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CENTRAL MONTANA HEART & VASCULAR INSTITUTE LLC
NPI 1841719598
Clinic/Center in Great Falls, MT

Active since September 13, 2017
401 15TH AVE S STE 202, GREAT FALLS, MT 59405(434) 227-6959(434) 227-6959 Get Directions Write a Review

NPPES record last updated: September 13, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Central Montana Heart & Vascular Institute Llc NPPES

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

CENTRAL MONTANA HEART & VASCULAR INSTITUTE LLC (NPI 1841719598) is a healthcare organization registered as a clinic/center in Great Falls, Montana and active in the NPI registry since September 2017. The organization lists Alrich Livingston Gray, Ceo, as its authorized official.

NPPES Registry Identity

NPI1841719598
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameCENTRAL MONTANA HEART & VASCULAR INSTITUTE LLC
Location Address401 15TH AVE S STE 202Great Falls, MT 59405-4334
Mailing Address1313 Beargrass DrGreat Falls, MT 59404-6496 · (434) 227-6959
Phone(434) 227-6959
Fax(434) 227-6959
Organization SubpartNo
Authorized OfficialAlrich Livingston GrayCeo · (434) 227-6959
Enumeration DateSeptember 13, 2017
✔ NPI 1841719598 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
401 15TH AVE S STE 202, Great Falls, MT 59405
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana.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)

Central Montana Heart & Vascular Institute Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Central Montana Heart & Vascular Institute LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Alrich Gray, M.D.
Cardiac Electrophysiology
NPI 1952372294
401 15TH AVE S STE 202
Great Falls, MT 59405
(406) 952-1188
✔ PECOS✔ Accepts MedicareSame address
Elizabeth O'connor, FNP APRN MSN CCRN
Nurse Practitioner
NPI 1740207224
401 15TH AVE S STE 202
Great Falls, MT 59405
(406) 952-1188
✔ PECOS✔ Accepts MedicareSame address
Megan Brinka, DNP, FNP-C
Nurse Practitioner
NPI 1780575134
401 15TH AVE S STE 202
Great Falls, MT 59405
(406) 952-1188
✔ PECOS✔ Accepts MedicareSame address
Jarrod Nichter, FNP-BC
Nurse Practitioner
NPI 1033932447
1120 FERGUSON DR
Great Falls, MT 59404
(406) 865-0229
✔ PECOS✔ Accepts Medicare1.8 mi
Sarah Roberts, APRN
Nurse Practitioner
NPI 1992057624
500 W BROADWAY ST STE 320
Missoula, MT 59802
(406) 329-5615
✔ PECOS✔ Accepts Medicare134 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 Central Montana Heart & Vascular Institute LLC's NPI number?

The NPI number for Central Montana Heart & Vascular Institute LLC is 1841719598. It was assigned to this organization in the NPPES registry on September 13, 2017.

Where is Central Montana Heart & Vascular Institute LLC located?

Central Montana Heart & Vascular Institute LLC is located at 401 15th Ave S Ste 202, Great Falls, MT 59405. The listed phone number is (434) 227-6959.

What is Central Montana Heart & Vascular Institute LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is Central Montana Heart & Vascular Institute LLC enrolled in Medicare?

Yes. Central Montana Heart & Vascular Institute LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Central Montana Heart & Vascular Institute LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Central Montana Heart & Vascular Institute LLC. 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. The largest specialties are Nurse Practitioner (4) and Cardiac Electrophysiology (1). Of these, 3 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Central Montana Heart & Vascular Institute LLC accept?

Health plans from Blue Cross and Blue Shield of Montana list Central Montana Heart & Vascular Institute LLC 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 Central Montana Heart & Vascular Institute LLC was last updated on September 13, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.