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Internal Medicine

Johnathan Kao, MD

Works at hospitals in Los Angeles, CA · Santa Monica, CA · California

Summary

Johnathan Kao, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Los Angeles, CA and Santa Monica, CA. NPI 1811358930. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Johnathan Kao, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
Michigan State University College Of Human MedicineMedical school
MaleGender (as listed)
The Regents of the University of CaliforniaGroup practice

Quick answers

Which hospitals does Johnathan Kao work at?
Medicare's official clinician data lists Johnathan Kao at 2 hospitals: Ronald Reagan UCLA Medical Center and Santa Monica - UCLA Med Ctr & Orthopaedic Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Johnathan Kao see patients?
Medicare's clinician data lists 3 practice locations, including Santa Monica, CA and Los Angeles, CA. Call before your visit to confirm the address.
What is Johnathan Kao's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
Does Johnathan Kao accept Medicare assignment?
Yes. Medicare's clinician data says Johnathan Kao 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.
Does Johnathan Kao offer telehealth?
Medicare's clinician data says Johnathan Kao offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Johnathan Kao?
(310) 458-2381, as listed in official Medicare / NPI Registry data.
What is Johnathan Kao's NPI number?
1811358930. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Johnathan Kao works

Medicare's Facility Affiliation Data lists Johnathan Kao at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Johnathan Kao is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Johnathan Kao 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 Internal Medicine doctors in California →

Other internal medicine doctors in Santa Monica

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

All internal medicine doctors in Santa Monica →

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1811358930
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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