William Rives, MA, MFT
NPI 1104582527 · Marriage & Family Therapist · Los Angeles, CA
William Rives, MA, MFT is a Marriage & Family Therapist provider in Los Angeles, CA (NPI 1104582527).
Provider details
- NPI number
- 1104582527
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MA, MFT
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
- Rehabilitation Practitioner225400000X
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
4 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
- 2021-11-10
- Last updated
- 2022-06-03
- Certified
- 2022-06-03
Frequently asked questions
- What is William Rives's NPI number?
- William Rives's National Provider Identifier (NPI) is 1104582527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Rives's specialty?
- William Rives is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Rives located?
- William Rives's practice location on file with NPPES is 3787 S Vermont Ave, Los Angeles, CA 90007-4203.
- What is William Rives's phone number?
- The practice phone number listed in the NPPES registry for William Rives is (323) 766-2345.
- Is William Rives's NPI active?
- Yes — William Rives's NPI (1104582527) is active in the NPPES registry as of the last update on 2022-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.