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

MS. Michelle Esther O'Brien, PHD, LCSW

Individual provider Social Worker · NPI 1154935963

MS. Michelle Esther O'Brien, PHD, LCSW is a Social Worker in New York, New York. Works from 2 locations. Licensed in New York.

Licensed in
NY
In the registry since
2020
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

280 Madison Ave Ste 1108
New York, NY 10016-0815
Phone: (347) 265-9307
Show map & directions

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

Additional practice locations (1)

  • 44 E 12th St, New York, NY 10003-4632 — (917) 885-7892

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 097082 (NY)
Social Worker Taxonomy 104100000X · Licence 109869 (NY)

Record details

NPI number1154935963
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , LCSW
Sole proprietorNo
NPI enumeratedAugust 31, 2020
Last updated in NPPESJuly 22, 2024
Certification dateJuly 22, 2024

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