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

Individual provider Clinical Psychologist · NPI 1558414060

Dr. Elizabeth Mainzer Gagnon, PHD is a Clinical Psychologist in Boston, Massachusetts. Qualified in 2002, 24 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
24
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.

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Practice location Address checks out

77 Franklin St Ste 809
Boston, MA 02110-1510
Phone: (617) 451-0055
Fax: (617) 451-0055
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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 8186 (MA)

Record details

NPI number1558414060
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 19, 2007
Last updated in NPPESSeptember 22, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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