Olivia Dempster
NPI 1265315618 · Family Nurse Practitioner · Saint Helena, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olivia Dempster is a Family Nurse Practitioner provider in Saint Helena, CA (NPI 1265315618).
Provider details
- NPI number
- 1265315618
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 95035827 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
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
- 2025-07-30
- Last updated
- 2026-03-16
- Certified
- 2026-03-16
Frequently asked questions
- What is Olivia Dempster's NPI number?
- Olivia Dempster's National Provider Identifier (NPI) is 1265315618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Dempster's specialty?
- Olivia Dempster is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Olivia Dempster located?
- Olivia Dempster's practice location on file with NPPES is 1222 Pine St Ste a, Saint Helena, CA 94574-1830.
- What is Olivia Dempster's phone number?
- The practice phone number listed in the NPPES registry for Olivia Dempster is (866) 268-4489.
- Does Olivia Dempster accept Medicare?
- Olivia Dempster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olivia Dempster's NPI active?
- Yes — Olivia Dempster's NPI (1265315618) is active in the NPPES registry as of the last update on 2026-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.