TAMMY LYNN BOST LMSW
NPI 1083174932
Social Worker - Clinical in Rockford, MI
About Tammy Lynn Bost Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMY LYNN BOST LMSW (NPI 1083174932) is an individual clinical provider in Rockford, Michigan, licensed in Michigan (6801106282) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Lansing.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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 (PECOS)
Tammy Lynn Bost Lmsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tammy Bost reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brighton, MI 48114
- Reassigned Medicare billing, Michigan enrollment
- 451 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 49341 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
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 Tammy Bost's NPI number?
The NPI number for Tammy Bost is 1083174932. It was assigned to this individual provider in the NPPES registry on March 25, 2019. The provider is also known as Tammy Lynn Ruterbusch Lmsw.
Where is Tammy Bost located?
Tammy Bost practices at 1585 Pleasant Wood NE, Rockford, MI 49341. The listed phone number is (810) 845-7543.
What is Tammy Bost's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Tammy Bost enrolled in Medicare?
Yes. Tammy Bost is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tammy Bost's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Bost reassigns Medicare benefits to Downriver Mental Health Clinic PC (Brighton, 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 Tammy Bost's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammy Bost accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company, Priority Health and UnitedHealthcare list Tammy Bost 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 Tammy Bost was last updated on January 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Tammy Lynn Bost, LMSW · NPI 1083174932
Clinical provider in Rockford, Michigan. Individual provider, active in the CMS NPPES registry since March 25, 2019.
## Identity
- **NPI:** 1083174932 (Entity type: Individual)
- **Enumerated:** March 25, 2019
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 6801106282 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1585 PLEASANT WOOD NE, Rockford, MI 49341-7577
- **Phone:** (810) 845-7543
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Downriver Mental Health Clinic PC (NPI 1225165715, Brighton, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 31, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1083174932) · Data from the CMS NPPES public registry.