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MS. TONYA LYNN MERCIER LMSW
NPI 1477989085
Social Worker - Clinical in Fraser, MI

Active since September 16, 2013PECOS Enrolled
31469 YORK ST, FRASER, MI 48026(313) 725-1847(313) 347-4369 Get Directions Write a Review

NPPES record last updated: March 19, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 19, 2025, Oct 14, 2022, Apr 25, 2021 (3 updates tracked since 2021).

About Ms. Tonya Lynn Mercier Lmsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. TONYA LYNN MERCIER LMSW (NPI 1477989085) is an individual clinical provider in Fraser, Michigan, licensed in Michigan (6801095332) and active in the NPI registry since September 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477989085
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. TONYA LYNN MERCIERCredential: LMSW
Location Address31469 YORK STFraser, MI 48026-3647
Mailing Address31469 York StFraser, MI 48026-3647 · (313) 725-1847 · Fax (313) 347-4369
Phone(313) 725-1847
Fax(313) 347-4369
Sole ProprietorNo
Enumeration DateSeptember 16, 2013
Last NPPES UpdateMarch 19, 20253 updates tracked since enumeration
NPPES CertifiedMarch 19, 2025
✔ NPI 1477989085 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MI · 6801095332
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
31469 YORK ST, Fraser, MI 48026
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Other Identifiers 1

Medicaid1477989085MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Tonya Lynn Mercier Lmsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Tonya Mercier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Redsway PLLC
Same address
Clinical
31469 YORK ST
Fraser, MI 48026
  • Reassigned Medicare billing, Michigan enrollment
  • 2 clinicians in this Medicare group
NPI 1659192466 (586) 265-8771

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 48026 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $58.04 – $177.36
Typical copayment $0.00 (range $14.51 – $44.34)
Most-billed visit code NA
Established Patient
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

REDSWAY PLLC
Social Worker (Clinical)
31469 YORK ST
FRASER, MI 48026
Macomb County (586) 265-8771

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 Tonya Mercier's NPI number?

The NPI number for Tonya Mercier is 1477989085. It was assigned to this individual provider in the NPPES registry on September 16, 2013.

Where is Tonya Mercier located?

Tonya Mercier practices at 31469 York St, Fraser, MI 48026. The listed phone number is (313) 725-1847.

What is Tonya Mercier's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Tonya Mercier enrolled in Medicare?

Yes. Tonya Mercier is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tonya Mercier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tonya Mercier reassigns Medicare benefits to Redsway PLLC (Fraser, 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 Tonya Mercier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tonya Mercier 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 2 other insurers list Tonya Mercier 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 Tonya Mercier was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.