Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Macmillan Bruce IV, D.D.S.
Dentist in Great Falls, MT · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1437257615
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Registry record
Entity type Individual (Type 1)
Name Dr. John Macmillan Bruce IV
Credential D.D.S.
Sex Male
Practice address 2519 6th Ave S, Great Falls, MT, 59405
Phone (406) 452-2964
Fax (406) 452-6449
Enumeration date Sep 20, 2006
Last updated in NPPES Mar 13, 2020
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
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
Where does John Bruce practice?
The practice location on file with NPPES is in Great Falls, MT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Bruce?
The National Provider Identifier (NPI) for John Bruce is 1437257615, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-03-13.