Warren Sayers
NPI 1346565199 · Addiction (Substance Use Disorder) Counselor · Chino, CA
Warren Sayers is a Addiction (Substance Use Disorder) Counselor provider in Chino, CA (NPI 1346565199).
Provider details
- NPI number
- 1346565199
- 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
16 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
- 2010-04-05
- Last updated
- 2010-04-05
Frequently asked questions
- What is Warren Sayers's NPI number?
- Warren Sayers's National Provider Identifier (NPI) is 1346565199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Sayers's specialty?
- Warren Sayers is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Warren Sayers located?
- Warren Sayers's practice location on file with NPPES is 5511 Riverside Dr, Chino, CA 91710-4302.
- What is Warren Sayers's phone number?
- The practice phone number listed in the NPPES registry for Warren Sayers is (909) 464-0400.
- Is Warren Sayers's NPI active?
- Yes — Warren Sayers's NPI (1346565199) is active in the NPPES registry as of the last update on 2010-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.