 Medicare Part D claims; 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.