OLIVIA DEMPSTER - NPI 1265315618 - Nurse Practitioner in Saint Helena, CA

Q: What is Olivia Dempster's NPI number?

The NPI number for Olivia Dempster is 1265315618. It was assigned to this individual provider in the NPPES registry on July 30, 2025.

Q: What is Olivia Dempster's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Olivia Dempster was last updated on March 16, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

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About Olivia Dempster NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OLIVIA DEMPSTER (NPI 1265315618) is an individual family provider in Saint Helena, California, licensed in California (95035827) and active in the NPI registry since July 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1265315618

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameOLIVIA DEMPSTER

Location Address1222 PINE ST STE ASaint Helena, CA 94574-1830

Mailing Address195 41st St Unit 11321Oakland, CA 94611-7012 · (707) 968-7645

Phone(866) 268-4489

Fax(707) 259-1779

Sole ProprietorNo

Medical School CMSOtherGraduated 2025

Enumeration DateJuly 30, 2025

Last NPPES UpdateMarch 16, 2026

NPPES CertifiedMarch 16, 2026

✔ NPI 1265315618 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CA · 95035827

1222 PINE ST STE A, Saint Helena, CA 94574

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Olivia Dempster is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8224516364

PECOS Enrollment IDI20260130001778

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94574 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$98.97 typical visit price

range $65.08 – $192.16

Typical copayment $24.74 (range $16.27 – $48.04)

Most-billed visit code 99203

Established Patient

$113.15 typical visit price

range $21.86 – $157.83

Typical copayment $28.28 (range $5.46 – $39.45)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TIMOTHY F DOWLING DO

Family Medicine