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

John J Ratey, MD

Individual provider Psychiatry Physician · NPI 1417094756

John J Ratey, MD is a Psychiatry Physician in Cambridge, Massachusetts. Licensed in California and Massachusetts. Registered with an NPI since 2007.

Licensed in
CA, MA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

10 Rogers St Apt 903
Cambridge, MA 02142-1251
Phone: (617) 501-5769
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 41412 (MA)
Psychiatry Physician Taxonomy 2084P0800X · Licence G88685 (CA)

Record details

NPI number1417094756
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 30, 2007
Last updated in NPPESJanuary 5, 2022
Certification dateJanuary 5, 2022
Mailing address10 Rogers St Apt 903, Cambridge, MA 02142-1251

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