NPPES file of Aug 9, 2026

Michael W. Marcus, M.d., PC in Winchester, MA

This organization bills under NPI 1780891697, an organization record issued on May 17, 2007 with the primary taxonomy Clinical Social Worker. Each clinician who works there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1780891697
Legal name
Michael W. Marcus, M.d., PC
Entity
Type 2 · organization
Primary taxonomy
Clinical Social Worker 1041C0700X
Practice location
898 MAIN ST, Winchester, MA 01890
Phone
781-721-2737
Enumerated
May 17, 2007
Record updated
Sep 11, 2025
Authorized official
President (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

6 clinicians CMS lists with Michael W Marcus M D in Winchester

  1. Linda Cahill, AP RN BCPsychiatric/Mental Health Nurse Practitioner1124163852
  2. Joan Hodges, MSW LICSWClinical Social Worker1538294517
  3. Emery Marcus, MSN, NP-CPsychiatric/Mental Health Nurse Practitioner1700234952
  4. Michael Marcus, MDChild & Adolescent Psychiatry Physician1669571253
  5. Sean Marker, MDPsychiatry Physician1104852011
  6. Stephen Smith, MSW LICSWCounselor1568597466

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

Checking an organization

  1. Confirm the business with the Massachusetts secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

All taxonomies on this record

  • 1041C0700X Clinical Social Worker
  • 2084P0800X Psychiatry Physician
  • 364S00000X Clinical Nurse Specialist

Common questions

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.