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

Internal Medicine

Alexander Tyan, MD

Works at hospitals in Woodland Hills, CA · California

Summary

Alexander Tyan, MD (Internal Medicine) is listed by Medicare at 1 hospital in Woodland Hills, CA. NPI 1154784544. 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 Alexander Tyan, 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)
University Of Texas Southwestern Medical School At DallasMedical school
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Which hospitals does Alexander Tyan work at?
Medicare's official clinician data lists Alexander Tyan at 1 hospital: Kaiser Foundation Hospital - Woodland Hills. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alexander Tyan see patients?
Medicare's clinician data lists 1 practice location in Woodland Hills, CA. Call before your visit to confirm the address.
What is Alexander Tyan's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Endocrinology.
Does Alexander Tyan accept Medicare assignment?
Yes. Medicare's clinician data says Alexander Tyan 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 Alexander Tyan offer telehealth?
Medicare's clinician data says Alexander Tyan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Alexander Tyan?
(818) 719-2000, as listed in official Medicare / NPI Registry data.
What is Alexander Tyan's NPI number?
1154784544. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alexander Tyan works

Medicare's Facility Affiliation Data lists Alexander Tyan 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 Alexander Tyan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Alexander Tyan as a member of this group (CMS data updated 2026-10-02).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Woodland Hills

Clinicians with the same Medicare primary specialty in Woodland Hills, CA — not a recommendation.

All internal medicine doctors in Woodland Hills →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Southwestern Medical School At Dallas
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1154784544
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