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Holly Sommerville
NPI 1831658475 · Behavior Technician · Fairfield, CA
Holly Sommerville is a Behavior Technician provider in Fairfield, CA (NPI 1831658475).
Provider details
- NPI number
- 1831658475
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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
744 Empire St Ste 160
Fairfield, CA 94533-5562
Phone: (707) 399-9413
Street-level locationGet directions
Mailing address
2730 Shadelands Dr Bldg 10
Walnut Creek, CA 94598-2538
Registry dates
- Enumerated
- 2019-03-13
- Last updated
- 2019-03-13
Frequently asked questions
- What is Holly Sommerville's NPI number?
- Holly Sommerville's National Provider Identifier (NPI) is 1831658475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Sommerville's specialty?
- Holly Sommerville is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Holly Sommerville located?
- Holly Sommerville's practice location on file with NPPES is 744 Empire St Ste 160, Fairfield, CA 94533-5562.
- What is Holly Sommerville's phone number?
- The practice phone number listed in the NPPES registry for Holly Sommerville is (707) 399-9413.
- Is Holly Sommerville's NPI active?
- Yes — Holly Sommerville's NPI (1831658475) is active in the NPPES registry as of the last update on 2019-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.