Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Español Near me My list Help
US Patient GuideUSA
Surprise me
Psychiatry

Michael W. Marcus, MD

Sees patients in Winchester, MA · Massachusetts

Summary

Michael W. Marcus, MD (Psychiatry) is enrolled with Medicare at 1 practice location in Winchester, MA. NPI 1669571253. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(781) 721‑2737 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Michael W. Marcus, 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

1Practice location
PsychiatryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
58Years since medical school (graduated 1968)
Albert Einstein College Of Medicine Of Yeshiva UniversityMedical school
MaleGender (as listed)
Michael W. Marcus, M.D., P.C.Group practice

Quick answers

Where does Michael W. Marcus see patients?
Medicare's clinician data lists 1 practice location in Winchester, MA. Call before your visit to confirm the address.
What is Michael W. Marcus's specialty?
Medicare lists Psychiatry as the primary specialty, and also Addiction Medicine and Geriatric Psychiatry.
Does Michael W. Marcus accept Medicare assignment?
Yes. Medicare's clinician data says Michael W. Marcus 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 Michael W. Marcus offer telehealth?
Medicare's clinician data says Michael W. Marcus offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Michael W. Marcus?
(781) 721-2737, as listed in official Medicare / NPI Registry data.
What is Michael W. Marcus's NPI number?
1669571253. 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 Michael W. Marcus is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael W. Marcus as a member of this group (CMS data updated 2026-10-02).

  • Michael W. Marcus, M.D., P.C.6 clinicians in the group

Specialties

Find other Psychiatry doctors in Massachusetts →

Other psychiatrists in Massachusetts

Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.

All psychiatrists in Massachusetts →

Clinician information

CredentialMD
Medical schoolAlbert Einstein College Of Medicine Of Yeshiva University
Graduation year1968
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1669571253
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