Katherine Ritzema, FNP-C
NPI 1326702754 · Family Nurse Practitioner · Muskegon, MI
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Ritzema, FNP-C is a Family Nurse Practitioner provider in Muskegon, MI (NPI 1326702754).
Provider details
- NPI number
- 1326702754
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 4704225741 (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
4 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
- 2021-10-22
- Last updated
- 2025-03-06
- Certified
- 2025-03-06
Frequently asked questions
- What is Katherine Ritzema's NPI number?
- Katherine Ritzema's National Provider Identifier (NPI) is 1326702754, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Ritzema's specialty?
- Katherine Ritzema is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Ritzema located?
- Katherine Ritzema's practice location on file with NPPES is 2734 E Apple Ave, Muskegon, MI 49442-4413.
- What is Katherine Ritzema's phone number?
- The practice phone number listed in the NPPES registry for Katherine Ritzema is (692) 986-4723.
- Does Katherine Ritzema accept Medicare?
- Katherine Ritzema is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Ritzema's NPI active?
- Yes — Katherine Ritzema's NPI (1326702754) is active in the NPPES registry as of the last update on 2025-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.