Massie Avant, RS
NPI 1174833818 · Addiction (Substance Use Disorder) Counselor · Riverside, CA
Massie Avant, RS is a Addiction (Substance Use Disorder) Counselor provider in Riverside, CA (NPI 1174833818).
Provider details
- NPI number
- 1174833818
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- RS
- Sex
- Male
- Sole proprietor
- Yes
- License
- RS6036 (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
15 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
- 2010-10-15
- Last updated
- 2025-09-23
- Certified
- 2025-09-23
Frequently asked questions
- What is Massie Avant's NPI number?
- Massie Avant's National Provider Identifier (NPI) is 1174833818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Massie Avant's specialty?
- Massie Avant is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Massie Avant located?
- Massie Avant's practice location on file with NPPES is 4440 University Ave, Riverside, CA 92501-3199.
- What is Massie Avant's phone number?
- The practice phone number listed in the NPPES registry for Massie Avant is (951) 683-6596.
- Is Massie Avant's NPI active?
- Yes — Massie Avant's NPI (1174833818) is active in the NPPES registry as of the last update on 2025-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.