MONTANA GASTROENTEROLOGY, PLLC
NPI 1821612946
Clinic/Center in Missoula, MT
About Montana Gastroenterology, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MONTANA GASTROENTEROLOGY, PLLC (NPI 1821612946) is a healthcare organization registered as a clinic/center in Missoula, Montana and active in the NPI registry since June 2020. The organization holds a CLIA Certificate of Compliance certificate valid through February 8, 2027 and lists Robert E Mccarville, Administrator, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Accepted 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)
Montana Gastroenterology, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
31Medicare enrollment records show 31 clinicians reassign Medicare billing to Montana Gastroenterology, PLLC, which bills Medicare for the services they deliver. Of these, 11 practice at this address and 14 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 5
Nearest to this location (20)
See all 31Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Compliance 27D2267430
Montana Gastroenterology, PLLC · Missoula, MTFrequently 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 Montana Gastroenterology, PLLC's NPI number?
The NPI number for Montana Gastroenterology, PLLC is 1821612946. It was assigned to this organization in the NPPES registry on June 4, 2020.
Where is Montana Gastroenterology, PLLC located?
Montana Gastroenterology, PLLC is located at 1930 W Broadway Ste A, Missoula, MT 59808. The listed phone number is (406) 541-6844.
What is Montana Gastroenterology, PLLC's specialty?
The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.
Is Montana Gastroenterology, PLLC enrolled in Medicare?
Yes. Montana Gastroenterology, PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Montana Gastroenterology, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 31 clinicians in 5 Medicare specialties reassign their Medicare billing to Montana Gastroenterology, 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. The largest specialties are Certified Registered Nurse Anesthetist (CRNA) (12), Gastroenterology (12) and Anesthesiology (3). Of these, 11 practice at this address and 14 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Montana Gastroenterology, PLLC hold a CLIA laboratory certificate?
Yes. A Certificate of Compliance (number 27D2267430) is associated with this NPI, valid through February 8, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Montana Gastroenterology, PLLC accept?
Health plans from Blue Cross and Blue Shield of Montana list Montana Gastroenterology, 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 Montana Gastroenterology, PLLC was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.
# Montana Gastroenterology, Pllc · NPI 1821612946
Clinic/Center organization in Missoula, Montana. Organization record, active in the CMS NPPES registry since June 4, 2020.
## Identity
- **NPI:** 1821612946 (Entity type: Organization)
- **Enumerated:** June 4, 2020
- **Primary specialty:** Clinic/Center · taxonomy 261Q00000X
- **Organization subpart:** No
- **Authorized official:** Robert Mccarville, ADMINISTRATOR
## Practice location
- **Address:** 1930 W BROADWAY, STE A, Missoula, MT 59808
- **Phone:** (406) 541-6844 · **Fax:** (406) 541-6843
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 31 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Certified Registered Nurse Anesthetist (CRNA) (12), Gastroenterology (12), Anesthesiology (3); 11 practice at this address and 14 within 10 miles; [full list](https://npiprofile.com/npi/1821612946/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 13, 2026
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1821612946) · Data from the CMS NPPES public registry.