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

Diane Koehler

Individual provider Mental Health Counselor · NPI 1588816326

Diane Koehler is a Mental Health Counselor in Haverhill, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2008.

In the registry since
2008

Practice location Address checks out

116 Summer St
Haverhill, MA 01830-6032
Phone: (978) 373-7010
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1588816326
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedOctober 10, 2008
Last updated in NPPESOctober 10, 2008
Mailing address116 Summer St, Haverhill, MA 01830-6032

Other providers in Haverhill