NPPES file of Aug 9, 2026

Marikay Fitzpatrick, FAMILY MEDICINE NP

Nurse Practitioner · Downers Grove, IL

Marikay Fitzpatrick, FAMILY MEDICINE NP is a nurse practitioner with a practice address in Downers Grove, Illinois, and NPI 1336193002, issued on May 19, 2006. Check the license (Illinois 209-000983, 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
1336193002
Name
Marikay Fitzpatrick
Credential
FAMILY MEDICINE NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209-000983 IL
Self-reported in NPPES; status is on the state search
Practice location
1441 Branding Ave Ste 310, Downers Grove, IL 60515
Phone
(630) 829-1038
Enumerated
May 19, 2006
Record last updated
Jun 27, 2022
Fax
(630) 829-1080
Medicare enrollment
Enrolled (PECOS I20100505000157); 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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8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →

Also registered at 1441 Branding Ave Ste 310

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

  1. Patricia Austermuehle, RNFamily Nurse Practitioner1972696136
  2. Mary Baker, FNPFamily Nurse Practitioner1942626577
  3. Joanna Bansfield, FNP-BCFamily Nurse Practitioner1992216816
  4. Dana Beyers, CNPFamily Nurse Practitioner1255664447
  5. Christine Bonavolante, LCSWClinical Social Worker1235292210
  6. Emily Clarke, APRNNurse Practitioner1154065167

Verify Marikay Fitzpatrick 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 209-000983    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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56% fewer Medicare Part D claims than the average nurse practitioner in 2024

486 Medicare Part D claims for 85 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 33 claims were for opioids.

  1. Marikay Fitzpatrick486
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium34 claims
  2. Potassium Chloride32 claims
  3. Hydrocodone-Acetaminophen18 claims
  4. Metoprolol Tartrate18 claims
  5. Amlodipine Besylate17 claims
  6. Gabapentin17 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. Advocate Health And Hospitals CorporationBuffalo Grove, IL

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

Marikay Fitzpatrick among 4,892 nurse practitioner records in Illinois

Marikay Fitzpatrick, FAMILY MEDICINE NP is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 89% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2000 · median 2018 among the 3,389 with a school on file
  • Record last updated2022 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

52 nurse practitioner records list a practice address in Downers Grove

They are 52 of the 1,899 NPPES records with a practice address in Downers Grove, and 4,892 nurse practitioner records in Illinois.

All 4,892 in Illinois → Every provider in Downers Grove → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Crystal Cowan, FNP-BCDowners Grove, IL 605151609011261
  2. Maddalena Deneufbourg, CNPDowners Grove, IL 605151952461972
  3. Katrina Escarilla, R.N., A.P.N.,C.N.P.Downers Grove, IL 605151689881518
  4. Victoria Kelly, APRNDowners Grove, IL 605151255324513
  5. Karen Knox, APNDowners Grove, IL 605151083796270
  6. Patricia May, NPDowners Grove, IL 605151821016213
  7. Kathy O'Grady, NPDowners Grove, IL 605151942235908
  8. Candy Schilf, N.P.Downers Grove, IL 605151316940737

Common questions

What is Marikay Fitzpatrick, FAMILY MEDICINE NP's NPI number?

Marikay Fitzpatrick, FAMILY MEDICINE NP's National Provider Identifier (NPI) is 1336193002, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marikay Fitzpatrick, FAMILY MEDICINE NP located?

The NPPES record lists a practice address at 1441 Branding Ave Ste 310, Downers Grove, IL, 60515. Phone: (630) 829-1038. Providers update this record themselves, so call before visiting.

How can I verify Marikay Fitzpatrick, FAMILY MEDICINE NP's license?

NPPES lists Illinois license number 209-000983, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Marikay Fitzpatrick, FAMILY MEDICINE NP prescribe under Medicare Part D?

In 2024, Marikay Fitzpatrick, FAMILY MEDICINE NP had 486 Medicare Part D claims for 85 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.

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.