John Castronova, PSYD; LMHC
NPI 1114172475 · Mental Health Counselor · Oyster Bay, NY
John Castronova, PSYD; LMHC is a Mental Health Counselor provider in Oyster Bay, NY (NPI 1114172475).
Provider details
- NPI number
- 1114172475
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- PSYD; LMHC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 000052-1 (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
17 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
- 2008-11-28
- Last updated
- 2008-11-28
Frequently asked questions
- What is John Castronova's NPI number?
- John Castronova's National Provider Identifier (NPI) is 1114172475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Castronova's specialty?
- John Castronova is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John Castronova located?
- John Castronova's practice location on file with NPPES is 97 Singworth St, Oyster Bay, NY 11771-3705.
- What is John Castronova's phone number?
- The practice phone number listed in the NPPES registry for John Castronova is (516) 802-5676.
- Is John Castronova's NPI active?
- Yes — John Castronova's NPI (1114172475) is active in the NPPES registry as of the last update on 2008-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.