William Mahoney, D.MIN., LMFT
NPI 1639323298 · Marriage & Family Therapist · Andover, MA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mahoney, D.MIN., LMFT is a Marriage & Family Therapist provider in Andover, MA (NPI 1639323298).
Provider details
- NPI number
- 1639323298
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- D.MIN., LMFT
- Sex
- Male
- Sole proprietor
- No
- License
- LMFT1735 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-11-10
- Last updated
- 2024-01-17
- Certified
- 2024-01-17
Frequently asked questions
- What is William Mahoney's NPI number?
- William Mahoney's National Provider Identifier (NPI) is 1639323298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mahoney's specialty?
- William Mahoney is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Mahoney located?
- William Mahoney's practice location on file with NPPES is 40 Shattuck Rd Ste 250, Andover, MA 01810-2492.
- What is William Mahoney's phone number?
- The practice phone number listed in the NPPES registry for William Mahoney is (603) 505-6847.
- Does William Mahoney accept Medicare?
- William Mahoney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mahoney's NPI active?
- Yes — William Mahoney's NPI (1639323298) is active in the NPPES registry as of the last update on 2024-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.