IndividualActive
James Gessner, ADDICTION SPECIALIST
NPI 1225199227 · Addiction (Substance Use Disorder) Counselor · Clearlake, CA
Provider details
- NPI number
- 1225199227
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- ADDICTION SPECIALIST
- Sex
- Male
- Sole proprietor
- Yes
- License
- G0402270902 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
7000 South Center Dr
Clearlake, CA 95422-7000
Phone: (707) 994-6414
Street-level locationGet directions
Mailing address
9555 Chippewa Trail
Kelseyville, CA 95451-9555
Registry dates
- Enumerated
- 2006-12-13
- Last updated
- 2007-07-08
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.