Joyce Christopher
NPI 1891356309 · Addiction (Substance Use Disorder) Counselor · Riverside, CA
Joyce Christopher is a Addiction (Substance Use Disorder) Counselor provider in Riverside, CA (NPI 1891356309).
Provider details
- NPI number
- 1891356309
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RI349970619 (CA)
Specialties & taxonomies
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
6 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
- 2019-06-25
- Last updated
- 2019-06-25
Frequently asked questions
- What is Joyce Christopher's NPI number?
- Joyce Christopher's National Provider Identifier (NPI) is 1891356309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joyce Christopher's specialty?
- Joyce Christopher is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Joyce Christopher located?
- Joyce Christopher's practice location on file with NPPES is 4295 Brockton Ave, Riverside, CA 92501-3446.
- What is Joyce Christopher's phone number?
- The practice phone number listed in the NPPES registry for Joyce Christopher is (951) 683-6596.
- Is Joyce Christopher's NPI active?
- Yes — Joyce Christopher's NPI (1891356309) is active in the NPPES registry as of the last update on 2019-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.