IndividualActive
Mary Langenderfer, MD
NPI 1871548537 · Internal Medicine Physician · Missoula, MT
Mary Langenderfer, MD is a Internal Medicine Physician provider in Missoula, MT (NPI 1871548537).
Provider details
- NPI number
- 1871548537
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4783 (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
500 West Broadway
Missoula, MT 59802-4008
Phone: (406) 329-7598
Fax: (406) 721-3907
Street-level locationGet directions
Mailing address
Po Box 7609
Missoula, MT 59807-7609
Registry dates
- Enumerated
- 2006-05-23
- Last updated
- 2013-10-23
Frequently asked questions
- What is Mary Langenderfer's NPI number?
- Mary Langenderfer's National Provider Identifier (NPI) is 1871548537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Langenderfer's specialty?
- Mary Langenderfer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Langenderfer located?
- Mary Langenderfer's practice location on file with NPPES is 500 West Broadway, Missoula, MT 59802-4008.
- What is Mary Langenderfer's phone number?
- The practice phone number listed in the NPPES registry for Mary Langenderfer is (406) 329-7598.
- Is Mary Langenderfer's NPI active?
- Yes — Mary Langenderfer's NPI (1871548537) is active in the NPPES registry as of the last update on 2013-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.