John Clarke
NPI 1831597830 · Rehabilitation Practitioner · Commerce, CA
John Clarke is a Rehabilitation Practitioner provider in Commerce, CA (NPI 1831597830).
Provider details
- NPI number
- 1831597830
- Entity type
- Individual
- Primary specialty
- Rehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
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
11 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
- 2014-12-08
- Last updated
- 2014-12-08
Frequently asked questions
- What is John Clarke's NPI number?
- John Clarke's National Provider Identifier (NPI) is 1831597830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Clarke's specialty?
- John Clarke is listed in the NPPES registry with a primary specialty of Rehabilitation Practitioner (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Clarke located?
- John Clarke's practice location on file with NPPES is 6055 E Washington Blvd, Commerce, CA 90040-2449.
- What is John Clarke's phone number?
- The practice phone number listed in the NPPES registry for John Clarke is (323) 346-0960.
- Is John Clarke's NPI active?
- Yes — John Clarke's NPI (1831597830) is active in the NPPES registry as of the last update on 2014-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.