Michael Lonergan, LMHC
NPI 1366459117 · Mental Health Counselor · Smithtown, NY
Michael Lonergan, LMHC is a Mental Health Counselor provider in Smithtown, NY (NPI 1366459117).
Provider details
- NPI number
- 1366459117
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 18000094 (NY)
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
- 2006-08-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Lonergan's NPI number?
- Michael Lonergan's National Provider Identifier (NPI) is 1366459117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Lonergan's specialty?
- Michael Lonergan is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Michael Lonergan located?
- Michael Lonergan's practice location on file with NPPES is 1 W Main St, Smithtown, NY 11787-2629.
- What is Michael Lonergan's phone number?
- The practice phone number listed in the NPPES registry for Michael Lonergan is (631) 979-9266.
- Is Michael Lonergan's NPI active?
- Yes — Michael Lonergan's NPI (1366459117) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.