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

Individual provider Clinical Social Worker · NPI 1598846289

MS. Marietta G Lyon, LICSW is a Clinical Social Worker in Quincy, Massachusetts. Qualified in 1995, 31 years ago. Practices with South Shore Mental Health Center Inc, a 35-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
31
Licensed in
MA
In the registry since
2006
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

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Practice location Address checks out

859 Willard St Ste 430
Quincy, MA 02169-7482
Phone: (617) 847-1997
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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 · Licence 1029505 (MA)

Record details

NPI number1598846289
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorNo
NPI enumeratedOctober 18, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice South Shore Mental Health Center Inc — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Quincy