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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

DR. DAVID GAGE STEWART, PH.D.

Active Sole Proprietor

DR. DAVID GAGE STEWART, PH.D. is a Cognitive & Behavioral Psychologist healthcare provider located in CAMBRIDGE, Massachusetts. NPI 1366781932 is currently active in the NPPES registry. Verify at CMS.

Cognitive & Behavioral Psychologist · CAMBRIDGE, MA

Registration Details

NPI Number
1366781932
Provider Type
Individual
Gender
Male
NPI Issued
Feb 2, 2013 (13.385123997154 yrs)
Last Updated
Sep 11, 2025
Licenses
PY00002443 (WA)
PY00002443 (WA)
PY00002443 (WA)
PY00002443 (WA)
Sole Proprietor
Yes

Practice Information

Address
1493 CAMBRIDGE ST
CAMBRIDGE, MA, 021391047
Browse MA providers · Browse ZIP 02139
Phone
4252285336
Primary Specialty
Cognitive & Behavioral Psychologist
103TB0200X
Additional Specialty
Clinical Psychologist
Additional Specialty
Child, Clinical Psychologist

Other Cognitive & Behavioral Psychologist Providers in CAMBRIDGE, MA

Name Credential NPI
DR. AMY A. PLANTE PSY.D. 1952669061
DR. KAITLIN P GALLO PH.D. 1780068254
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.