Dr. John Trojanowski , PsyD
Psychologist - Clinical • Berkeley, CA
Professional Overview & Biography Verified Profile Summary
Dr. John Trojanowski, PsyD is a registered healthcare professional specializing in Psychologist - Clinical in Berkeley, CA. Practice services are available at 1400 SHATTUCK AVE STE 12-216 under active NPI credentials.
Practice Location & Contact Primary Location
1400 Shattuck Ave Ste 12-216
Berkeley, CA 947091411
Specialty Benchmarks & Practice Insights
Comparative analytics for Psychologist - Clinical in Berkeley, CA
Practicing in Berkeley, CA (13237 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-02-20NUCC Taxonomy Code: 103TC0700X
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 1400 SHATTUCK AVE STE 12-216, BERKELEY, CA 947091411 (Tel: 5102397024)
Registered at 1425 LEIMERT BLVD STE 300, OAKLAND, CA 946021808 (Tel: 5102397024)
Registered at 1400 SHATTUCK AVE STE 12-216, BERKELEY, CA 947091411 (Tel: 5102397024)
Recorded as JOHN TROJANOWSKI, PSYD
Psychologist (License #PSY31863 in CA)
NPI status registered as active in NPPES database
Registered at 1375 55TH ST, EMERYVILLE, CA 946082609 (Tel: 5106557880)
Registered at 1375 55TH ST, EMERYVILLE, CA 946082609
Recorded as JOHN TROJANOWSKI
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
1400 Shattuck Ave Ste 12-216
Berkeley, CA 947091411
Phone: 5102397024
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