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

Gastroenterology

Stephen Kim, MD

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

Summary

Stephen Kim, MD (Gastroenterology) is listed by Medicare at 2 hospitals in Los Angeles, CA and Santa Monica, CA. NPI 1215158829. 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 Stephen Kim, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
19Years since medical school (graduated 2007)
Tufts University School Of MedicineMedical school
MaleGender (as listed)
The Regents of the University of CaliforniaGroup practice

Quick answers

Which hospitals does Stephen Kim work at?
Medicare's official clinician data lists Stephen Kim 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 Stephen Kim see patients?
Medicare's clinician data lists 13 practice locations, including Los Angeles, CA, Santa Monica, CA and Valencia, CA. Call before your visit to confirm the address.
What is Stephen Kim's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Stephen Kim accept Medicare assignment?
Yes. Medicare's clinician data says Stephen Kim 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 Stephen Kim offer telehealth?
Medicare's clinician data says Stephen Kim offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Stephen Kim?
(310) 825-7922, as listed in official Medicare / NPI Registry data.
What is Stephen Kim's NPI number?
1215158829. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Stephen Kim works

Medicare's Facility Affiliation Data lists Stephen Kim 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 Stephen Kim is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 13; the Medicare profile lists all.

Group practices

Medicare enrollment lists Stephen Kim 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 Gastroenterology doctors in California →

Other gastroenterologists in Los Angeles

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

All gastroenterologists in Los Angeles →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2007
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1215158829
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