MEREDITH LEE AMBROSIEWICZ LMSW
NPI 1215450994
Social Worker - Clinical in Port Huron, MI
About Meredith Lee Ambrosiewicz Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEREDITH LEE AMBROSIEWICZ LMSW (NPI 1215450994) is an individual clinical provider in Port Huron, Michigan, licensed in Michigan (6801119093) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (2021).
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
Meredith Lee Ambrosiewicz 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 Reassignments
2Medicare enrollment records show Meredith Ambrosiewicz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Port Huron, MI 48060
- Reassigned Medicare billing, Michigan enrollment
- 80 clinicians in this Medicare group
Miami, FL 33130
- Reassigned Medicare billing, Michigan enrollment
- 411 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 48060 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 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 Meredith Ambrosiewicz's NPI number?
The NPI number for Meredith Ambrosiewicz is 1215450994. It was assigned to this individual provider in the NPPES registry on July 25, 2017.
Where is Meredith Ambrosiewicz located?
Meredith Ambrosiewicz practices at 3111 Electric Ave, Port Huron, MI 48060. The listed phone number is (810) 395-4343.
What is Meredith Ambrosiewicz's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Meredith Ambrosiewicz enrolled in Medicare?
Yes. Meredith Ambrosiewicz 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 organizations bill Medicare for Meredith Ambrosiewicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Meredith Ambrosiewicz reassigns Medicare benefits to 2 organizations: St Clair County Community Mental Health Authority (Port Huron, MI) and Grow Healthcare Group PA (Miami, FL). Each 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 Meredith Ambrosiewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Meredith Ambrosiewicz accept?
Health plans from Blue Care Network of Michigan, Oscar Insurance Company and Priority Health list Meredith Ambrosiewicz 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 Meredith Ambrosiewicz was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.