Heather Mazursky-Horowitz
NPI 1801318753 · Clinical Psychologist · Larchmont, NY
Heather Mazursky-Horowitz is a Clinical Psychologist provider in Larchmont, NY (NPI 1801318753).
Provider details
- NPI number
- 1801318753
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 023299 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
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
- 2017-07-12
- Last updated
- 2022-09-20
- Certified
- 2022-09-20
Frequently asked questions
- What is Heather Mazursky-Horowitz's NPI number?
- Heather Mazursky-Horowitz's National Provider Identifier (NPI) is 1801318753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Mazursky-Horowitz's specialty?
- Heather Mazursky-Horowitz is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Heather Mazursky-Horowitz located?
- Heather Mazursky-Horowitz's practice location on file with NPPES is 4 Chatsworth Ave Ste 203, Larchmont, NY 10538-2946.
- What is Heather Mazursky-Horowitz's phone number?
- The practice phone number listed in the NPPES registry for Heather Mazursky-Horowitz is (914) 315-9445.
- Is Heather Mazursky-Horowitz's NPI active?
- Yes — Heather Mazursky-Horowitz's NPI (1801318753) is active in the NPPES registry as of the last update on 2022-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.