Courtney Zielinski, FNP
NPI 1235711953 · Family Nurse Practitioner · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Courtney Zielinski, FNP is a Family Nurse Practitioner provider in Ann Arbor, MI (NPI 1235711953).
Provider details
- NPI number
- 1235711953
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704301396 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-04-22
- Last updated
- 2025-06-11
- Certified
- 2025-06-11
Frequently asked questions
- What is Courtney Zielinski's NPI number?
- Courtney Zielinski's National Provider Identifier (NPI) is 1235711953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Courtney Zielinski's specialty?
- Courtney Zielinski is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Courtney Zielinski located?
- Courtney Zielinski's practice location on file with NPPES is 2366 Oak Valley Dr, Ann Arbor, MI 48103-8944.
- What is Courtney Zielinski's phone number?
- The practice phone number listed in the NPPES registry for Courtney Zielinski is (877) 227-8823.
- Does Courtney Zielinski accept Medicare?
- Courtney Zielinski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Courtney Zielinski's NPI active?
- Yes — Courtney Zielinski's NPI (1235711953) is active in the NPPES registry as of the last update on 2025-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.