HEATHER MATTHEIS
NPI 1841651981
Social Worker in Bismarck, ND
About Heather Mattheis NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEATHER MATTHEIS (NPI 1841651981) is an individual social worker in Bismarck, North Dakota, licensed in North Dakota (3934) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Heather Mattheis is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Heather Mattheis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bismarck, ND 58501
- Reassigned Medicare billing, North Dakota enrollment
- Medicare enrollment name: West Central Human Service Center
- 89 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 5
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 Heather Mattheis's NPI number?
The NPI number for Heather Mattheis is 1841651981. It was assigned to this individual provider in the NPPES registry on March 17, 2016.
Where is Heather Mattheis located?
Heather Mattheis practices at 600 S 2nd St Suite 201, Bismarck, ND 58504. The listed phone number is (701) 751-0384.
What is Heather Mattheis's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Heather Mattheis enrolled in Medicare?
Yes. Heather Mattheis is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Heather Mattheis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heather Mattheis reassigns Medicare benefits to West Central Behavioral Health Clinic (Bismarck, ND). 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 Heather Mattheis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Heather Mattheis accept?
Health plans from Blue Cross Blue Shield of North Dakota and Sanford Health Plan list Heather Mattheis 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 Heather Mattheis was last updated on March 17, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Heather Mattheis · NPI 1841651981
Social Worker provider in Bismarck, North Dakota. Individual provider, active in the CMS NPPES registry since March 17, 2016.
## Identity
- **NPI:** 1841651981 (Entity type: Individual)
- **Enumerated:** March 17, 2016
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 3934 (North Dakota)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 600 S 2ND ST, SUITE 201, Bismarck, ND 58504-5729
- **Phone:** (701) 751-0384
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** West Central Behavioral Health Clinic (NPI 1649226713, Bismarck, ND), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 17, 2016
- **Other identifiers:** Medicaid 1528309846 (ND)
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Source: [NPI Profile](https://npiprofile.com/npi/1841651981) · Data from the CMS NPPES public registry.