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Otolaryngology

John M. Roesler, MD

Sees patients in Calabasas, CA · California

Summary

John M. Roesler, MD (Otolaryngology) is enrolled with Medicare at 1 practice location in Calabasas, CA. NPI 1124037635. 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 John M. Roesler, 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
28Years since medical school (graduated 1998)
University Of California, Geffen School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does John M. Roesler see patients?
Medicare's clinician data lists 1 practice location in Calabasas, CA. Call before your visit to confirm the address.
What is John M. Roesler's specialty?
Medicare lists Otolaryngology as the primary specialty.
Does John M. Roesler accept Medicare assignment?
Yes. Medicare's clinician data says John M. Roesler 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 John M. Roesler?
(818) 609-7200, as listed in official Medicare / NPI Registry data.
What is John M. Roesler's NPI number?
1124037635. 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 John M. Roesler 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
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124037635
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