RACHAEL FIZER D.O.
NPI 1790199578
Obstetrics & Gynecology in Grand Rapids, MI
About Rachael Fizer D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RACHAEL FIZER D.O. (NPI 1790199578) is an individual obstetrics & gynecology provider in Grand Rapids, Michigan, licensed in Michigan (5101025948) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health - West, 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
Rachael Fizer D.o. 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
2Medicare enrollment records show Rachael Fizer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49546
- Reassigned Medicare billing, Michigan enrollment
- 685 clinicians in this Medicare group
Holland, MI 49423
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Obgyn Associates Of Holland, PC
- 14 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Michigan Health - West
Acute Care Hospitals · Wyoming, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49546 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND RAPIDS, MI 49546
GRAND RAPIDS, MI 49546
GRAND RAPIDS, MI 49546
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 Rachael Fizer's NPI number?
The NPI number for Rachael Fizer is 1790199578. It was assigned to this individual provider in the NPPES registry on June 19, 2014. The provider is also known as Rachael Wilsmann Do.
Where is Rachael Fizer located?
Rachael Fizer practices at 4055 Cascade Rd SE, Grand Rapids, MI 49546. The listed phone number is (616) 252-4410.
What is Rachael Fizer's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Rachael Fizer enrolled in Medicare?
Yes. Rachael Fizer 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 Rachael Fizer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rachael Fizer reassigns Medicare benefits to 2 organizations: Metropolitan Hospital (Grand Rapids, MI) and Ob/Gyn Associates Of Holland, PC (Holland, 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 Rachael Fizer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rachael Fizer accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, CareSource, Priority Health and UnitedHealthcare list Rachael Fizer 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 Rachael Fizer affiliated with any hospitals?
According to CMS data, Rachael Fizer is affiliated with University Of Michigan Health - West.
When was this NPI record last updated?
The NPPES record for Rachael Fizer was last updated on March 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Rachael Fizer, D.O. · NPI 1790199578
Obstetrics & Gynecology physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since June 19, 2014.
## Identity
- **NPI:** 1790199578 (Entity type: Individual)
- **Enumerated:** June 19, 2014
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 5101025948 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 4055 CASCADE RD SE, Grand Rapids, MI 49546-2149
- **Phone:** (616) 252-4410
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Metropolitan Hospital (NPI 1720590961, Grand Rapids, MI); Ob/Gyn Associates Of Holland, PC (NPI 1003988460, Holland, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2014
## Record status
- **NPPES last updated:** March 12, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1790199578) · Data from the CMS NPPES public registry.