KARSHAWNA ASHLEY BROWN NP-C
NPI 1447012356
Nurse Practitioner - Gerontology in Grand Rapids, MI
About Karshawna Ashley Brown Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARSHAWNA ASHLEY BROWN NP-C (NPI 1447012356) is an individual gerontology provider in Grand Rapids, Michigan, licensed in Michigan (4704319790) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (2023).
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
Karshawna Ashley Brown Np-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 Reassignments
2Medicare enrollment records show Karshawna Brown 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
- 2,446 clinicians in this Medicare group
Grand Rapids, MI 49546
- Reassigned Medicare billing, Michigan enrollment
- 3 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 5
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.
Spectrum Health
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
GRAND RAPIDS, MI 49503
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 Karshawna Brown's NPI number?
The NPI number for Karshawna Brown is 1447012356. It was assigned to this individual provider in the NPPES registry on January 25, 2024. The provider is also known as Karshawna Ashley Sims.
Where is Karshawna Brown located?
Karshawna Brown practices at 145 Michigan St NE Ste 3410, Grand Rapids, MI 49503. The listed phone number is (616) 391-9945.
What is Karshawna Brown's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Karshawna Brown enrolled in Medicare?
Yes. Karshawna Brown 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 Karshawna Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karshawna Brown reassigns Medicare benefits to 2 organizations: Spectrum Health Primary Care Partners (Grand Rapids, MI) and Bennett Institute For Urogynecology And Incontinence PC (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 Karshawna Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karshawna Brown accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Karshawna Brown 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 Karshawna Brown affiliated with any hospitals?
According to CMS data, Karshawna Brown is affiliated with Spectrum Health.
When was this NPI record last updated?
The NPPES record for Karshawna Brown was last updated on November 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Karshawna Ashley Brown, NP-C · NPI 1447012356
Gerontology physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since January 25, 2024.
## Identity
- **NPI:** 1447012356 (Entity type: Individual)
- **Enumerated:** January 25, 2024
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** 4704319790 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 145 MICHIGAN ST NE STE 3410, Grand Rapids, MI 49503-2563
- **Phone:** (616) 391-9945
## 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): Spectrum Health Primary Care Partners (NPI 1326599671, Grand Rapids, MI); Bennett Institute For Urogynecology And Incontinence PC (NPI 1790410991, Grand Rapids, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** November 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1447012356) · Data from the CMS NPPES public registry.