KATHERINE RANEE RITZEMA FNP-C
NPI 1326702754
Nurse Practitioner - Family in Muskegon, MI
About Katherine Ranee Ritzema Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE RANEE RITZEMA FNP-C (NPI 1326702754) is an individual family provider in Muskegon, Michigan, licensed in Michigan (4704225741) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
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
Katherine Ranee Ritzema 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 Reassignment
Medicare enrollment records show Katherine Ritzema reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sparta, MI 49345
- Reassigned Medicare billing, Michigan enrollment
- 737 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49442 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 10
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 Katherine Ritzema's NPI number?
The NPI number for Katherine Ritzema is 1326702754. It was assigned to this individual provider in the NPPES registry on October 22, 2021.
Where is Katherine Ritzema located?
Katherine Ritzema practices at 2734 E Apple Ave, Muskegon, MI 49442. The listed phone number is (692) 986-4723.
What is Katherine Ritzema's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Katherine Ritzema enrolled in Medicare?
Yes. Katherine Ritzema 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 organization bills Medicare for Katherine Ritzema's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Ritzema reassigns Medicare benefits to Advantage Health/Saint Mary's Medical Group (Sparta, MI). The 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 Katherine Ritzema's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Ritzema accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company and Priority Health list Katherine Ritzema 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 Katherine Ritzema was last updated on March 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Katherine Ranee Ritzema, FNP-C · NPI 1326702754
Family physician in Muskegon, Michigan. Individual provider, active in the CMS NPPES registry since October 22, 2021.
## Identity
- **NPI:** 1326702754 (Entity type: Individual)
- **Enumerated:** October 22, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 4704225741 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2734 E APPLE AVE, Muskegon, MI 49442-4413
- **Phone:** (692) 986-4723
## 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:** Advantage Health/Saint Mary's Medical Group (NPI 1760599906, Sparta, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** March 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1326702754) · Data from the CMS NPPES public registry.