Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Michael W. Marcus, MD, PC

Organization Clinical Social Worker · NPI 1780891697

Michael W. Marcus, MD, PC is a Clinical Social Worker in Winchester, Massachusetts. Registered with an NPI since 2007.

In the registry since
2007
Specialties on file
3
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

898 Main St
Winchester, MA 01890-1913
Phone: (781) 721-2737
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X
Psychiatry Physician Taxonomy 2084P0800X
Clinical Nurse Specialist Taxonomy 364S00000X

Record details

NPI number1780891697
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Michael Marcus — President · (781) 721-2737
NPI enumeratedMay 17, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address898 Main St, Winchester, MA 01890-1913

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