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

Orthopedic Surgery

David Thordarson, MD

Works at hospitals in Los Angeles, CA · Mission Viejo, CA · California

Summary

David Thordarson, MD (Orthopedic Surgery) is listed by Medicare at 2 hospitals in Los Angeles, CA and Mission Viejo, CA. NPI 1457363798. 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 David Thordarson, 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

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
42Years since medical school (graduated 1984)
University Of California, Geffen School Of MedicineMedical school
MaleGender (as listed)
Cedars-Sinai Medical CenterGroup practice

Quick answers

Which hospitals does David Thordarson work at?
Medicare's official clinician data lists David Thordarson at 2 hospitals: Cedars-Sinai Medical Center and Providence Mission Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David Thordarson see patients?
Medicare's clinician data lists 1 practice location in West Hollywood, CA. Call before your visit to confirm the address.
What is David Thordarson's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does David Thordarson accept Medicare assignment?
Yes. Medicare's clinician data says David Thordarson 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 David Thordarson offer telehealth?
Medicare's clinician data says David Thordarson offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for David Thordarson?
(310) 423-3277, as listed in official Medicare / NPI Registry data.
What is David Thordarson's NPI number?
1457363798. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where David Thordarson works

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

Group practices

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

  • Cedars-Sinai Medical Center799 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in West Hollywood

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

All orthopedic surgeons in West Hollywood →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year1984
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1457363798
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