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Mental Health Counselor

Maria Mandalos

Sees patients in Boston, MA · Massachusetts

Summary

Maria Mandalos is a mental health counselor at 332 Hanover Sreet, Boston, MA 02113. Phone: (617) 643-8000. May accept Medicare assignment. NPI 1871964890. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Mental health counselor
  • Address: 332 Hanover Sreet, Boston, MA 02113 · Directions (1 more location)
  • Phone: (617) 643‑8000
  • Medicare: May accept Medicare assignment
  • Group practice: North End Community Health Committee, Inc.
  • School: graduated 2015
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Maria Mandalos, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Maria Mandalos accept Medicare assignment?
Medicare's clinician data says Maria Mandalos may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Maria Mandalos's NPI number?
1871964890. 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 Maria Mandalos is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maria Mandalos as a member of this group (CMS data updated October 2, 2026).

  • North End Community Health Committee, Inc.55 clinicians in the group

Specialties

Find other clinicians: Mental Health Counselor, Massachusetts →

Other mental health counselors in Boston

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

All mental health counselors in Boston →

Other clinicians in North End Community Health Committee, Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2015
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1871964890
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 October 2, 2026, retrieved October 29, 2026
  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