MS. THERESA DAWN STACK LMSW
NPI 1427251909
Social Worker - Clinical in Traverse City, MI
About Ms. Theresa Dawn Stack Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. THERESA DAWN STACK LMSW (NPI 1427251909) is an individual clinical provider in Traverse City, Michigan, licensed in Michigan (6801019505) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1997).
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. Theresa Dawn Stack 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 Reassignment
Medicare enrollment records show Theresa Stack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- 11 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49684 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TRAVERSE CITY, MI 49684
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 Theresa Stack's NPI number?
The NPI number for Theresa Stack is 1427251909. It was assigned to this individual provider in the NPPES registry on June 11, 2007.
Where is Theresa Stack located?
Theresa Stack practices at 512 S Union St, Traverse City, MI 49684. The listed phone number is (231) 941-6550.
What is Theresa Stack's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Theresa Stack enrolled in Medicare?
Yes. Theresa Stack 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 Theresa Stack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Stack reassigns Medicare benefits to Old Town Psychological Services (Traverse City, 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 Theresa Stack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Theresa Stack 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 Theresa Stack 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 Theresa Stack was last updated on July 8, 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. Theresa Dawn Stack, LMSW · NPI 1427251909
Clinical provider in Traverse City, Michigan. Individual provider, active in the CMS NPPES registry since June 11, 2007.
## Identity
- **NPI:** 1427251909 (Entity type: Individual)
- **Enumerated:** June 11, 2007
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 6801019505 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 512 S UNION ST, Traverse City, MI 49684-3247
- **Phone:** (231) 941-6550 · **Fax:** (231) 941-8981
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Old Town Psychological Services (NPI 1093989162, Traverse City, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1427251909) · Data from the CMS NPPES public registry.