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Hematology/Oncology

Siddharth K. Iyengar, MD

Sees patients in Menifee, CA · Los Angeles, CA · California

Summary

Dr. Siddharth K. Iyengar, MD is a hematologist-oncologist at 29170 Lido Bay Dr, Menifee, CA 92585. May accept Medicare assignment. NPI 1003376187. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 29170 Lido Bay Dr, Menifee, CA 92585 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • Medical school: University Of Miami, Lm Miller School Of Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Siddharth K. Iyengar, 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 Siddharth K. Iyengar accept Medicare assignment?
Medicare's clinician data says Siddharth K. Iyengar may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Siddharth K. Iyengar's NPI number?
1003376187. 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 Siddharth K. Iyengar is enrolled with Medicare (CMS data updated October 2, 2026).

  • 29170 Lido Bay DrMenifee, CA 92585
  • File, Suite 57326Los Angeles, CA 90074

Specialties

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All hematologist-oncologists in California →

Clinician information

CredentialMD
Medical schoolUniversity Of Miami, Lm Miller School Of Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1003376187
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