CHRISTINE STACK MSW, LICSW
NPI 1104064062
Social Worker in Nashua, NH
About Christine Stack Msw, Licsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINE STACK MSW, LICSW (NPI 1104064062) is an individual social worker in Nashua, New Hampshire and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS and is a graduate of Other (1989).
NPPES Registry Identity
Specialties & Licenses 2
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
Christine Stack Msw, Licsw 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 Christine Stack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Nashua, NH 03060
- Reassigned Medicare billing, New Hampshire enrollment
- 34 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.
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 Christine Stack's NPI number?
The NPI number for Christine Stack is 1104064062. It was assigned to this individual provider in the NPPES registry on January 30, 2009.
Where is Christine Stack located?
Christine Stack practices at 440 Amherst St, Nashua, NH 03063. The listed phone number is (603) 889-6147.
What is Christine Stack's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Christine Stack enrolled in Medicare?
Yes. Christine 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 Christine Stack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christine Stack reassigns Medicare benefits to Community Council Of Nashua Nh, Inc. (Nashua, NH). 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 Christine Stack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christine Stack accept?
Health plans from Ambetter from NH Healthy Families and Anthem Blue Cross and Blue Shield list Christine 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 Christine Stack was last updated on August 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Christine Stack, MSW, LICSW · NPI 1104064062
Social Worker provider in Nashua, New Hampshire. Individual provider, active in the CMS NPPES registry since January 30, 2009.
## Identity
- **NPI:** 1104064062 (Entity type: Individual)
- **Enumerated:** January 30, 2009
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **Sole proprietor:** No
## Practice location
- **Address:** 440 AMHERST ST, Nashua, NH 03063-1225
- **Phone:** (603) 889-6147
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Community Council Of Nashua Nh, Inc. (NPI 1770588444, Nashua, NH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1989
## Record status
- **NPPES last updated:** August 8, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1104064062) · Data from the CMS NPPES public registry.