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Clinical Psychologist

Nancy M. Mattei

Sees patients in Brookline, MA · Massachusetts

Summary

Nancy M. Mattei (Clinical Psychologist) is enrolled with Medicare at 1 practice location in Brookline, MA. NPI 1245255827. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Nancy M. Mattei, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Clinical PsychologistPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
47Years since medical school (graduated 1979)
Boston University School Of MedicineMedical school
FemaleGender (as listed)

Quick answers

Where does Nancy M. Mattei see patients?
Medicare's clinician data lists 1 practice location in Brookline, MA. Call before your visit to confirm the address.
What is Nancy M. Mattei's specialty?
Medicare lists Clinical Psychologist as the primary specialty.
Does Nancy M. Mattei accept Medicare assignment?
Yes. Medicare's clinician data says Nancy M. Mattei accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Nancy M. Mattei offer telehealth?
Medicare's clinician data says Nancy M. Mattei offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Nancy M. Mattei?
(617) 739-0112, as listed in official Medicare / NPI Registry data.
What is Nancy M. Mattei's NPI number?
1245255827. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Nancy M. Mattei is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Clinical Psychologist, Massachusetts →

Other clinical psychologists in Brookline

Clinicians with the same Medicare primary specialty in Brookline, MA — not a recommendation.

All clinical psychologists in Brookline →

Clinician information

Medical schoolBoston University School Of Medicine
Graduation year1979
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1245255827
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians