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

Hospitalist

Ethan S. Lieberman, MD

Works at hospitals in Ventura, CA · California

Summary

Ethan S. Lieberman, MD (Hospitalist) is listed by Medicare at 1 hospital in Ventura, CA. NPI 1013650951. 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 Ethan S. Lieberman, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Which hospitals does Ethan S. Lieberman work at?
Medicare's official clinician data lists Ethan S. Lieberman at 1 hospital: Community Memorial Hospital - Ventura. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ethan S. Lieberman see patients?
Medicare's clinician data lists 1 practice location in Ventura, CA. Call before your visit to confirm the address.
What is Ethan S. Lieberman's specialty?
Medicare lists Hospitalist as the primary specialty.
Does Ethan S. Lieberman accept Medicare assignment?
Yes. Medicare's clinician data says Ethan S. Lieberman 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 Ethan S. Lieberman?
(805) 477-6400, as listed in official Medicare / NPI Registry data.
What is Ethan S. Lieberman's NPI number?
1013650951. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ethan S. Lieberman works

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

Group practices

Medicare enrollment lists Ethan S. Lieberman as a member of this group (CMS data updated 2026-10-02).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Hospitalist doctors in California →

Other hospitalists in Ventura

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

All hospitalists in Ventura →

Clinician information

CredentialMD
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013650951
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