What is James Duffy's NPI number?

James Duffy's National Provider Identifier (NPI) is 1194687079, 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 5000 Expressway Dr S, Holbrook, NY 11741-1814.

What is James Duffy's phone number?

The practice phone number listed in the NPPES registry for James Duffy is (631) 680-0930.

Is James Duffy's NPI active?

Yes — James Duffy's NPI (1194687079) is active in the NPPES registry as of the last update on 2025-11-28.

IndividualActive

James Duffy, LMHC-LP

NPI 1194687079 · Mental Health Counselor · Holbrook, NY

James Duffy, LMHC-LP is a Mental Health Counselor provider in Holbrook, NY (NPI 1194687079).

Provider details

NPI number: 1194687079
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Credential: LMHC-LP
Sex: Male
Sole proprietor: No
License: P137240 (NY)

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800XLicense P137240 (NY)
Behavioral Health & Social Service Providers

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

5000 Expressway Dr S

Holbrook, NY 11741-1814

Phone: (631) 680-0930

Approximate (ZIP-level) locationGet directions

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Mailing address