James Duffy, MA
NPI 1912919127 · Mental Health Counselor · Nashua, NH
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Duffy, MA is a Mental Health Counselor provider in Nashua, NH (NPI 1912919127).
Provider details
- NPI number
- 1912919127
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MA
- Sex
- Male
- Sole proprietor
- No
- License
- 230 (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
19 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
- 2006-08-13
- Last updated
- 2024-12-04
- Certified
- 2024-12-04
Frequently asked questions
- What is James Duffy's NPI number?
- James Duffy's National Provider Identifier (NPI) is 1912919127, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Duffy's specialty?
- James Duffy is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is James Duffy located?
- James Duffy's practice location on file with NPPES is 30 Temple St Ste 650, Nashua, NH 03060-3483.
- What is James Duffy's phone number?
- The practice phone number listed in the NPPES registry for James Duffy is (603) 883-0005.
- Does James Duffy accept Medicare?
- James Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Duffy's NPI active?
- Yes — James Duffy's NPI (1912919127) is active in the NPPES registry as of the last update on 2024-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.