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Medical Oncology

Ricardo T. Spielberger, MD

Sees patients in Los Angeles, CA · California

Summary

Dr. Ricardo T. Spielberger, MD is an oncologist at 4725 -4733 Sunset Blvd, Los Angeles, CA 90027. Phone: (323) 783-4011. Accepts Medicare assignment. NPI 1841359429. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Oncologist (Medicare lists Medical Oncology)
  • Address: 4725 -4733 Sunset Blvd, Los Angeles, CA 90027 · Directions (2 more locations)
  • Phone: (323) 783‑4011
  • Medicare: Accepts Medicare assignment
  • Group practice: Southern California Permanente Medical Group
  • Medical school: graduated 1985 (41 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ricardo T. Spielberger, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ricardo T. Spielberger accept Medicare assignment?
Yes. Medicare's clinician data says Ricardo T. Spielberger accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Ricardo T. Spielberger's NPI number?
1841359429. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Ricardo T. Spielberger is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ricardo T. Spielberger as a member of this group (CMS data updated October 2, 2026).

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

Specialties

Find other Medical Oncology doctors in California →

Other oncologists in Los Angeles

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

All oncologists in Los Angeles →

Other clinicians in Southern California Permanente Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841359429
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians