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

Mark Nickerson, LICSW

Individual provider Mental Health Counselor · NPI 1336159615

Mark Nickerson, LICSW is a Clinical Social Worker in Amherst, Massachusetts. Qualified in 1980, 46 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
46
Licensed in
MA
In the registry since
2006
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

441 W St
Amherst, MA 01002-2997
Phone: (413) 256-0550
Fax: (413) 256-0550
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 104628 (MA)

Record details

NPI number1336159615
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorYes
NPI enumeratedAugust 9, 2006
Last updated in NPPESJuly 8, 2007
Mailing address368 Middle St, Amherst, MA 01002-3016

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1980 (46 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Amherst