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Otolaryngology

Nader Kalantar, MD

Sees patients in San Dimas, CA · California

Summary

Nader Kalantar, MD (Otolaryngology) is enrolled with Medicare at 1 practice location in San Dimas, CA. NPI 1598854978. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Nader Kalantar, 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

OtolaryngologyPrimary specialty
YesAccepts Medicare assignment
20Years since medical school (graduated 2006)
MaleGender (as listed)

Quick answers

Where does Nader Kalantar see patients?
Medicare's clinician data lists 1 practice location in San Dimas, CA. Call before your visit to confirm the address.
What is Nader Kalantar's specialty?
Medicare lists Otolaryngology as the primary specialty.
Does Nader Kalantar accept Medicare assignment?
Yes. Medicare's clinician data says Nader Kalantar 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.
What is the phone number for Nader Kalantar?
(909) 592-2078, as listed in official Medicare / NPI Registry data.
What is Nader Kalantar's NPI number?
1598854978. 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 Nader Kalantar is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Otolaryngology doctors in California →

Other ENT doctors in California

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

All ENT doctors in California →

Clinician information

CredentialMD
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598854978
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 2026-10-02, retrieved 2026-10-29
  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