Derek Whittington, CATC IV
NPI 1811861941 · Addiction (Substance Use Disorder) Counselor · Santa Rosa, CA
Derek Whittington, CATC IV is a Addiction (Substance Use Disorder) Counselor provider in Santa Rosa, CA (NPI 1811861941).
Provider details
- NPI number
- 1811861941
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CATC IV
- Sex
- Male
- Sole proprietor
- No
- License
- 2114626 (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
Under 1 yr in 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
- 2025-10-01
- Last updated
- 2025-10-01
- Certified
- 2025-10-01
Frequently asked questions
- What is Derek Whittington's NPI number?
- Derek Whittington's National Provider Identifier (NPI) is 1811861941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Whittington's specialty?
- Derek Whittington is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Derek Whittington located?
- Derek Whittington's practice location on file with NPPES is 2901 Cleveland Ave Ste 101, Santa Rosa, CA 95403-2788.
- What is Derek Whittington's phone number?
- The practice phone number listed in the NPPES registry for Derek Whittington is (707) 308-4492.
- Is Derek Whittington's NPI active?
- Yes — Derek Whittington's NPI (1811861941) is active in the NPPES registry as of the last update on 2025-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.