COURTNEY LYNN TOPP FNP-BC
NPI 1164990669
Nurse Practitioner - Family in Caro, MI
About Courtney Lynn Topp Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COURTNEY LYNN TOPP FNP-BC (NPI 1164990669) is an individual family provider in Caro, Michigan, licensed in Michigan (4704282883) and active in the NPI registry since November 2018. She is enrolled in Medicare PECOS, is affiliated with Ascension St Mary's Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 3
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
Courtney Lynn Topp Fnp-bc 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
6Medicare enrollment records show Courtney Topp reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Caro, MI 48723
- Reassigned Medicare billing, Michigan enrollment
- 25 clinicians in this Medicare group
Saginaw, MI 48601
- Reassigned Medicare billing, Michigan enrollment
- 8 clinicians in this Medicare group
Saginaw, MI 48604
- Reassigned Medicare billing, Michigan enrollment
- 17 clinicians in this Medicare group
Saginaw, MI 48603
- Reassigned Medicare billing, Michigan enrollment
- 14 clinicians in this Medicare group
Saint Charles, MI 48655
- Reassigned Medicare billing, Michigan enrollment
- 9 clinicians in this Medicare group
Mt Pleasant, MI 48858
- Reassigned Medicare billing, Michigan enrollment
- 321 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 10
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.
Ascension St Mary's Hospital
Acute Care Hospitals · Saginaw, MIMclaren Central Michigan
Acute Care Hospitals · Mount Pleasant, MIMclaren Northern Michigan
Acute Care Hospitals · Petoskey, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48723 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Topp's NPI number?
The NPI number for Courtney Topp is 1164990669. It was assigned to this individual provider in the NPPES registry on November 2, 2018. The provider is also known as Courtney Lynn Topp Fnp-Bc.
Where is Courtney Topp located?
Courtney Topp practices at 1525 W Caro Rd, Caro, MI 48723. The listed phone number is (989) 660-9272.
What is Courtney Topp's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Courtney Topp enrolled in Medicare?
Yes. Courtney Topp 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 Courtney Topp's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Courtney Topp reassigns Medicare benefits to 6 organizations: Shattuck Family Physicians PLLC (Caro, MI), Tricity Internists (Saginaw, MI), Columbiaville Family Clinic PLLC (Saginaw, MI), Saginaw Valley Walk In Clinic, PLLC (Saginaw, MI), St. Charles Family Clinic PLLC (Saint Charles, MI) and 1 more organization, listed in the Medicare section above. 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 Topp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Courtney Topp accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Priority Health and UnitedHealthcare list Courtney Topp 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 Courtney Topp affiliated with any hospitals?
According to CMS data, Courtney Topp is affiliated with Ascension St Mary's Hospital, Mclaren Central Michigan and Mclaren Northern Michigan.
When was this NPI record last updated?
The NPPES record for Courtney Topp was last updated on March 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Courtney Lynn Topp, FNP-BC · NPI 1164990669
Family physician in Caro, Michigan. Individual provider, active in the CMS NPPES registry since November 2, 2018.
## Identity
- **NPI:** 1164990669 (Entity type: Individual)
- **Enumerated:** November 2, 2018
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 4704282883 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1525 W CARO RD, Caro, MI 48723
- **Phone:** (989) 660-9272 · **Fax:** (989) 672-0748
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Shattuck Family Physicians PLLC (NPI 1801251194, Caro, MI); Tricity Internists (NPI 1568796852, Saginaw, MI); Columbiaville Family Clinic PLLC (NPI 1457716102, Saginaw, MI); Saginaw Valley Walk In Clinic, PLLC (NPI 1770883738, Saginaw, MI); St. Charles Family Clinic PLLC (NPI 1669837993, Saint Charles, MI); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** March 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1164990669) · Data from the CMS NPPES public registry.