Mary Callahan, MS, CCC-SLP
NPI 1073939500 · Speech-Language Pathologist · Saint Ignatius, MT
Mary Callahan, MS, CCC-SLP is a Speech-Language Pathologist provider in Saint Ignatius, MT (NPI 1073939500).
Provider details
- NPI number
- 1073939500
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MS, CCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 812 (MT)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
Mailing address
Registry dates
- Enumerated
- 2014-03-07
- Last updated
- 2014-03-07
Frequently asked questions
- What is Mary Callahan's NPI number?
- Mary Callahan's National Provider Identifier (NPI) is 1073939500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Callahan's specialty?
- Mary Callahan is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Mary Callahan located?
- Mary Callahan's practice location on file with NPPES is 32441 Mission Creek Rd, Saint Ignatius, MT 59865-9791.
- What is Mary Callahan's phone number?
- The practice phone number listed in the NPPES registry for Mary Callahan is (406) 370-5776.
- Is Mary Callahan's NPI active?
- Yes — Mary Callahan's NPI (1073939500) is active in the NPPES registry as of the last update on 2014-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.