Merrit Hartblay, CASAC
NPI 1497126247 · Addiction (Substance Use Disorder) Counselor · Great Neck, NY
Merrit Hartblay, CASAC is a Addiction (Substance Use Disorder) Counselor provider in Great Neck, NY (NPI 1497126247).
Provider details
- NPI number
- 1497126247
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CASAC
- Sex
- Male
- Sole proprietor
- No
- License
- 26067 (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
10 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
- 2015-10-19
- Last updated
- 2025-10-08
- Certified
- 2025-10-08
Frequently asked questions
- What is Merrit Hartblay's NPI number?
- Merrit Hartblay's National Provider Identifier (NPI) is 1497126247, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Merrit Hartblay's specialty?
- Merrit Hartblay is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Merrit Hartblay located?
- Merrit Hartblay's practice location on file with NPPES is 50 S Middle Neck Rd Apt 2b, Great Neck, NY 11021-3434.
- What is Merrit Hartblay's phone number?
- The practice phone number listed in the NPPES registry for Merrit Hartblay is (516) 852-8478.
- Is Merrit Hartblay's NPI active?
- Yes — Merrit Hartblay's NPI (1497126247) is active in the NPPES registry as of the last update on 2025-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.