Greg Mahoney, LCSW
NPI 1740506658 · Clinical Social Worker · Hicksville, NY
Greg Mahoney, LCSW is a Clinical Social Worker provider in Hicksville, NY (NPI 1740506658).
Provider details
- NPI number
- 1740506658
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 080921 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
16 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
- 2010-04-16
- Last updated
- 2015-07-31
Frequently asked questions
- What is Greg Mahoney's NPI number?
- Greg Mahoney's National Provider Identifier (NPI) is 1740506658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greg Mahoney's specialty?
- Greg Mahoney is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Greg Mahoney located?
- Greg Mahoney's practice location on file with NPPES is 950 S Oyster Bay Rd, Hicksville, NY 11801-3510.
- What is Greg Mahoney's phone number?
- The practice phone number listed in the NPPES registry for Greg Mahoney is (516) 822-6111.
- Is Greg Mahoney's NPI active?
- Yes — Greg Mahoney's NPI (1740506658) is active in the NPPES registry as of the last update on 2015-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.