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John Trojanowski, PSYD
NPI 1073804910 · on the registry since 2011 · sole proprietor
Practice
- Address
- 1400 Shattuck Ave Ste 12-216
Berkeley, CA 94709 - Phone
- (510) 239-7024
- Organisation at this address
- Bay Area Children First- Berkeley
Alternative Legal And Psychological ServicesInferred from a shared address, not stated in the registry. - Clinicians at this address
- 6
Registry record
- Primary taxonomy
- Clinical Psychologist
103TC0700X
- Licence states on file
- CA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-02-20
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California