John Quincy Marshall, LMHC
Mental Health Counselor · Lowell, MA
John Quincy Marshall, LMHC is a mental health counselor with a practice address in Lowell, Massachusetts, and NPI 1881748366, issued on Jan 22, 2007. Check the license (Massachusetts 3941, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Quincy Marshall
- Credential
- LMHC
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- License number
- 3941 MA
Self-reported in NPPES; status is on the state search - Practice location
- 77 E Merrimack St, Lowell, MA 01852
- Phone
- (978) 483-6800
- Enumerated
- Jan 22, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (978) 483-6767
- Medicare enrollment
- Enrolled (PECOS I20240125004770); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 18,415 in Massachusetts → Look up another NPI →
Also registered at 77 E Merrimack St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Adam, M.ED.Mental Health Counselor1619289071
- April AguayoCounselor1194470419
- Albert Aiyeadun, MSWSocial Worker1134846827
- Dallas AliceaSocial Worker1659786085
- Heather AllardSocial Worker1649820028
- Leidy Almonte, MSW, LICSWClinical Social Worker1881931228
Verify John Quincy Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 3941Check 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
- SB Transitional Sub LLCLowell, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Quincy Marshall among 18,415 mental health counselor records in Massachusetts
John Quincy Marshall, LMHC is one of 18,415 mental health counselor records with a practice address in Massachusetts. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 6% of them.
- NPI issued2007 · 6% of these records are older, 84% newer
- In a Medicare fileYes · 7% of these records are
- In the CMS Doctors and Clinicians fileYes · 10% of these records are
- Graduated1994 · median 2014 among the 1,811 with a school on file
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
374 mental health counselor records list a practice address in Lowell
They are 374 of the 2,992 NPPES records with a practice address in Lowell, and 18,415 mental health counselor records in Massachusetts.
All 18,415 in Massachusetts → Every provider in Lowell → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Elena AnsaraLowell, MA 018521427137793
- Gordon Bailey, LMHCLowell, MA 018521497807598
- Ann Brady, LMHCLowell, MA 018521255379046
- Maria Dinis, MSLowell, MA 018521801959895
- Alyson Eckholt, LMHCLowell, MA 018521932277175
- Debra Finn, LMHCLowell, MA 018521336188531
- Henry Hartley, MSLowell, MA 018521740332345
- Colleen Kellner, LMHCLowell, MA 018521962574954
Common questions
What is John Quincy Marshall, LMHC's NPI number?
John Quincy Marshall, LMHC's National Provider Identifier (NPI) is 1881748366, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Quincy Marshall, LMHC located?
The NPPES record lists a practice address at 77 E Merrimack St, Lowell, MA, 01852. Phone: (978) 483-6800. Providers update this record themselves, so call before visiting.
How can I verify John Quincy Marshall, LMHC's license?
NPPES lists Massachusetts license number 3941, 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.