Debra Brennan
NPI 1538709217 · Addiction (Substance Use Disorder) Counselor · Riverside, CA
Debra Brennan is a Addiction (Substance Use Disorder) Counselor provider in Riverside, CA (NPI 1538709217).
Provider details
- NPI number
- 1538709217
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- CI27540619 (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
- 2020-01-10
- Last updated
- 2020-01-10
- Certified
- 2020-01-10
Frequently asked questions
- What is Debra Brennan's NPI number?
- Debra Brennan's National Provider Identifier (NPI) is 1538709217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Debra Brennan's specialty?
- Debra Brennan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Debra Brennan located?
- Debra Brennan's practice location on file with NPPES is 5870 Arlington Ave, Riverside, CA 92504-2037.
- What is Debra Brennan's phone number?
- The practice phone number listed in the NPPES registry for Debra Brennan is (951) 683-6596.
- Is Debra Brennan's NPI active?
- Yes — Debra Brennan's NPI (1538709217) is active in the NPPES registry as of the last update on 2020-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.