Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mervin M. Carnahan, MSW

Individual provider Social Worker · NPI 1407884331

Mervin M. Carnahan, MSW is a Social Worker in Waterloo, Iowa. Licensed in Iowa. Registered with an NPI since 2006.

Licensed in
IA
In the registry since
2006
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

2750 Saint Francis Dr
Waterloo, IA 50702-5644
Phone: (319) 272-8922
Fax: (319) 272-8929
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 981 (IA)

Record details

NPI number1407884331
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorNo
NPI enumeratedJune 29, 2006
Last updated in NPPESJuly 13, 2007
Mailing address2101 Kimball Ave, Ll14, Waterloo, IA 50702-5063

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