IndividualActive
Michael Callahan, MSW
NPI 1790572642 · Social Worker · Portage, IN
Michael Callahan, MSW is a Social Worker provider in Portage, IN (NPI 1790572642).
Provider details
- NPI number
- 1790572642
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(48/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% 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
3176 Lancer St
Portage, IN 46368-4408
Phone: (219) 531-3500
Street-level locationGet directions
Mailing address
601 Wall St
Valparaiso, IN 46383-2512
Registry dates
- Enumerated
- 2025-04-23
- Last updated
- 2025-04-23
- Certified
- 2025-04-23
Frequently asked questions
- What is Michael Callahan's NPI number?
- Michael Callahan's National Provider Identifier (NPI) is 1790572642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Callahan's specialty?
- Michael Callahan is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Michael Callahan located?
- Michael Callahan's practice location on file with NPPES is 3176 Lancer St, Portage, IN 46368-4408.
- What is Michael Callahan's phone number?
- The practice phone number listed in the NPPES registry for Michael Callahan is (219) 531-3500.
- Is Michael Callahan's NPI active?
- Yes — Michael Callahan's NPI (1790572642) is active in the NPPES registry as of the last update on 2025-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.