James Weaver
NPI 1598104143 · Marriage & Family Therapist · Sebastopol, CA
James Weaver is a Marriage & Family Therapist provider in Sebastopol, CA (NPI 1598104143).
Provider details
- NPI number
- 1598104143
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- IMF 73064 (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
13 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
- 2013-06-17
- Last updated
- 2015-08-17
Frequently asked questions
- What is James Weaver's NPI number?
- James Weaver's National Provider Identifier (NPI) is 1598104143, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Weaver's specialty?
- James Weaver is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is James Weaver located?
- James Weaver's practice location on file with NPPES is 1800 Gravenstein Hwy N, Sebastopol, CA 95472-2607.
- What is James Weaver's phone number?
- The practice phone number listed in the NPPES registry for James Weaver is (707) 823-7300.
- Is James Weaver's NPI active?
- Yes — James Weaver's NPI (1598104143) is active in the NPPES registry as of the last update on 2015-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.