GRACE HOFFMAN
NPI 1336531607
Nurse Practitioner - Adult Health in Grand Rapids, MI
About Grace Hoffman NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRACE HOFFMAN (NPI 1336531607) is an individual adult health provider in Grand Rapids, Michigan, licensed in Michigan (4704276079) and active in the NPI registry since February 2015. She is enrolled in Medicare PECOS, is affiliated with Mercy Health Saint Mary's, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Grace Hoffman 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 Grace Hoffman 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 49503
- Reassigned Medicare billing, Michigan enrollment
- 737 clinicians in this Medicare group
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 42 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Health Saint Mary's
Acute Care Hospitals · Grand Rapids, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49503 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.
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
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 Grace Hoffman's NPI number?
The NPI number for Grace Hoffman is 1336531607. It was assigned to this individual provider in the NPPES registry on February 24, 2015. The provider is also known as Grace Gembrowski Dnp.
Where is Grace Hoffman located?
Grace Hoffman practices at 200 Jefferson Ave SE, Grand Rapids, MI 49503. The listed phone number is (616) 685-8500.
What is Grace Hoffman's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Grace Hoffman enrolled in Medicare?
Yes. Grace Hoffman 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 Grace Hoffman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Hoffman reassigns Medicare benefits to 2 organizations: Advantage Health Saint Mary's Medical Group (Grand Rapids, MI) and Saint Mary's Health Services (Grand Rapids, 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 Grace Hoffman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grace Hoffman accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Oscar Insurance Company and Priority Health list Grace Hoffman 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 Grace Hoffman affiliated with any hospitals?
According to CMS data, Grace Hoffman is affiliated with Mercy Health Saint Mary's.
When was this NPI record last updated?
The NPPES record for Grace Hoffman was last updated on February 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.