VIVIAN KELLER LMSW
NPI 1922420835
Social Worker - Clinical in Grand Rapids, MI
About Vivian Keller Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIVIAN KELLER LMSW (NPI 1922420835) is an individual clinical provider in Grand Rapids, Michigan, licensed in Michigan (6801096145) and active in the NPI registry since January 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2008).
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 (PECOS)
Vivian Keller Lmsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Vivian Keller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Rapids, MI 49505
- Reassigned Medicare billing, Michigan enrollment
- 5 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 49507 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Vivian Keller's NPI number?
The NPI number for Vivian Keller is 1922420835. It was assigned to this individual provider in the NPPES registry on January 11, 2014.
Where is Vivian Keller located?
Vivian Keller practices at 1644 Giddings Ave SE, Grand Rapids, MI 49507. The listed phone number is (616) 389-0548.
What is Vivian Keller's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Vivian Keller enrolled in Medicare?
Yes. Vivian Keller is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Vivian Keller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Keller reassigns Medicare benefits to Bridge To Restoration Therapy Services (Grand Rapids, 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 Vivian Keller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Vivian Keller 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 3 other insurers list Vivian Keller 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 Vivian Keller was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Vivian Keller, LMSW · NPI 1922420835
Clinical provider in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since January 11, 2014.
## Identity
- **NPI:** 1922420835 (Entity type: Individual)
- **Enumerated:** January 11, 2014
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 6801096145 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1644 GIDDINGS AVE SE, Grand Rapids, MI 49507-2225
- **Phone:** (616) 389-0548
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Bridge To Restoration Therapy Services (NPI 1033888375, Grand Rapids, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** February 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1922420835) · Data from the CMS NPPES public registry.