Charlotte Mary Niznik, APN
Women's Health Clinical Nurse Specialist · Chicago, IL
Charlotte Mary Niznik, APN is a women's health clinical nurse specialist with a practice address in Chicago, Illinois, and NPI 1598973042, issued on May 18, 2007. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charlotte Mary Niznik
- Credential
- APN
- Primary taxonomy
- Women's Health Clinical Nurse Specialist 364SW0102X
- Practice location
- 645 N Michigan Ave, Chicago, IL 60611
- Phone
- (312) 503-4715
- Enumerated
- May 18, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (312) 908-5564
- Entity
- Type 1 · individual
5 nearest women's health clinical nurse specialist records → All 6 in Illinois → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Charlotte Mary Niznik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Women's Health Clinical Nurse Specialist providers in Illinois
There are 6 women's health clinical nurse specialist records in Illinois.
All 6 in Illinois → Every provider in Chicago → Women's Health Clinical Nurse Specialist nationwide →
The 5 women's health clinical nurse specialist records with the nearest ZIP codes
- Virginia Harms, CNSChicago, IL 606571215148770
- Stephanie Winn, WHNPSandwich, IL 605481194269910
- Jeanne Chupich, APNRockford, IL 611041922369958
- Karen Sasso, CNSSkokie, IL 600761265642466
- Amy Pheiffer, APNPeoria, IL 616141417320854
Common questions
What is Charlotte Mary Niznik, APN's NPI number?
Charlotte Mary Niznik, APN's National Provider Identifier (NPI) is 1598973042, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Charlotte Mary Niznik, APN located?
The NPPES record lists a practice address at 645 N Michigan Ave, Chicago, IL, 60611. Phone: (312) 503-4715. Providers update this record themselves, so call before visiting.
How can I verify Charlotte Mary Niznik, APN's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
What is Charlotte Mary Niznik, APN's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.