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Medical Oncology

Leah Naghi, MD

Sees patients in Duarte, CA · California

Summary

Dr. Leah Naghi, MD is an oncologist at 1500 Duarte Rd, Duarte, CA 91010. Phone: (626) 256-4673. Accepts Medicare assignment. In 2024, Leah Naghi had 28 Original Medicare patients and 80 services. NPI 1215433958. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Oncologist (Medicare lists Medical Oncology)
  • Address: 1500 Duarte Rd, Duarte, CA 91010 · Directions
  • Phone: (626) 256‑4673
  • Medicare: Accepts Medicare assignment
  • Group practice: City of Hope Medical Foundation
  • Medical school: graduated 2018 (8 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Leah Naghi, 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 Leah Naghi accept Medicare assignment?
Yes. Medicare's clinician data says Leah Naghi 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 Leah Naghi see?
In 2024, CMS data shows 28 Original Medicare patients and 80 services for Leah Naghi. This counts Original Medicare only and measures volume, not quality.
What is Leah Naghi's NPI number?
1215433958. 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 Leah Naghi, 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 patients28
Services billed to Medicare80
Different services or procedures10
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)24 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).

  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • High cholesterol64%
  • High blood pressure57%
  • Anxiety43%

Practice locations

Addresses where Leah Naghi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Leah Naghi as a member of this group (CMS data updated October 2, 2026).

  • City of Hope Medical Foundation982 clinicians in the group

Specialties

Find other Medical Oncology doctors in California →

Other oncologists in Duarte

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

All oncologists in Duarte →

Other clinicians in City of Hope Medical Foundation

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

Clinician information

CredentialMD
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1215433958
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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