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

Michael D O'Brien, PHD

Individual provider Clinical Social Worker · NPI 1326011669

Michael D O'Brien, PHD is a Clinical Social Worker in Indianapolis, Indiana. Licensed in Indiana. Registered with an NPI since 2006.

Licensed in
IN
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

5502 E 16th St
Indianapolis, IN 46218-4937
Phone: (317) 355-5394
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 34000161A (IN)

Record details

NPI number1326011669
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedFebruary 8, 2006
Last updated in NPPESJuly 8, 2007

Other providers in Indianapolis