John Parker
NPI 1871879973 · Rehabilitation Practitioner · Altadena, CA
John Parker is a Rehabilitation Practitioner provider in Altadena, CA (NPI 1871879973).
Provider details
- NPI number
- 1871879973
- 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
14 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
- 2011-11-02
- Last updated
- 2011-11-02
Frequently asked questions
- What is John Parker's NPI number?
- John Parker's National Provider Identifier (NPI) is 1871879973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Parker's specialty?
- John Parker is listed in the NPPES registry with a primary specialty of Rehabilitation Practitioner (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Parker located?
- John Parker's practice location on file with NPPES is 2933 El Nido Dr, Altadena, CA 91001-4529.
- What is John Parker's phone number?
- The practice phone number listed in the NPPES registry for John Parker is (626) 395-7100.
- Is John Parker's NPI active?
- Yes — John Parker's NPI (1871879973) is active in the NPPES registry as of the last update on 2011-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.