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Medical Oncology

Michael S. Oh, MD

Works at hospitals in Los Angeles, CA · Santa Monica, CA · California

Summary

Michael S. Oh, MD (Medical Oncology) is listed by Medicare at 2 hospitals in Los Angeles, CA and Santa Monica, CA. NPI 1285088187. 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 Michael S. Oh, 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

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
Yale University School Of MedicineMedical school
MaleGender (as listed)
The Regents of the University of CaliforniaGroup practice

Quick answers

Which hospitals does Michael S. Oh work at?
Medicare's official clinician data lists Michael S. Oh at 2 hospitals: Ronald Reagan UCLA Medical Center and Santa Monica - UCLA Med Ctr & Orthopaedic Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael S. Oh see patients?
Medicare's clinician data lists 1 practice location in Santa Monica, CA. Call before your visit to confirm the address.
What is Michael S. Oh's specialty?
Medicare lists Medical Oncology as the primary specialty, and also Internal Medicine.
Does Michael S. Oh accept Medicare assignment?
Yes. Medicare's clinician data says Michael S. Oh 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.
Does Michael S. Oh offer telehealth?
Medicare's clinician data says Michael S. Oh offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Michael S. Oh?
(310) 458-2381, as listed in official Medicare / NPI Registry data.
What is Michael S. Oh's NPI number?
1285088187. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael S. Oh works

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

Group practices

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

  • The Regents of the University of California1,462 clinicians in the group

Specialties

Find other Medical Oncology doctors in California →

Other oncologists in Santa Monica

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

All oncologists in Santa Monica →

Clinician information

CredentialMD
Medical schoolYale University School Of Medicine
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1285088187
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