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

Dr. Michael Irwin Singer, PHD

Individual provider Clinical Psychologist · NPI 1821143934

Dr. Michael Irwin Singer, PHD is a Clinical Psychologist in Lexington, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

4 Muzzey St
Lexington, MA 02421
Phone: (781) 862-3219
Fax: (781) 863-0235
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 15 (MA)

Record details

NPI number1821143934
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJanuary 25, 2007
Last updated in NPPESJuly 8, 2007
Mailing address4 Muzzey St, Lexington, MA 02421

Other providers in Lexington