Aviv Gruen
NPI 1487849659 · Rehabilitation Practitioner · Altadena, CA
Aviv Gruen is a Rehabilitation Practitioner provider in Altadena, CA (NPI 1487849659).
Provider details
- NPI number
- 1487849659
- Entity type
- Individual
- Primary specialty
- Rehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative 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
83% 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
- 2007-09-11
- Last updated
- 2007-09-11
Frequently asked questions
- What is Aviv Gruen's NPI number?
- Aviv Gruen's National Provider Identifier (NPI) is 1487849659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aviv Gruen's specialty?
- Aviv Gruen is listed in the NPPES registry with a primary specialty of Rehabilitation Practitioner (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Aviv Gruen located?
- Aviv Gruen's practice location on file with NPPES is 2933 El Nido Dr, Altadena, CA 91001-4529.
- What is Aviv Gruen's phone number?
- The practice phone number listed in the NPPES registry for Aviv Gruen is (626) 395-7100.
- Is Aviv Gruen's NPI active?
- Yes — Aviv Gruen's NPI (1487849659) is active in the NPPES registry as of the last update on 2007-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.