CORI CHRISTINE WIRTH FNP-C
NPI 1275121675
Nurse Practitioner - Family in North Branch, MI
About Cori Christine Wirth Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CORI CHRISTINE WIRTH FNP-C (NPI 1275121675) is an individual family provider in North Branch, Michigan, licensed in Michigan (4703098127) and active in the NPI registry since January 2021. She is enrolled in Medicare PECOS, is affiliated with Mclaren Flint, and is a graduate of University Of Michigan Medical School (2020).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Cori Christine Wirth Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Cori Wirth reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lapeer, MI 48446
- Reassigned Medicare billing, Michigan enrollment
- 6 clinicians in this Medicare group
Lapeer, MI 48446
- Reassigned Medicare billing, Michigan enrollment
- 63 clinicians in this Medicare group
Flint, MI 48507
- Reassigned Medicare billing, Michigan enrollment
- 246 clinicians in this Medicare group
Flint, MI 48532
- Reassigned Medicare billing, Michigan enrollment
- 444 clinicians in this Medicare group
Saginaw, MI 48638
- Reassigned Medicare billing, Michigan enrollment
- 4 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mclaren Flint
Acute Care Hospitals · Flint, MIMclaren Lapeer Region
Acute Care Hospitals · Lapeer, MIMclaren Thumb Region
Critical Access Hospitals · Bad Axe, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48461 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Cori Wirth's NPI number?
The NPI number for Cori Wirth is 1275121675. It was assigned to this individual provider in the NPPES registry on January 2, 2021.
Where is Cori Wirth located?
Cori Wirth practices at 3788 Jefferson Rd, North Branch, MI 48461. The listed phone number is (810) 614-0616.
What is Cori Wirth's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cori Wirth enrolled in Medicare?
Yes. Cori Wirth is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Cori Wirth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cori Wirth reassigns Medicare benefits to 5 organizations: East Michigan Infectious Disease PLLC (Lapeer, MI), Mclaren Lapeer Region (Lapeer, MI), Jawad A Shah, MD PC (Flint, MI), Mclaren Hospital Group (Flint, MI) and Tri-City Treatment Center LLC (Saginaw, 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 Cori Wirth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cori Wirth accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Cori Wirth 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.
Is Cori Wirth affiliated with any hospitals?
According to CMS data, Cori Wirth is affiliated with Mclaren Flint, Mclaren Lapeer Region and Mclaren Thumb Region.
When was this NPI record last updated?
The NPPES record for Cori Wirth was last updated on January 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# Cori Christine Wirth, FNP-C · NPI 1275121675
Family physician in North Branch, Michigan. Individual provider, active in the CMS NPPES registry since January 2, 2021.
## Identity
- **NPI:** 1275121675 (Entity type: Individual)
- **Enumerated:** January 2, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 4703098127 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3788 JEFFERSON RD, North Branch, MI 48461-8982
- **Phone:** (810) 614-0616
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): East Michigan Infectious Disease PLLC (NPI 1346554359, Lapeer, MI); Mclaren Lapeer Region (NPI 1013294735, Lapeer, MI); Jawad A Shah, MD PC (NPI 1942402391, Flint, MI); Mclaren Hospital Group (NPI 1942026174, Flint, MI); Tri-City Treatment Center LLC (NPI 1205484052, Saginaw, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2020
## Record status
- **NPPES last updated:** January 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1275121675) · Data from the CMS NPPES public registry.