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COURTNEY ANNE ZIELINSKI FNP
NPI 1235711953
Nurse Practitioner - Family in Ann Arbor, MI

Active since April 22, 2021PECOS Enrolled
2366 OAK VALLEY DR, ANN ARBOR, MI 48103(877) 227-8823(313) 578-6393 Get Directions Write a Review

NPPES record last updated: June 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 11, 2025, Oct 18, 2021, Oct 17, 2021 and 1 more (4 updates tracked since 2021).

About Courtney Anne Zielinski Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

COURTNEY ANNE ZIELINSKI FNP (NPI 1235711953) is an individual family provider in Ann Arbor, Michigan, licensed in Michigan (4704301396) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1235711953
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCOURTNEY ANNE ZIELINSKICredential: FNP
Location Address2366 OAK VALLEY DRAnn Arbor, MI 48103-8944
Mailing Address6215 Briggs Lake DrBrighton, MI 48116-9564 · (586) 817-0167
Phone(877) 227-8823
Fax(313) 578-6393
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 22, 2021
Last NPPES UpdateJune 11, 20254 updates tracked since enumeration
NPPES CertifiedJune 11, 2025
✔ NPI 1235711953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MI · 4704301396
2366 OAK VALLEY DR, Ann Arbor, MI 48103
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Courtney Anne Zielinski Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3476943978
PECOS Enrollment IDI20211123002607
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Courtney Zielinski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northstar Palliative Care Inc
Same address
Hospice and Palliative Medicine
2366 OAK VALLEY DR
Ann Arbor, MI 48103
  • Reassigned Medicare billing, Michigan enrollment
  • 45 clinicians in this Medicare group
NPI 1033638077 (313) 938-2144
Hospice Care Of Southwest Michigan
93 mi
Hospice Care, Community Based
222 N KALAMAZOO MALL, SUITE 100
Kalamazoo, MI 49007
  • Reassigned Medicare billing, Michigan enrollment
  • 20 clinicians in this Medicare group
NPI 1235197401 (269) 345-0273

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.76 typical visit price
range $58.04 – $177.36
Typical copayment $22.69 (range $14.51 – $44.34)
Most-billed visit code 99203
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. NICOLE JANELLE HARDWICK NP
Nurse Practitioner
2366 OAK VALLEY DR
ANN ARBOR, MI 48103
Washtenaw County (877) 227-8823
ERIN BOUMANSOUR ACNP
Nurse Practitioner (Acute Care)
2366 OAK VALLEY DR
ANN ARBOR, MI 48103
Washtenaw County (877) 227-8823
NORTHSTAR PALLIATIVE CARE INC
Internal Medicine (Hospice and Palliative Medicine)
2366 OAK VALLEY DR
ANN ARBOR, MI 48103
Washtenaw County (313) 938-2144
NICOLE ELLIS SHERWOOD NP
Nurse Practitioner (Family)
2366 OAK VALLEY DR
ANN ARBOR, MI 48103
Washtenaw County (877) 227-8823
KAREN MONTS
Social Worker
2366 OAK VALLEY DR
ANN ARBOR, MI 48103
Washtenaw County (313) 578-6326
CHARONE SEXTON NP
Nurse Practitioner (Family)
2366 OAK VALLEY DR
ANN ARBOR, MI 48103
Washtenaw County (877) 227-8823
NORTHSTAR EVERCARE
Family Medicine
2366 OAK VALLEY DR
ANN ARBOR, MI 48103
Washtenaw County (888) 247-5701
DR. SHAZ SHUJA ANWAR D.O.
Internal Medicine (Hospice and Palliative Medicine)
2366 OAK VALLEY DR
ANN ARBOR, MI 48103
Washtenaw County (877) 227-8823

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Courtney Zielinski's NPI number?

The NPI number for Courtney Zielinski is 1235711953. It was assigned to this individual provider in the NPPES registry on April 22, 2021.

Where is Courtney Zielinski located?

Courtney Zielinski practices at 2366 Oak Valley Dr, Ann Arbor, MI 48103. The listed phone number is (877) 227-8823.

What is Courtney Zielinski's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Courtney Zielinski enrolled in Medicare?

Yes. Courtney Zielinski is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Courtney Zielinski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Courtney Zielinski reassigns Medicare benefits to 2 organizations: Northstar Palliative Care Inc (Ann Arbor, MI) and Hospice Care Of Southwest Michigan (Kalamazoo, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Courtney Zielinski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Courtney Zielinski accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Courtney Zielinski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Courtney Zielinski was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.