Great Horizons, L.c.s.w., Inc.
NPI 1831365055 · Clinical Social Worker · Whittier, CA
Great Horizons, L.c.s.w., Inc. is a Clinical Social Worker organization in Whittier, CA (NPI 1831365055).
Provider details
- NPI number
- 1831365055
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Monte Greenspan, President(562) 693-2910
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
- 2008-05-07
- Last updated
- 2011-10-05
Frequently asked questions
- What is Great Horizons, L.c.s.w., Inc.'s NPI number?
- Great Horizons, L.c.s.w., Inc.'s National Provider Identifier (NPI) is 1831365055, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Great Horizons, L.c.s.w., Inc.?
- Great Horizons, L.c.s.w., Inc. is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Great Horizons, L.c.s.w., Inc. located?
- Great Horizons, L.c.s.w., Inc.'s practice location on file with NPPES is 13112 Hadley St Ste 106a, Whittier, CA 90601-4583.
- What is Great Horizons, L.c.s.w., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Great Horizons, L.c.s.w., Inc. is (562) 693-2910.
- Who is the authorized official for Great Horizons, L.c.s.w., Inc.?
- The authorized official listed on Great Horizons, L.c.s.w., Inc.'s NPPES record is Monte Greenspan, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Great Horizons, L.c.s.w., Inc.'s NPI active?
- Yes — Great Horizons, L.c.s.w., Inc.'s NPI (1831365055) is active in the NPPES registry as of the last update on 2011-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.