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

Mr. Mark W Chapman, LICSW

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1679559819

Mr. Mark W Chapman, LICSW is a Clinical Social Worker in Marshall, Minnesota. Qualified in 1993, 33 years ago. Accepts Medicare assignment. Licensed in Texas.

Years since qualifying
33
Licensed in
TX
In the registry since
2005
Specialties on file
2
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Practice location Address checks out

1212 E College Dr
Marshall, MN 56258-2010
Phone: (507) 532-3236
Fax: (507) 532-0240
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 32645 (TX)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 4857 (TX)

Record details

NPI number1679559819
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorNo
NPI enumeratedDecember 20, 2005
Last updated in NPPESApril 3, 2018

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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