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Stephen Knowlton, PHD
NPI 1336291004 · on the registry since 2007 · sole proprietor
Practice
- Address
- 466 Commonwealth Ave
Suite 201b
Boston, MA 02215 - Phone
- (617) 859-5806
- Organisation at this address
- The Sharon St Group Inc
Inferred from a shared address, not stated in the registry.
- Clinicians at this address
- 2
Registry record
- Primary taxonomy
- Clinical Psychologist
103TC0700X
- Also registered as
- Psychologist
- Licence states on file
- MA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2025-09-11
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 Massachusetts