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Family Practice

Justin Maher, MD

Sees patients in Needham, MA · Massachusetts

Summary

Justin Maher, MD (Family Practice) is enrolled with Medicare at 1 practice location in Needham, MA. NPI 1649973843. 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 Justin Maher, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
3Years since medical school (graduated 2023)
MaleGender (as listed)
Wellesley Family Care Associates PCGroup practice

Quick answers

Where does Justin Maher see patients?
Medicare's clinician data lists 1 practice location in Needham, MA. Call before your visit to confirm the address.
What is Justin Maher's specialty?
Medicare lists Family Practice as the primary specialty.
Does Justin Maher accept Medicare assignment?
Yes. Medicare's clinician data says Justin Maher 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.
What is the phone number for Justin Maher?
(781) 235-7900, as listed in official Medicare / NPI Registry data.
What is Justin Maher's NPI number?
1649973843. 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 Justin Maher is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Justin Maher as a member of this group (CMS data updated 2026-10-02).

  • Wellesley Family Care Associates PC22 clinicians in the group

Specialties

Find other Family Practice doctors in Massachusetts →

Other family doctors in Needham

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

All family doctors in Needham →

Clinician information

CredentialMD
Graduation year2023
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649973843
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