Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Martin G Degroot, PA-C
Physician Assistant in Ennis, MT · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1427304864
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Registry record
Entity type Individual (Type 1)
Name Martin G Degroot
Credential PA-C
Sex Male
Practice address 305 N Main St, Ennis, MT, 59729
Phone (406) 682-6862
Fax (406) 682-4756
Enumeration date Aug 2, 2012
Last updated in NPPES Jan 30, 2026
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License MED-PAC-LIC-77035 (MT) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Martin Degroot?
The National Provider Identifier (NPI) for Martin Degroot is 1427304864, a Type 1 (individual) record in the CMS NPPES registry.
Where does Martin Degroot practice?
The practice location on file with NPPES is in Ennis, MT. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Madison Valley Hospital Inc Critical Access Hospital · Ennis, MT NPI 1740223882 Madison Valley Hospital, Inc. Rural Health Clinic/Center · Ennis, MT NPI 1518136308 Krystin Nutt Family Nurse Practitioner · Ennis, MT NPI 1205162583 Martha Stoner Physical Therapist · Ennis, MT NPI 1275854549 Maura Davenport Family Medicine Physician · Ennis, MT NPI 1972896074 Andrew Thomas Physical Therapist · Ennis, MT NPI 1699107508 Kristin Maurer Family Nurse Practitioner · Ennis, MT NPI 1245645803 Dustin Brown Family Medicine Physician · Ennis, MT NPI 1821523697
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-30.