Summary

Dr. Ong graduated from the University of California Irvine College of Medicine in 2007. He works in Downey, CA and 1 other location and specializes in Surgery. Dr. Ong is affiliated with KAISER PERMANENTE DOWNEY MEDICAL CENTER.

Quick Facts

  • accepting new patients
  • 3
  • 19 years of experience
  • 31 insurance plans accepted
  • University Of California Irvine College Of Medicine
  • 1 written review
  • 1 specialty
  • 1 board certification
  • 1 hospital affiliation
  • 2 office locations
  • Male

Office Locations

Dr. Erwin Sebastian Ong has 2 locations

Kaiser Permanente Orchard Medical Offices

9449 Imperial HwyDowney, CA 90242
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Erwin Sebastian Ong, MD
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Dr. Erwin Sebastian Ong, MDDr. Dilipkumar Parekh, MDDr. Chun-Chieh Chiu, MDDr. Keith Alan Marcus, MD
SurgerySurgical OncologyEmergency MedicinePlastic Surgery
Accepts New Patients Accepts New Patients Accepts New Patients
3.3 
19 Years of Experience 47 Years of Experience 52 Years of Experience 24 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks Spanish, English Speaks English, Spanish
Downey , CALos Angeles , CALos Angeles , CARedondo Beach , CA
Med School: University Of California Irvine College Of Medicine Med School: University Of The Witwatersrand Faculty Of Health Sciences Med School: Chung Shan Medical University Med School: Keck School Of Medicine Of The University Of Southern California
Current Profile
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Insurance Plans Accepted by Dr. Erwin Sebastian Ong

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna - HMO
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - Medicaid
  • CalOptima - Medicaid
  • CalOptima - Medicaid (Managed)
  • Cigna
  • Contra Costa Health Plan
  • Health Net
  • Health Net - HMO
  • Kaiser Permanente
  • Kaiser Permanente - DHMO
  • Kaiser Permanente - HMO
  • Kaiser Permanente - Medicaid (Managed)
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • L.A. Care Health Plan - Medicaid
  • L.A. Care Health Plan - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Molina Healthcare - Medicaid
  • Optum Health
  • SCAN Health Plan
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Dr. Erwin Sebastian Ong has the following specialty

Certifications, License, & Education

19 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Medical School

University Of California Irvine College Of MedicineGraduated in 2007

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Frequently Asked Questions

Where is Dr. Erwin Ong's office located?
Dr. Erwin Ong's office is located at 9449 Imperial Hwy, Downey, CA, 90242.
Which hospitals is Dr. Erwin Ong affiliated with?
Dr. Erwin Ong is affiliated with KAISER PERMANENTE DOWNEY MEDICAL CENTER.
Does Dr. Erwin Ong accept my insurance?
You can see the insurance plans that Dr. Erwin Ong accepts on their Vitals profile.
How can I make an appointment with Dr. Erwin Ong?
You can find contact information for Dr. Erwin Ong here on Vitals.
Is Dr. Erwin Ong accepting new patients?
Dr. Erwin Ong is accepting new patients on Vitals. View Dr. Erwin Ong's profile on Vitals to make an appointment.

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