MS. MARILYN ANN WALKER LPC
NPI 1295828945
Counselor - Addiction (Substance Use Disorder) in Richmond, MI
About Ms. Marilyn Ann Walker Lpc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARILYN ANN WALKER LPC (NPI 1295828945) is an individual addiction (substance use disorder) provider in Richmond, Michigan, licensed in Michigan (6401009624) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2005).
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 and accepts Medicare assignment
Ms. Marilyn Ann Walker Lpc 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 Marilyn Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brockway, MI 48097
- Reassigned Medicare billing, Michigan enrollment
- 30 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RICHMOND, MI 48062
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 Marilyn Walker's NPI number?
The NPI number for Marilyn Walker is 1295828945. It was assigned to this individual provider in the NPPES registry on October 2, 2006.
Where is Marilyn Walker located?
Marilyn Walker practices at 400 Stoddard Rd, Richmond, MI 48062. The listed phone number is (810) 392-2167.
What is Marilyn Walker's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.
Is Marilyn Walker enrolled in Medicare?
Yes. Marilyn Walker 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 Marilyn Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marilyn Walker reassigns Medicare benefits to Blue Water Mental Health Clinic (Brockway, 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 Marilyn Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marilyn Walker 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 Marilyn Walker 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 Marilyn Walker was last updated on September 21, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Ms. Marilyn Ann Walker, LPC · NPI 1295828945
Addiction (Substance Use Disorder) provider in Richmond, Michigan. Individual provider, active in the CMS NPPES registry since October 2, 2006.
## Identity
- **NPI:** 1295828945 (Entity type: Individual)
- **Enumerated:** October 2, 2006
- **Primary specialty:** Counselor - Addiction (Substance Use Disorder) · taxonomy 101YA0400X
- **State license:** 6401009624 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 400 STODDARD RD, Richmond, MI 48062
- **Phone:** (810) 392-2167 · **Fax:** (810) 392-2057
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Blue Water Mental Health Clinic (NPI 1467590406, Brockway, 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:** September 21, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1295828945) · Data from the CMS NPPES public registry.