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

Geriatric Medicine

Jonathan Y. Lyu, DO

Sees patients in Bellflower, CA · California

Summary

Jonathan Y. Lyu, DO (Geriatric Medicine) is enrolled with Medicare at 2 practice locations in Bellflower, CA. NPI 1447888698. 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 Jonathan Y. Lyu, 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

Geriatric MedicinePrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
Arizona College Of Osteopathic Medicine Mid Western UniversityMedical school
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Jonathan Y. Lyu see patients?
Medicare's clinician data lists 2 practice locations, including Bellflower, CA. Call before your visit to confirm the address.
What is Jonathan Y. Lyu's specialty?
Medicare lists Geriatric Medicine as the primary specialty.
Does Jonathan Y. Lyu accept Medicare assignment?
Yes. Medicare's clinician data says Jonathan Y. Lyu 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 Jonathan Y. Lyu?
(562) 461-3000, as listed in official Medicare / NPI Registry data.
What is Jonathan Y. Lyu's NPI number?
1447888698. 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 Jonathan Y. Lyu is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jonathan Y. Lyu 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 Geriatric Medicine doctors in California →

Other geriatricians in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All geriatricians in California →

Clinician information

CredentialDO
Medical schoolArizona College Of Osteopathic Medicine Mid Western University
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447888698
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