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

Dr. Grant Loren Iverson, PHD

Individual provider Clinical Neuropsychologist · NPI 1033524913

Dr. Grant Loren Iverson, PHD is a Clinical Psychologist in Boston, Massachusetts. Graduated from West Virginia University School of Medicine in 1993, 33 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
33
Trained at
West Virginia University School of Medicine
Licensed in
MA
In the registry since
2014
Specialties on file
2
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 Partly verified

Some contact details are missing from the federal record.

Home Base Program 101 Merrimac Street 2nd Fl
Boston, MA 02114
Phone: (617) 573-2770
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence 9828 (MA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 9828 (MA)

Record details

NPI number1033524913
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 30, 2014
Last updated in NPPESJuly 2, 2014

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolWEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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