Marietta G. Lyon, LICSW
Clinical Social Worker · Quincy, MA
Marietta G. Lyon, LICSW is a clinical social worker with a practice address in Quincy, Massachusetts, and NPI 1598846289, issued on Oct 18, 2006. Check the license (Massachusetts 1029505, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marietta G. Lyon
- Credential
- LICSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 1029505 MA
Self-reported in NPPES; status is on the state search - Practice location
- 859 Willard St, Quincy, MA 02169
- Phone
- (617) 847-1997
- Enumerated
- Oct 18, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040901001498); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,815 in Massachusetts → Look up another NPI →
Also registered at 859 Willard St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Delphine AdouMarriage & Family Therapist1861056947
- Brandy Allen, M.,ED.Student in an Organized Health Care Education/Training Program1598949398
- Marcus Allen, MSWMental Health Counselor1437493863
- Philip Altekruse, M.D.Psychiatry Physician1255354049
- Amelia Ambrose, ED.DMental Health Counselor1578732525
- Michael Baldwin, LADCIIAddiction (Substance Use Disorder) Counselor1679845341
Verify Marietta G. Lyon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 1029505Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- South Shore Mental Health Center IncBraintree, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marietta G. Lyon among 17,815 clinical social worker records in Massachusetts
Marietta G. Lyon, LICSW is one of 17,815 clinical social worker records with a practice address in Massachusetts. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 85% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated1995 · median 2004 among the 3,059 with a school on file
- Record last updated2007 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
261 clinical social worker records list a practice address in Quincy
They are 261 of the 2,716 NPPES records with a practice address in Quincy, and 17,815 clinical social worker records in Massachusetts.
All 17,815 in Massachusetts → Every provider in Quincy → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Lisa Alexander, LICSWQuincy, MA 021691316924483
- Kathleen Bambrick, LICSWQuincy, MA 021691154341253
- Kimberly Banovic, LCSWQuincy, MA 021691386664142
- Dalys Blair, LICSWQuincy, MA 021691841229606
- Olga De Armas, LICSWQuincy, MA 021691083641468
- Richard Elliott, LICSWQuincy, MA 021691114972452
- Audrey Ely, L.I.C.S.W.Quincy, MA 021691417989088
- Irving Epstein, LICSWQuincy, MA 021691972557833
Common questions
What is Marietta G. Lyon, LICSW's NPI number?
Marietta G. Lyon, LICSW's National Provider Identifier (NPI) is 1598846289, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marietta G. Lyon, LICSW located?
The NPPES record lists a practice address at 859 Willard St, Quincy, MA, 02169. Phone: (617) 847-1997. Providers update this record themselves, so call before visiting.
How can I verify Marietta G. Lyon, LICSW's license?
NPPES lists Massachusetts license number 1029505, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.