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Diagnostic Radiology

Geeta V. Iyengar, MD

Works at hospitals in Santa Monica, CA · California

Summary

Dr. Geeta V. Iyengar, MD is a radiologist at 2475 N Garey Ave, Pomona, CA 91767. Phone: (909) 622-3166. Accepts Medicare assignment. In 2024, Geeta V. Iyengar had 1,228 Original Medicare patients and 11,783 services. NPI 1821033622. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 2475 N Garey Ave, Pomona, CA 91767 · Directions (1 more location)
  • Phone: (909) 622‑3166
  • Medicare: Accepts Medicare assignment
  • Hospital: Saint John's Health Center
  • Group practice: Medical Imaging Center of Southern California (+1 more)
  • Medical school: graduated 1989 (37 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Geeta V. 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 Geeta V. Iyengar accept Medicare assignment?
Yes. Medicare's clinician data says Geeta V. Iyengar 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.
How many Medicare patients does Geeta V. Iyengar see?
In 2024, CMS data shows 1,228 Original Medicare patients and 11,783 services for Geeta V. Iyengar. This counts Original Medicare only and measures volume, not quality.
What is Geeta V. Iyengar's NPI number?
1821033622. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Geeta V. Iyengar, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients1,228
Services billed to Medicare11,783
Different services or procedures20
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Injection, gadoterate meglumine, 0.1 ml (A9575)9,050 services
  2. Screening mammography (77067)1,056 services
  3. Screening 3d breast mammography (77063)836 services
  4. Complete ultrasound scan of 1 breast (76641)402 services
  5. Diagnostic mammography of both breasts (77066)84 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol74%
  • High blood pressure53%
  • Arthritis47%
  • Osteoporosis28%
  • Diabetes23%
  • Ischemic heart disease22%

Hospitals where Geeta V. Iyengar works

Medicare's Facility Affiliation Data lists Geeta V. Iyengar at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Geeta V. Iyengar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Geeta V. Iyengar as a member of these groups (CMS data updated October 2, 2026).

  • Medical Imaging Center of Southern California7 clinicians in the group
  • Alinea Imaging Associates Inc5 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Pomona

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

All radiologists in Pomona →

Other clinicians in Medical Imaging Center of Southern California

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

Clinician information

CredentialMD
Graduation year1989 (37 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821033622
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians