Mariann Horvat, M.A.
NPI 1114110913 · Mental Health Counselor · Hampton Bays, NY
Mariann Horvat, M.A. is a Mental Health Counselor provider in Hampton Bays, NY (NPI 1114110913).
Provider details
- NPI number
- 1114110913
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- M.A.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 003050 (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
18 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
- 2007-08-24
- Last updated
- 2007-08-24
Frequently asked questions
- What is Mariann Horvat's NPI number?
- Mariann Horvat's National Provider Identifier (NPI) is 1114110913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariann Horvat's specialty?
- Mariann Horvat is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mariann Horvat located?
- Mariann Horvat's practice location on file with NPPES is 60 Kyle Rd, Hampton Bays, NY 11946-2678.
- What is Mariann Horvat's phone number?
- The practice phone number listed in the NPPES registry for Mariann Horvat is (631) 728-8078.
- Is Mariann Horvat's NPI active?
- Yes — Mariann Horvat's NPI (1114110913) is active in the NPPES registry as of the last update on 2007-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.