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

Individual provider Psychologist · NPI 1659343580

Dr. Charles J Slagen, PHD is a Psychologist in Lexington, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

16 Clarke St Ste 21
Lexington, MA 02421-4988
Phone: (781) 402-2442
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 4833 (MA)

Record details

NPI number1659343580
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedFebruary 4, 2006
Last updated in NPPESJune 11, 2008

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