What is Alexander Horelick's NPI number?

Alexander Horelick's National Provider Identifier (NPI) is 1538568613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Alexander Horelick's specialty?

Alexander Horelick is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Alexander Horelick located?

Alexander Horelick's practice location on file with NPPES is 275 North St, Harrison, NY 10528-1140.

What is Alexander Horelick's phone number?

The practice phone number listed in the NPPES registry for Alexander Horelick is (914) 925-5309.

Is Alexander Horelick's NPI active?

Yes — Alexander Horelick's NPI (1538568613) is active in the NPPES registry as of the last update on 2015-05-20.

IndividualActive

Alexander Horelick, LMSW, CASAC

NPI 1538568613 · Social Worker · Harrison, NY

Alexander Horelick, LMSW, CASAC is a Social Worker provider in Harrison, NY (NPI 1538568613).

Provider details

NPI number: 1538568613
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LMSW, CASAC
Sex: Male
Sole proprietor: No
License: 092901 (NY)

Practice location

275 North St

Harrison, NY 10528-1140

Phone: (914) 925-5309

Approximate (ZIP-level) locationGet directions

More NY providers

Mailing address

275 North St

Harrison, NY 10528-1140

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 092901 (NY)
Behavioral Health & Social Service Providers
Addiction (Substance Use Disorder) Counselor101YA0400XLicense 30240 (NY)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(76/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
12 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.

Enumerated: 2014-08-14
Last updated: 2015-05-20

Frequently asked questions

What is Alexander Horelick's NPI number?: Alexander Horelick's National Provider Identifier (NPI) is 1538568613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Alexander Horelick's specialty?: Alexander Horelick is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
Where is Alexander Horelick located?: Alexander Horelick's practice location on file with NPPES is 275 North St, Harrison, NY 10528-1140.
What is Alexander Horelick's phone number?: The practice phone number listed in the NPPES registry for Alexander Horelick is (914) 925-5309.
Is Alexander Horelick's NPI active?: Yes — Alexander Horelick's NPI (1538568613) is active in the NPPES registry as of the last update on 2015-05-20.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions