Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Diagnostic Radiology

Ellen Clark, DO

Works at hospitals in Oakland, CA · California

Summary

Ellen Clark, DO (Diagnostic Radiology) is listed by Medicare at 1 hospital in Oakland, CA. NPI 1174083596. 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 Ellen Clark, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
University Of New England, College Of Osteo MedicineMedical school
FemaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Which hospitals does Ellen Clark work at?
Medicare's official clinician data lists Ellen Clark at 1 hospital: Kaiser Foundation Hospital - Oakland/Richmond. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ellen Clark see patients?
Medicare's clinician data lists 1 practice location in Oakland, CA. Call before your visit to confirm the address.
What is Ellen Clark's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Ellen Clark accept Medicare assignment?
Yes. Medicare's clinician data says Ellen Clark 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 Ellen Clark?
(510) 752-1000, as listed in official Medicare / NPI Registry data.
What is Ellen Clark's NPI number?
1174083596. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ellen Clark works

Medicare's Facility Affiliation Data lists Ellen Clark 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 Ellen Clark is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Oakland

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

All radiologists in Oakland →

Clinician information

CredentialDO
Medical schoolUniversity Of New England, College Of Osteo Medicine
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174083596
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