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

Miss. Margaret S Mercer, LCSW

Individual provider Clinical Social Worker · NPI 1508001934

Miss. Margaret S Mercer, LCSW is a Clinical Social Worker in Portland, Maine. Qualified in 2006, 20 years ago. Works from 2 locations. Licensed in Colorado and Maine.

Years since qualifying
20
Licensed in
CO, ME
In the registry since
2008
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

22 Bramhall St
Portland, ME 04102-3134
Phone: (207) 662-2911
Fax: (207) 662-6006
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2950 Tennyson St, Denver, CO 80212-3029 — (720) 588-3324

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LC24403 (ME)
Clinical Social Worker Taxonomy 1041C0700X · Licence CSW-1190 (CO)

Record details

NPI number1508001934
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedDecember 15, 2008
Last updated in NPPESMay 5, 2025
Certification dateMay 5, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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