Mary Callahan, MS, CCC-SLP
Speech-Language Pathologist · Saint Ignatius, MT
Mary Callahan, MS, CCC-SLP is a speech-language pathologist with a practice address in Saint Ignatius, Montana, and NPI 1073939500, issued on Mar 7, 2014. Check the license with the Montana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Callahan
- Credential
- MS, CCC-SLP
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- Practice location
- 32441 Mission Creek RD, Saint Ignatius, MT 59865
- Phone
- (406) 370-5776
- Enumerated
- Mar 7, 2014
- Entity
- Type 1 · individual
Also registered at 32441 Mission Creek RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Crystal MeyerSpeech-Language Pathologist1881046076
Verify Mary Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
4 speech-language pathologist records list a Saint Ignatius practice address
They are 4 of the 42 NPPES records with a Saint Ignatius practice address, and 559 speech-language pathologist records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4 in Saint Ignatius → All 559 in Montana → Every provider in Saint Ignatius →
Other speech-language pathologist records in Montana
- Kathy Aasved, SLPMissoula, MT1942679691
- Kathy Adams, KATHY ADAMSPolson, MT1821316514
- Jessie Ahnmark, M.A., CCC-SLPGallatin Gateway, MT1184263774
- Regan Albertini-Green, M.S., CCC-SLPGreat Falls, MT1669122024
- Geri Allmaras-Willer, SLP, MSSidney, MT1891902144
- Kari Altenhofen, M.A,SLPMissoula, MT1922154673
- Maira Ambris, SLPPolson, MT1073107702
- Tara Amis, M.A. CCC-SLPHelena, MT1639576879
- Megan AndersenColumbia Falls, MT1336061233
- Amy AndersonGreat Falls, MT1376391623
Common questions
What is Mary Callahan, MS, CCC-SLP's NPI number?
Mary Callahan, MS, CCC-SLP's National Provider Identifier (NPI) is 1073939500, issued on Mar 7, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mary Callahan, MS, CCC-SLP located?
The NPPES record lists a practice address at 32441 Mission Creek RD, Saint Ignatius, MT, 59865. Phone: (406) 370-5776. Providers update this record themselves, so call before visiting.
How can I verify Mary Callahan, MS, CCC-SLP's license?
Search the Montana board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.