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Internal Medicine

Benjamin Winarko, MD

Sees patients in Bellflower, CA · California

Summary

Benjamin Winarko, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Bellflower, CA. NPI 1811255185. 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 Benjamin Winarko, 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
17Years since medical school (graduated 2009)
Loma Linda University School Of MedicineMedical school
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Benjamin Winarko see patients?
Medicare's clinician data lists 1 practice location in Bellflower, CA. Call before your visit to confirm the address.
What is Benjamin Winarko's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Benjamin Winarko accept Medicare assignment?
Yes. Medicare's clinician data says Benjamin Winarko 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 Benjamin Winarko?
(562) 461-3000, as listed in official Medicare / NPI Registry data.
What is Benjamin Winarko's NPI number?
1811255185. 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 Benjamin Winarko is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Benjamin Winarko 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 Bellflower

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

All internal medicine doctors in Bellflower →

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811255185
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