John Mahoney, LCMHC
NPI 1669711743 · Mental Health Counselor · Manchester, NH
John Mahoney, LCMHC is a Mental Health Counselor provider in Manchester, NH (NPI 1669711743).
Provider details
- NPI number
- 1669711743
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LCMHC
- Sex
- Male
- Sole proprietor
- No
- License
- 947 (NH)
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
13 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
- 2013-02-08
- Last updated
- 2013-02-14
Frequently asked questions
- What is John Mahoney's NPI number?
- John Mahoney's National Provider Identifier (NPI) is 1669711743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mahoney's specialty?
- John Mahoney is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John Mahoney located?
- John Mahoney's practice location on file with NPPES is 325 Franklin St, Manchester, NH 03101-1904.
- What is John Mahoney's phone number?
- The practice phone number listed in the NPPES registry for John Mahoney is (603) 624-4717.
- Is John Mahoney's NPI active?
- Yes — John Mahoney's NPI (1669711743) is active in the NPPES registry as of the last update on 2013-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.