Heather Jefferies
NPI 1215818687 · Addiction (Substance Use Disorder) Counselor · Vacaville, CA
Heather Jefferies is a Addiction (Substance Use Disorder) Counselor provider in Vacaville, CA (NPI 1215818687).
Provider details
- NPI number
- 1215818687
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
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
Under 1 yr in 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
Mailing address
Registry dates
- Enumerated
- 2025-09-10
- Last updated
- 2025-09-10
- Certified
- 2025-09-10
Frequently asked questions
- What is Heather Jefferies's NPI number?
- Heather Jefferies's National Provider Identifier (NPI) is 1215818687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Jefferies's specialty?
- Heather Jefferies is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Heather Jefferies located?
- Heather Jefferies's practice location on file with NPPES is 600 Nut Tree Rd Ste 240, Vacaville, CA 95687-4686.
- What is Heather Jefferies's phone number?
- The practice phone number listed in the NPPES registry for Heather Jefferies is (707) 451-9703.
- Is Heather Jefferies's NPI active?
- Yes — Heather Jefferies's NPI (1215818687) is active in the NPPES registry as of the last update on 2025-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.