Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MR. WILLIAM GRESSER, M.A.
ActiveMR. WILLIAM GRESSER, M.A. is a Marriage & Family Therapist healthcare provider located in ACTON, Massachusetts. NPI 1558341529 is currently active in the NPPES registry. Verify at CMS.
Marriage & Family Therapist · ACTON, MA
Registration Details
- NPI Number
- 1558341529
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jan 18, 2006 (20.539357698132 yrs)
- Last Updated
- Sep 11, 2025
- Licenses
-
255 (MA)141 (MA)
Practice Information
- Address
-
162 GREAT RDACTON, MA, 017205760Browse MA providers · Browse ZIP 01720
- Phone
- 7816414104
- Primary Specialty
-
Marriage & Family Therapist
106H00000X
- Additional Specialty
- Marriage & Family Therapist
Other Marriage & Family Therapist Providers in ACTON, MA
| Name | Credential | NPI |
|---|---|---|
| HELEN R FREY | MA ED | 1538246962 |
| WENDY REBECCA KLEIN | LMFT | 1083899801 |
| MS. YUPING NANCY YEN | M.S. LMFT | 1003048380 |
| EMILY HOGAN | LMFT | 1518436286 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.