1. Home
  2. Directory
  3. North Dakota
  4. Dickinson
  5. Nurse Practitioner
  6. NPI Profile

CORNERSTONE MENTAL HEALTH PLLC
NPI 1326731563
Nurse Practitioner - Psychiatric/Mental Health in Dickinson, ND

Active since June 01, 2023
257 1ST ST E STE 3, DICKINSON, ND 58601(701) 289-9036(701) 248-9243 Get Directions Write a Review

NPPES record last updated: April 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 27, 2025, Sep 7, 2023, Jun 1, 2023 (3 updates tracked since 2023).

About Cornerstone Mental Health Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CORNERSTONE MENTAL HEALTH PLLC (NPI 1326731563) is a healthcare organization registered as a psychiatric/mental health in Dickinson, North Dakota and active in the NPI registry since June 2023. The organization maintains a secondary practice location in Sidney and lists Toni Abelseth, Owner, as its authorized official.

NPPES Registry Identity

NPI1326731563
Entity TypeOrganization
Primary Taxonomy363LP0808X
Legal Business NameCORNERSTONE MENTAL HEALTH PLLC
Location Address257 1ST ST E STE 3Dickinson, ND 58601-5267
Mailing Address387 15th St W # 162Dickinson, ND 58601-3017
Phone(701) 289-9036
Fax(701) 248-9243
Organization SubpartNo
Authorized OfficialToni AbelsethOwner · (701) 289-9036
Enumeration DateJune 1, 2023
Last NPPES UpdateApril 16, 20253 updates tracked since enumeration
NPPES CertifiedApril 16, 2025
✔ NPI 1326731563 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
257 1ST ST E STE 3, Dickinson, ND 58601
Open in Google Maps ↗

Other Names 2

Doing Business AsCornerstone Mental Health Pllc
Doing Business AsMidwest Psychiatric Care

Secondary Practice Location 1

Location 1110 N Central Ave Ste 3Sidney, MT 59270-4120 · Phone (406) 780-7949 · Fax (701) 248-9243

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross Blue Shield of North Dakota, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cornerstone Mental Health Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Cornerstone Mental Health PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Toni Abelseth, APRN, PMHNP
Nurse Practitioner
NPI 1962886689
257 1ST ST E STE 3
Dickinson, ND 58601
(701) 289-9036
✔ PECOS✔ Accepts MedicareSame address
Faith Barth
Nurse Practitioner
NPI 1003770678
257 1ST ST E STE 3
Dickinson, ND 58601
(701) 289-9036
✔ PECOS✔ Accepts Medicare0.3 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Cornerstone Mental Health PLLC's NPI number?

The NPI number for Cornerstone Mental Health PLLC is 1326731563. It was assigned to this organization in the NPPES registry on June 1, 2023. The provider is doing business as Midwest Psychiatric Care.

Where is Cornerstone Mental Health PLLC located?

Cornerstone Mental Health PLLC is located at 257 1st St E Ste 3, Dickinson, ND 58601. The listed phone number is (701) 289-9036.

What is Cornerstone Mental Health PLLC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Cornerstone Mental Health PLLC enrolled in Medicare?

Yes. Cornerstone Mental Health PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cornerstone Mental Health PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Nurse Practitioner, reassign their Medicare billing to Cornerstone Mental Health PLLC. A 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 the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Cornerstone Mental Health PLLC accept?

Health plans from Blue Cross Blue Shield of North Dakota, Blue Cross and Blue Shield of Montana and Sanford Health Plan list Cornerstone Mental Health PLLC 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 Cornerstone Mental Health PLLC was last updated on April 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.