Corey Hardiman, RN
NPI 1215420856 · Psychiatric/Mental Health Registered Nurse · W Brentwood, NY
Corey Hardiman, RN is a Psychiatric/Mental Health Registered Nurse provider in W Brentwood, NY (NPI 1215420856).
Provider details
- NPI number
- 1215420856
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- Yes
- License
- 499048 (NY)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2018-06-08
- Last updated
- 2018-06-08
Frequently asked questions
- What is Corey Hardiman's NPI number?
- Corey Hardiman's National Provider Identifier (NPI) is 1215420856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Corey Hardiman's specialty?
- Corey Hardiman is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Corey Hardiman located?
- Corey Hardiman's practice location on file with NPPES is 998 Crooked Hill Rd, W Brentwood, NY 11717-1019.
- What is Corey Hardiman's phone number?
- The practice phone number listed in the NPPES registry for Corey Hardiman is (631) 761-2288.
- Is Corey Hardiman's NPI active?
- Yes — Corey Hardiman's NPI (1215420856) is active in the NPPES registry as of the last update on 2018-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.