Clarence Harrison
NPI 1497139232 · Rehabilitation Practitioner · Concord, CA
Clarence Harrison is a Rehabilitation Practitioner provider in Concord, CA (NPI 1497139232).
Provider details
- NPI number
- 1497139232
- 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
10 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
- 2015-07-10
- Last updated
- 2025-04-30
- Certified
- 2025-04-30
Frequently asked questions
- What is Clarence Harrison's NPI number?
- Clarence Harrison's National Provider Identifier (NPI) is 1497139232, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clarence Harrison's specialty?
- Clarence Harrison is listed in the NPPES registry with a primary specialty of Rehabilitation Practitioner (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Clarence Harrison located?
- Clarence Harrison's practice location on file with NPPES is 1200 Concord Ave Ste 450, Concord, CA 94520-4959.
- What is Clarence Harrison's phone number?
- The practice phone number listed in the NPPES registry for Clarence Harrison is (925) 933-2627.
- Is Clarence Harrison's NPI active?
- Yes — Clarence Harrison's NPI (1497139232) is active in the NPPES registry as of the last update on 2025-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.