William Gresser, M.A.
Marriage & Family Therapist · Acton, MA
William Gresser, M.A. is a marriage & family therapist with a practice address in Acton, Massachusetts, and NPI 1558341529, issued on Jan 18, 2006. Check the license (Massachusetts 141, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Gresser
- Credential
- M.A.
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License numbers
- 141 MA
255 MA
Self-reported in NPPES; status is on the state search - Practice location
- 162 Great RD, Acton, MA 01720
- Phone
- (781) 641-4104
- Enumerated
- Jan 18, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
Also registered at 162 Great RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn Bettencourt, PHDPsychologist1689975484
- Zachary Gresser, LMHCCounselor1316363633
- Susan Hunter-Jones, LICSWProfessional Counselor1457598377
- George Thomson, PSY.DClinical Psychologist1700890753
Verify William Gresser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 141Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marriage & Family Therapist providers in Massachusetts
There are 690 marriage & family therapist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other marriage & family therapist records in Massachusetts
- Erika Abrahamsson, M.DIV. LMFTSomerville, MA1770646929
- Thomas Adams, M.DIV., MANatick, MA1255472320
- Gaby Adisho, MAMFT, M.DIV.Salem, MA1104032622
- Delphine AdouQuincy, MA1861056947
- Shannon AhernFramingham, MA1922155654
- Iyabo Akinadewo, MA , TRAINEE PHD MFTBoston, MA1598499469
- Ayobami Akindumila, MS, LMFTBrookline, MA1023473584
- Yudum Akyil, MAPlymouth, MA1861697864
- Ericka AlbrightPittsfield, MA1447563283
- Padma Ali, MFTBoston, MA1750419776
Common questions
What is William Gresser, M.A.'s NPI number?
William Gresser, M.A.'s National Provider Identifier (NPI) is 1558341529, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Gresser, M.A. located?
The NPPES record lists a practice address at 162 Great RD, Acton, MA, 01720. Phone: (781) 641-4104. Providers update this record themselves, so call before visiting.
How can I verify William Gresser, M.A.'s license?
NPPES lists Massachusetts license number 141, 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. 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.