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Radiation Oncology

Ronny Kalash, DO

Sees patients in South Pasadena, CA · Sherman Oaks, CA · West Hills, CA · California

Summary

Ronny Kalash, DO (Radiation Oncology) is enrolled with Medicare at 3 practice locations in South Pasadena, CA, Sherman Oaks, CA and West Hills, CA. NPI 1811317175. 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 Ronny Kalash, 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

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
Lake Erie College Of Osteopathic Medicine, ErieMedical school
MaleGender (as listed)
City of Hope Medical FoundationGroup practice

Quick answers

Where does Ronny Kalash see patients?
Medicare's clinician data lists 3 practice locations, including South Pasadena, CA, Sherman Oaks, CA and West Hills, CA. Call before your visit to confirm the address.
What is Ronny Kalash's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Ronny Kalash accept Medicare assignment?
Yes. Medicare's clinician data says Ronny Kalash 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 Ronny Kalash?
(626) 396-2900, as listed in official Medicare / NPI Registry data.
What is Ronny Kalash's NPI number?
1811317175. 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 Ronny Kalash is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ronny Kalash as a member of this group (CMS data updated 2026-10-02).

  • City of Hope Medical Foundation982 clinicians in the group

Specialties

Find other Radiation Oncology doctors in California →

Other radiation oncologists in South Pasadena

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

All radiation oncologists in South Pasadena →

Clinician information

CredentialDO
Medical schoolLake Erie College Of Osteopathic Medicine, Erie
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811317175
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