Eric Knowles
NPI 1215728712 · Addiction (Substance Use Disorder) Counselor · Los Angeles, CA
Eric Knowles is a Addiction (Substance Use Disorder) Counselor provider in Los Angeles, CA (NPI 1215728712).
Provider details
- NPI number
- 1215728712
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
1 yr 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
- 2025-05-14
- Last updated
- 2025-05-14
- Certified
- 2025-05-14
Frequently asked questions
- What is Eric Knowles's NPI number?
- Eric Knowles's National Provider Identifier (NPI) is 1215728712, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Knowles's specialty?
- Eric Knowles is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Eric Knowles located?
- Eric Knowles's practice location on file with NPPES is 3619 N Mission Rd, Los Angeles, CA 90031-3136.
- What is Eric Knowles's phone number?
- The practice phone number listed in the NPPES registry for Eric Knowles is (213) 721-0010.
- Is Eric Knowles's NPI active?
- Yes — Eric Knowles's NPI (1215728712) is active in the NPPES registry as of the last update on 2025-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.