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

Margaret Hartmann, LMSW

Individual provider Social Worker · NPI 1831554740

Margaret Hartmann, LMSW is a Clinical Social Worker in Kalkaska, Michigan. Qualified in 2015, 11 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
11
Licensed in
MI
In the registry since
2015
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

2469 Beebe Rd
Kalkaska, MI 49646-8919
Phone: (231) 676-7913
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 6801098412 (MI)

Record details

NPI number1831554740
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorYes
NPI enumeratedDecember 18, 2015
Last updated in NPPESDecember 13, 2022
Certification dateDecember 13, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Kalkaska