MRS. KIM LUYENDYK WILLIAMS LMSW
NPI 1346422656
Social Worker in Grand Rapids, MI
About Mrs. Kim Luyendyk Williams Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KIM LUYENDYK WILLIAMS LMSW (NPI 1346422656) is an individual social worker in Grand Rapids, Michigan, licensed in Michigan (6801061899) and active in the NPI registry since November 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Grand Rapids, and is a graduate of Other (1989).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Mrs. Kim Luyendyk Williams Lmsw 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 Reassignment
Medicare enrollment records show Kim Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Rapids, MI 49548
- Reassigned Medicare billing, Michigan enrollment
- 261 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
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.
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.
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 Kim Williams's NPI number?
The NPI number for Kim Williams is 1346422656. It was assigned to this individual provider in the NPPES registry on November 28, 2007.
Where is Kim Williams located?
Kim Williams practices at 300 68th St SE, Grand Rapids, MI 49548. The listed phone number is (616) 455-5270.
What is Kim Williams's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Kim Williams enrolled in Medicare?
Yes. Kim Williams 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 organization bills Medicare for Kim Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kim Williams reassigns Medicare benefits to Pine Rest Christian Mental Health 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 Kim Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kim Williams 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 Kim Williams 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 Kim Williams was last updated on July 24, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Mrs. Kim Luyendyk Williams, LMSW · NPI 1346422656
Social Worker provider in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since November 28, 2007.
## Identity
- **NPI:** 1346422656 (Entity type: Individual)
- **Enumerated:** November 28, 2007
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 6801061899 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 68TH ST SE, Grand Rapids, MI 49548-6927
- **Phone:** (616) 455-5270
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Pine Rest Christian Mental Health Services (NPI 1922019157, Grand Rapids, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1989
## Record status
- **NPPES last updated:** July 24, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1346422656) · Data from the CMS NPPES public registry.