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Endocrinology

Sako Chen, MD

Sees patients in Bellflower, CA · Downey, CA · California

Summary

Sako Chen, MD (Endocrinology) is enrolled with Medicare at 2 practice locations in Bellflower, CA and Downey, CA. NPI 1346350105. 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 Sako Chen, 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

EndocrinologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
27Years since medical school (graduated 1999)
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityMedical school
FemaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Sako Chen see patients?
Medicare's clinician data lists 2 practice locations, including Bellflower, CA and Downey, CA. Call before your visit to confirm the address.
What is Sako Chen's specialty?
Medicare lists Endocrinology as the primary specialty, and also Internal Medicine.
Does Sako Chen accept Medicare assignment?
Yes. Medicare's clinician data says Sako Chen 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 Sako Chen offer telehealth?
Medicare's clinician data says Sako Chen offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Sako Chen?
(562) 461-3000, as listed in official Medicare / NPI Registry data.
What is Sako Chen's NPI number?
1346350105. 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 Sako Chen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Sako Chen 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 Endocrinology doctors in California →

Other endocrinologists in California

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

All endocrinologists in California →

Clinician information

CredentialMD
Medical schoolClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University
Graduation year1999
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1346350105
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