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

Dr. Mark Lamar Byers, PHD

Individual provider Counseling Psychologist · NPI 1386673242

Dr. Mark Lamar Byers, PHD is a Counseling Psychologist in Cambridge, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

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

2 Arnold Cir
Cambridge, MA 02139-2213
Phone: (617) 899-4654
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counseling Psychologist (primary) Taxonomy 103TC1900X · Licence 1030 (MA)

Record details

NPI number1386673242
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 2, 2006
Last updated in NPPESJuly 8, 2007
Mailing address21 Rockwood Ter, Auburndale, MA 02466-1805

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