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Cardiovascular Disease (Cardiology)

James S. Lee, MD

Works at hospitals in Valencia, CA · Los Angeles, CA · California

Summary

James S. Lee, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 2 hospitals in Valencia, CA and Los Angeles, CA. NPI 1205008950. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James S. Lee, 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

Cardiovascular Disease (Cardiology)Primary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
24Years since medical school (graduated 2002)
Loma Linda University School Of MedicineMedical school
MaleGender (as listed)
The Regents of the University of CaliforniaGroup practice (+1 more)

Quick answers

Which hospitals does James S. Lee work at?
Medicare's official clinician data lists James S. Lee at 2 hospitals: Henry Mayo Newhall Hospital and Ronald Reagan UCLA Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James S. Lee see patients?
Medicare's clinician data lists 6 practice locations, including Santa Monica, CA, Valencia, CA and Santa Clarita, CA. Call before your visit to confirm the address.
What is James S. Lee's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
Does James S. Lee accept Medicare assignment?
Medicare's clinician data says James S. Lee may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does James S. Lee offer telehealth?
Medicare's clinician data says James S. Lee offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for James S. Lee?
(310) 458-2381, as listed in official Medicare / NPI Registry data.
What is James S. Lee's NPI number?
1205008950. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James S. Lee works

Medicare's Facility Affiliation Data lists James S. Lee 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 James S. Lee is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists James S. Lee as a member of these groups (CMS data updated 2026-10-02).

  • The Regents of the University of California1,462 clinicians in the group
  • Henry Mayo Newhall Memorial Hospital18 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Santa Monica

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

All cardiologists in Santa Monica →

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year2002
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1205008950
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