IndividualActive
James Armstrong, MD
NPI 1881649952 · Family Medicine Physician · Missoula, MT
James Armstrong, MD is a Family Medicine Physician provider in Missoula, MT (NPI 1881649952).
Provider details
- NPI number
- 1881649952
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 8270 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
2819 Great Northern Loop
Missoula, MT 59808-1750
Phone: (406) 541-3046
Fax: (406) 543-0740
Street-level locationGet directions
Mailing address
2819 Great Northern Loop
Missoula, MT 59808-1750
Registry dates
- Enumerated
- 2006-05-24
- Last updated
- 2016-02-01
Frequently asked questions
- What is James Armstrong's NPI number?
- James Armstrong's National Provider Identifier (NPI) is 1881649952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Armstrong's specialty?
- James Armstrong is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Armstrong located?
- James Armstrong's practice location on file with NPPES is 2819 Great Northern Loop, Missoula, MT 59808-1750.
- What is James Armstrong's phone number?
- The practice phone number listed in the NPPES registry for James Armstrong is (406) 541-3046.
- Is James Armstrong's NPI active?
- Yes — James Armstrong's NPI (1881649952) is active in the NPPES registry as of the last update on 2016-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.