MARGARET C PIERCE MS, CCC-SLP
NPI 1477869360
Speech-Language Pathologist in South Lyon, MI
About Margaret C Pierce Ms, Ccc-slp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET C PIERCE MS, CCC-SLP (NPI 1477869360) is an individual speech-language pathologist provider in South Lyon, Michigan, licensed in Michigan (12095504) and active in the NPI registry since August 2010. She is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
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
Margaret C Pierce Ms, Ccc-slp 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 Margaret Pierce reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saginaw, MI 48603
- Reassigned Medicare billing, Michigan enrollment
- 107 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.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOUTH LYON, MI 48178
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 Margaret Pierce's NPI number?
The NPI number for Margaret Pierce is 1477869360. It was assigned to this individual provider in the NPPES registry on August 30, 2010.
Where is Margaret Pierce located?
Margaret Pierce practices at 301 S Lafayette St, South Lyon, MI 48178. The listed phone number is (248) 486-1110.
What is Margaret Pierce's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is Margaret Pierce enrolled in Medicare?
Yes. Margaret Pierce 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 Margaret Pierce's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Pierce reassigns Medicare benefits to Tmi East, Inc. (Saginaw, 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 Margaret Pierce's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Margaret Pierce was last updated on August 30, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Margaret C Pierce, MS, CCC-SLP · NPI 1477869360
Speech-Language Pathologist provider in South Lyon, Michigan. Individual provider, active in the CMS NPPES registry since August 30, 2010.
## Identity
- **NPI:** 1477869360 (Entity type: Individual)
- **Enumerated:** August 30, 2010
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **State license:** 12095504 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 S LAFAYETTE ST, South Lyon, MI 48178-1407
- **Phone:** (248) 486-1110 · **Fax:** (248) 486-3318
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Tmi East, Inc. (NPI 1336709252, Saginaw, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** August 30, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1477869360) · Data from the CMS NPPES public registry.