Four Rivers Management Corporation
NPI 1184871659 · Skilled Nursing Facility · Los Angeles, CA
Enrolled with Medicare as Part a Provider - Skilled Nursing Facility · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Four Rivers Management Corporation is a Skilled Nursing Facility organization in Los Angeles, CA (NPI 1184871659).
Provider details
- NPI number
- 1184871659
- Entity type
- Organization
- Primary specialty
- Skilled Nursing FacilityNursing & Custodial Care Facilities
- Organization subpart
- No
- Authorized official
- Matthew Karp, President & Ceo(818) 821-3897
Specialties & taxonomies
Nursing & Custodial Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Other names (DBA / former)
- Doing business as
- Angels Nursing Health Center
Registry dates
- Enumerated
- 2008-08-26
- Last updated
- 2013-12-05
Frequently asked questions
- What is Four Rivers Management Corporation's NPI number?
- Four Rivers Management Corporation's National Provider Identifier (NPI) is 1184871659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Four Rivers Management Corporation?
- Four Rivers Management Corporation is classified in the NPPES registry as Skilled Nursing Facility (Nursing & Custodial Care Facilities).
- Where is Four Rivers Management Corporation located?
- Four Rivers Management Corporation's practice location on file with NPPES is 415 S Union Ave, Los Angeles, CA 90017-1007.
- What is Four Rivers Management Corporation's phone number?
- The practice phone number listed in the NPPES registry for Four Rivers Management Corporation is (213) 484-0784.
- Does Four Rivers Management Corporation accept Medicare?
- Four Rivers Management Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Four Rivers Management Corporation?
- The authorized official listed on Four Rivers Management Corporation's NPPES record is Matthew Karp, President & Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Four Rivers Management Corporation's NPI active?
- Yes — Four Rivers Management Corporation's NPI (1184871659) is active in the NPPES registry as of the last update on 2013-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.