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

Louis Ostrowsky

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1306135082

Louis Ostrowsky is a Psychiatry in Cambridge, Massachusetts. Graduated from Northwestern University Feinberg Medical School in 2011, 15 years ago. Practices with Cambridge Public Health Commission, a 649-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
15
Trained at
Northwestern University Feinberg Medical School
Licensed in
MA
In the registry since
2011
Specialties on file
2
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1493 Cambridge St Macht Bldg Rm 206
Cambridge, MA 02139-1047
Phone: (617) 665-1187
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 257561 (MA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1306135082
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 1, 2011
Last updated in NPPESOctober 16, 2015
Mailing address1493 Cambridge St, Macht Building Room 206, Cambridge, MA 02139-1047

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2011 (15 years in practice)
Group practice Cambridge Public Health Commission — 649 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Cambridge