Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Rheumatology

David A. Kellner, MD

Sees patients in Los Angeles, CA · Santa Monica, CA · California

Summary

David A. Kellner, MD (Rheumatology) is enrolled with Medicare at 7 practice locations in Los Angeles, CA and Santa Monica, CA. NPI 1902433840. 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 David A. Kellner, 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

RheumatologyPrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
University Of California, Geffen School Of MedicineMedical school
MaleGender (as listed)
The Regents of the University of CaliforniaGroup practice

Quick answers

Where does David A. Kellner see patients?
Medicare's clinician data lists 7 practice locations, including Los Angeles, CA and Santa Monica, CA. Call before your visit to confirm the address.
What is David A. Kellner's specialty?
Medicare lists Rheumatology as the primary specialty, and also Internal Medicine.
Does David A. Kellner accept Medicare assignment?
Yes. Medicare's clinician data says David A. Kellner 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 David A. Kellner?
(310) 825-7922, as listed in official Medicare / NPI Registry data.
What is David A. Kellner's NPI number?
1902433840. 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 David A. Kellner is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists David A. Kellner as a member of this group (CMS data updated 2026-10-02).

  • The Regents of the University of California1,462 clinicians in the group

Specialties

Find other Rheumatology doctors in California →

Other rheumatologists in Los Angeles

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

All rheumatologists in Los Angeles →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902433840
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