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

MS. Harriet Alison Otis, MA

Individual provider Mental Health Counselor · NPI 1861593725

MS. Harriet Alison Otis, MA is a Mental Health Counselor in Littleton, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

See every abbreviation used in this directory →

Practice location Address checks out

438 King St
Littleton, MA 01460-1269
Phone: (978) 952-6060
Fax: (978) 486-8104
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 3000 (MA)

Record details

NPI number1861593725
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA
Sole proprietorNo
NPI enumeratedSeptember 25, 2006
Last updated in NPPESJuly 9, 2007

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