NPPES file of Aug 9, 2026

Concetta Zak, NFP

Family Nurse Practitioner · Mount Prospect, IL

Concetta Zak, NFP is a family nurse practitioner with a practice address in Mount Prospect, Illinois, and NPI 1215196720, issued on Jun 9, 2008. Check the license (Illinois 209004381, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215196720
Name
Concetta Zak
Credential
NFP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209004381 IL
Self-reported in NPPES; status is on the state search
Practice location
1701 East Kensington Road, Mount Prospect, IL 60056
Phone
(866) 825-3227
Enumerated
Jun 9, 2008
Record last updated
Jun 9, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(866) 397-7399
Medicare enrollment
Enrolled (PECOS I20080723000501); 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 family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →

Verify Concetta Zak 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 209004381    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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Bills Medicare through one group practice

  1. Vna Health CareAurora, IL

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

Concetta Zak among 7,639 family nurse practitioner records in Illinois

Concetta Zak, NFP 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 fileYes · 63% of these records are
  • Graduated2002 · median 2018 among the 4,778 with a school on file
  • 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).

20 family nurse practitioner records list a practice address in Mount Prospect

They are 20 of the 431 NPPES records with a practice address in Mount Prospect, and 7,639 family nurse practitioner records in Illinois.

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

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Keysha Askew, MSN FNP-CMt Prospect, IL 600561356945042
  2. Philomina Augustine, FNPMount Prospect, IL 600561447793203
  3. Michelle Brunetti, NPMount Prospect, IL 600561154380608
  4. Susan Chacko, APNMount Prospect, IL 600561568701704
  5. Mohini Ghayal, FNPMount Prospect, IL 600561093315186
  6. Ernestine Koehn, FNP-BCMt Prospect, IL 600561467710046
  7. Jamie LopezMount Prospect, IL 600561336577741
  8. Kristy McDonald, NPMount Prospect, IL 600561861034365

Common questions

What is Concetta Zak, NFP's NPI number?

Concetta Zak, NFP's National Provider Identifier (NPI) is 1215196720, issued on Jun 9, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Concetta Zak, NFP located?

The NPPES record lists a practice address at 1701 East Kensington Road, Mount Prospect, IL, 60056. Phone: (866) 825-3227. Providers update this record themselves, so call before visiting.

How can I verify Concetta Zak, NFP's license?

NPPES lists Illinois license number 209004381, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.