NPPES file of Aug 9, 2026

Courtney Anne Zielinski, FNP

Family Nurse Practitioner · Ann Arbor, MI

Courtney Anne Zielinski, FNP is a family nurse practitioner with a practice address in Ann Arbor, Michigan, and NPI 1235711953, issued on Apr 22, 2021. Check the license (Michigan 4704301396, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235711953
Name
Courtney Anne Zielinski
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
4704301396 MI
Self-reported in NPPES; status is on the state search
Practice location
2366 Oak Valley Dr, Ann Arbor, MI 48103
Phone
(877) 227-8823
Enumerated
Apr 22, 2021
Record last updated
Jun 11, 2025
Fax
(313) 578-6393
Medicare enrollment
Enrolled (PECOS I20211123002607); may accept 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 5,356 in Michigan → Look up another NPI →

Also registered at 2366 Oak Valley Dr

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

  1. Shaz Anwar, D.O.Hospice and Palliative Medicine (Internal Medicine) Physician1124415344
  2. Erin Boumansour, ACNPAcute Care Nurse Practitioner1023311057
  3. Tess Carichner, RNRegistered Nurse1184556953
  4. Nicole Hardwick, NPNurse Practitioner1013757087
  5. Tiffany Hornbeck, DNPNurse Practitioner1447878566
  6. Jill Jamieson, FNP-CFamily Nurse Practitioner1891246385

Verify Courtney Anne Zielinski 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 4704301396    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.

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Bills Medicare through one group practice

  1. Northstar Palliative Care IncAnn Arbor, MI

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

Courtney Anne Zielinski among 5,356 family nurse practitioner records in Michigan

Courtney Anne Zielinski, 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 2021, is newer than 62% of them.

  • NPI issued2021 · 62% of these records are older, 29% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2021 · median 2019 among the 3,254 with a school on file
  • Record last updated2025 · 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).

Family Nurse Practitioner providers in Michigan

There are 5,356 family nurse practitioner records in Michigan.

All 5,356 in Michigan → Every provider in Ann Arbor → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Susan Bell, FNP, BCAnn Arbor, MI 481031144478769
  2. Chin Hwa Dahlem, PHD, NP-C, RNAnn Arbor, MI 481031609957745
  3. Megan Eagle, APRN-BC, MSN, FNPAnn Arbor, MI 481031962509539
  4. Jill Jamieson, FNP-CAnn Arbor, MI 481031891246385
  5. Tsui-Sui Kao, APRN, BCAnn Arbor, MI 481031528283512
  6. Anna Ladouce, NPAnn Arbor, MI 481031811388960
  7. Elizabeth Orlowski, NPAnn Arbor, MI 481031457313272
  8. Tansey Rosset, FNPAnn Arbor, MI 481031073734364

Common questions

What is Courtney Anne Zielinski, FNP's NPI number?

Courtney Anne Zielinski, FNP's National Provider Identifier (NPI) is 1235711953, issued on Apr 22, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Courtney Anne Zielinski, FNP located?

The NPPES record lists a practice address at 2366 Oak Valley Dr, Ann Arbor, MI, 48103. Phone: (877) 227-8823. Providers update this record themselves, so call before visiting.

How can I verify Courtney Anne Zielinski, FNP's license?

NPPES lists Michigan license number 4704301396, as entered by the provider. Search the Michigan 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.