IndividualActive
Judith Sill, PHD
NPI 1881740025 · Psychologist · Mendocino, CA
Judith Sill, PHD is a Psychologist provider in Mendocino, CA (NPI 1881740025).
Provider details
- NPI number
- 1881740025
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY 7543 (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
45121 Ukiah Street
Suite G
Mendocino, CA 95460
Phone: (707) 937-3000
Fax: (707) 937-3373
Street-level locationGet directions
Mailing address
Po Box 65
Elk, CA 95432-0065
Registry dates
- Enumerated
- 2007-01-27
- Last updated
- 2013-12-13
Frequently asked questions
- What is Judith Sill's NPI number?
- Judith Sill's National Provider Identifier (NPI) is 1881740025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Judith Sill's specialty?
- Judith Sill is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Judith Sill located?
- Judith Sill's practice location on file with NPPES is 45121 Ukiah Street, Mendocino, CA 95460.
- What is Judith Sill's phone number?
- The practice phone number listed in the NPPES registry for Judith Sill is (707) 937-3000.
- Is Judith Sill's NPI active?
- Yes — Judith Sill's NPI (1881740025) is active in the NPPES registry as of the last update on 2013-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.