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Family Practice

Christine Johnston, MD

Works at hospitals in Ventura, CA · California

Summary

Christine Johnston, MD (Family Practice) is listed by Medicare at 1 hospital in Ventura, CA. NPI 1386831188. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Christine Johnston, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
34Years since medical school (graduated 1992)
Oregon Health Sciences University School Of MedicineMedical school
FemaleGender (as listed)
Clinicas del Camino Real IncGroup practice

Quick answers

Which hospitals does Christine Johnston work at?
Medicare's official clinician data lists Christine Johnston at 1 hospital: Ventura County Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Christine Johnston see patients?
Medicare's clinician data lists 1 practice location in Santa Paula, CA. Call before your visit to confirm the address.
What is Christine Johnston's specialty?
Medicare lists Family Practice as the primary specialty.
Does Christine Johnston accept Medicare assignment?
Yes. Medicare's clinician data says Christine Johnston accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Christine Johnston?
(805) 933-0895, as listed in official Medicare / NPI Registry data.
What is Christine Johnston's NPI number?
1386831188. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Christine Johnston works

Medicare's Facility Affiliation Data lists Christine Johnston at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Christine Johnston is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Christine Johnston as a member of this group (CMS data updated 2026-10-02).

  • Clinicas del Camino Real Inc99 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Santa Paula

Clinicians with the same Medicare primary specialty in Santa Paula, CA — not a recommendation.

All family doctors in Santa Paula →

Clinician information

CredentialMD
Medical schoolOregon Health Sciences University School Of Medicine
Graduation year1992
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386831188
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians