NPPES file of Aug 9, 2026

Kathryn Irene Idzikowski, FNP

Family Nurse Practitioner · Warren, MI

Kathryn Irene Idzikowski, FNP is a family nurse practitioner with a practice address in Warren, Michigan, and NPI 1578004941, issued on Mar 17, 2017. Check the license (Michigan 4704280994, as entered in NPPES) with the Michigan 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
1578004941
Name
Kathryn Irene Idzikowski
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
4704280994 MI
Self-reported in NPPES; status is on the state search
Practice location
11800 E 12 Mile RD, Warren, MI 48093
Phone
(586) 573-5059
Enumerated
Mar 17, 2017
Record last updated
Jul 19, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170608002249); 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.
Download card Updates feed

Also registered at 11800 E 12 Mile RD

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

  1. Maya Abdoullahi, PA-CPhysician Assistant1477416683
  2. Isaac AbulatanStudent in an Organized Health Care Education/Training Program1881441103
  3. Charles Adams, DOStudent in an Organized Health Care Education/Training Program1689422040
  4. Zachary Adkins, MDSurgery Physician1821671835
  5. Jannate AhmedStudent in an Organized Health Care Education/Training Program1811834492
  6. Elizabeth Ajlouni, M.D.Therapeutic Radiology Physician1720304918

Verify Kathryn Irene Idzikowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704280994
    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 Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

84% fewer Medicare Part D claims than the average family nurse practitioner in 2024

209 Medicare Part D claims for 159 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Kathryn Idzikowski209
  2. Specialty average1,305

Most prescribed

  1. Azithromycin34 claims
  2. Amoxicillin-Clavulanate Potass30 claims
  3. Doxycycline Hyclate19 claims
  4. Cephalexin18 claims
  5. Methylprednisolone18 claims
  6. Ofloxacin14 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 one group practice

  1. Blue Water Urgent Care PLLCFort Gratiot, MI

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

Kathryn Irene Idzikowski among 5,356 family nurse practitioner records in Michigan

Kathryn Irene Idzikowski, FNP is one of 5,356 family nurse practitioner records with a practice address in Michigan. 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 2017, is newer than 34% of them.

  • NPI issued2017 · 34% of these records are older, 60% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2016 · median 2019 among the 3,254 with a school on file
  • Record last updated2018 · 40% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

56 family nurse practitioner records list a practice address in Warren

They are 56 of the 2,799 NPPES records with a practice address in Warren, and 5,356 family nurse practitioner records in Michigan.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sharon Doxen, APNWarren, MI 480931407905789
  2. Ogechi Enyioko, FNPWarren, MI 480931285191254
  3. Andrea Gulisano, RN, MSN, APRN-BCWarren, MI 480931497806087
  4. Linda Lackowski, MSN, FNP-CWarren, MI 480931154806354
  5. Allison Leman, RN, FNP-CWarren, MI 480931619300795
  6. Jessica LopiccoloWarren, MI 480931548687312
  7. Wendy Machuta, NURSE PRACTITIONERWarren, MI 480931407104664
  8. Bernadette Mason, FNP-BCWarren, MI 480931194034181

Common questions

What is Kathryn Irene Idzikowski, FNP's NPI number?

Kathryn Irene Idzikowski, FNP's National Provider Identifier (NPI) is 1578004941, issued on Mar 17, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Irene Idzikowski, FNP located?

The NPPES record lists a practice address at 11800 E 12 Mile RD, Warren, MI, 48093. Phone: (586) 573-5059. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Irene Idzikowski, FNP's license?

NPPES lists Michigan license number 4704280994, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Kathryn Irene Idzikowski, FNP prescribe under Medicare Part D?

In 2024, Kathryn Irene Idzikowski, FNP had 209 Medicare Part D claims for 159 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.