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

Dr. Mary F O'Neill, PHD

Individual provider Mental Health Counselor · NPI 1770648701

Dr. Mary F O'Neill, PHD is a Mental Health Counselor in Brookline, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1419 Beacon St Ste 11
Brookline, MA 02446-4808
Phone: (617) 739-0454
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 6629 (MA)

Record details

NPI number1770648701
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 27, 2006
Last updated in NPPESJuly 8, 2007

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