NPPES file of Aug 9, 2026

William Anthony Mahoney, D.MIN., LMFT

Marriage & Family Therapist · Andover, MA

William Anthony Mahoney, D.MIN., LMFT is a marriage & family therapist with a practice address in Andover, Massachusetts, and NPI 1639323298, issued on Nov 10, 2008. Check the license (Massachusetts LMFT1735, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639323298
Name
William Anthony Mahoney
Credential
D.MIN., LMFT
Primary taxonomy
Marriage & Family Therapist 106H00000X
License number
LMFT1735 MA
Self-reported in NPPES; status is on the state search
Practice location
40 Shattuck RD Ste 250, Andover, MA 01810
Phone
(603) 505-6847
Enumerated
Nov 10, 2008
Record last updated
Jan 17, 2024
Medicare enrollment
Enrolled (PECOS I20260127000177); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest marriage & family therapist records → All 690 in Massachusetts → Look up another NPI →

Also registered at 40 Shattuck RD Ste 250

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amanda Bronson, PSY.D.Psychologist1043591167
  2. Megan Cahill, LICSWSocial Worker1992281265
  3. Alexandra Hamel, LICSWClinical Social Worker1245849959
  4. Lynne JeannotPsychiatric/Mental Health Nurse Practitioner1265012801
  5. Moira Maclean-WidemanMental Health Counselor1942677471
  6. Stephon Martin, MDPsychiatry Physician1376047860

Verify William Anthony Mahoney in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license LMFT1735    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Optum Behavioral Care OF Connecticut PCAndover, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Anthony Mahoney among 690 marriage & family therapist records in Massachusetts

William Anthony Mahoney, D.MIN., LMFT is one of 690 marriage & family therapist records with a practice address in Massachusetts. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 32% of them.

  • NPI issued2008 · 32% of these records are older, 59% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2001 · median 2010 among the 76 with a school on file
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 106H00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Marriage & Family Therapist providers in Massachusetts

There are 690 marriage & family therapist records in Massachusetts.

All 690 in Massachusetts → Every provider in Andover → Marriage & Family Therapist nationwide →

The 8 marriage & family therapist records with the nearest ZIP codes

  1. Chingju Chen, PHDAndover, MA 018101669759791
  2. Bradley Eardley, MA, LMFTAndover, MA 018101134386139
  3. Quincy HockAndover, MA 018101780972612
  4. Karin Lewis, M.A., LMFTAndover, MA 018101538476411
  5. Sophia NazzaroAndover, MA 018101962857557
  6. Michael Lynch, LMFTBurlington, MA 018031992044333
  7. Marnie Pettit, LMFTBurlington, MA 018031417677600
  8. Joshua Tracy, LMFTBurlington, MA 018031043443831

Common questions

What is William Anthony Mahoney, D.MIN., LMFT's NPI number?

William Anthony Mahoney, D.MIN., LMFT's National Provider Identifier (NPI) is 1639323298, issued on Nov 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is William Anthony Mahoney, D.MIN., LMFT located?

The NPPES record lists a practice address at 40 Shattuck RD Ste 250, Andover, MA, 01810. Phone: (603) 505-6847. Providers update this record themselves, so call before visiting.

How can I verify William Anthony Mahoney, D.MIN., LMFT's license?

NPPES lists Massachusetts license number LMFT1735, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.