Leonard Williamson, RADT
NPI 1902461809 · Case Manager/Care Coordinator · Indio, CA
Leonard Williamson, RADT is a Case Manager/Care Coordinator provider in Indio, CA (NPI 1902461809).
Provider details
- NPI number
- 1902461809
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Credential
- RADT
- Sex
- Male
- Sole proprietor
- No
- License
- R1316270718 (CA)
Specialties & taxonomies
Other Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
Registry dates
- Enumerated
- 2019-05-06
- Last updated
- 2019-12-16
- Certified
- 2019-12-16
Frequently asked questions
- What is Leonard Williamson's NPI number?
- Leonard Williamson's National Provider Identifier (NPI) is 1902461809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Williamson's specialty?
- Leonard Williamson is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Leonard Williamson located?
- Leonard Williamson's practice location on file with NPPES is 81557 Dr Carreon Blvd Ste C9, Indio, CA 92201-5562.
- What is Leonard Williamson's phone number?
- The practice phone number listed in the NPPES registry for Leonard Williamson is (760) 391-6999.
- Is Leonard Williamson's NPI active?
- Yes — Leonard Williamson's NPI (1902461809) is active in the NPPES registry as of the last update on 2019-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.