IndividualActive
Darren Smallen, LCSW
NPI 1821369604 · Clinical Social Worker · Ukiah, CA
Darren Smallen, LCSW is a Clinical Social Worker provider in Ukiah, CA (NPI 1821369604).
Provider details
- NPI number
- 1821369604
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 21945 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
747 South State Street
Mendicino County
Ukiah, CA 95482
Phone: (707) 533-3793
Street-level locationGet directions
Mailing address
Po Box 951
Lower Lake, CA 95457-0951
Registry dates
- Enumerated
- 2012-01-25
- Last updated
- 2012-01-25
Frequently asked questions
- What is Darren Smallen's NPI number?
- Darren Smallen's National Provider Identifier (NPI) is 1821369604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darren Smallen's specialty?
- Darren Smallen is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Darren Smallen located?
- Darren Smallen's practice location on file with NPPES is 747 South State Street, Ukiah, CA 95482.
- What is Darren Smallen's phone number?
- The practice phone number listed in the NPPES registry for Darren Smallen is (707) 533-3793.
- Is Darren Smallen's NPI active?
- Yes — Darren Smallen's NPI (1821369604) is active in the NPPES registry as of the last update on 2012-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.