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Clinical Psychologist

Daniel J. Millstein

Sees patients in Boston, MA · Massachusetts

Summary

Daniel J. Millstein (Clinical Psychologist) is enrolled with Medicare at 1 practice location in Boston, MA. NPI 1972090678. 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 Daniel J. Millstein, 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
7Years since medical school (graduated 2019)
MaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice

Quick answers

Where does Daniel J. Millstein see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Daniel J. Millstein's specialty?
Medicare lists Clinical Psychologist as the primary specialty.
Does Daniel J. Millstein accept Medicare assignment?
Yes. Medicare's clinician data says Daniel J. Millstein 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 Daniel J. Millstein offer telehealth?
Medicare's clinician data says Daniel J. Millstein offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Daniel J. Millstein?
(617) 724-0287, as listed in official Medicare / NPI Registry data.
What is Daniel J. Millstein's NPI number?
1972090678. 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 Daniel J. Millstein is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Daniel J. Millstein as a member of this group (CMS data updated 2026-10-02).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group

Specialties

Find other clinicians: Clinical Psychologist, Massachusetts →

Other clinical psychologists in Boston

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

All clinical psychologists in Boston →

Clinician information

Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1972090678
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