Summary

Dr. Sy Oang specializes in internal medicine, providing comprehensive care for adult patients with a focus on preventive health and chronic disease management. He earned his Doctor of Osteopathy degree from Michigan State University College of Osteopathic Medicine and completed his residency training at Michigan State University. With 35 years of medical experience, Dr. Oang brings extensive knowledge to his practice. He is fluent in both English and Spanish, allowing him to serve diverse patient populations.

Dr. Oang practices at multiple locations throughout Whittier and Downey, California, with hospital affiliations including PIH Health Hospital Whittier. His clinical expertise includes managing high cholesterol in children and teens, treating hyperlipidemia, and caring for patients with familial lipid disorders. He provides essential preventive services such as flu vaccinations and breast cancer screening. Patients consistently rate Dr. Oang highly for his care, giving him an average rating of 4.9 out of 5 stars on Vitals.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.9
  • 35 years of experience
  • 34 insurance plans accepted
  • speaks English, Spanish
  • Michigan State University
  • 3 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Sy Hoa Oang has 4 locations

Pih Health Internal Medicine Whittwood Medical Office Building

15725 Whittier Blvd Ste 500Whittier, CA 90603
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Pih Health Whittwood Medical Plaza

15725 Whittier BlvdWhittier, CA 90603
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
Sat8:00 am - 12:00 pm
SunClosed

Downey Regional Medical Center

11500 Brookshire AveDowney, CA 90241

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Dr. Sy Hoa Oang, DOMarcel Benjamin, PharmDDr. Sima Mirhashemi, DODr. Daniel Benhuri, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
4.6 
35 Years of Experience 30 Years of Experience 8 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
Whittier , CACosta Mesa , CANewport Beach , CABeverly Hills , CA
Med School: Michigan State University College Of Osteopathic Medicine Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific Med School: Icahn School of Medicine at Mount Sinai
Current Profile
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Insurance Plans Accepted by Dr. Sy Hoa Oang

  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Aetna - PPO
  • Alignment Health Plan - HMO
  • Anthem Blue Cross
  • Blue Cross Blue Shield of Massachusetts
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Bright Health
  • CalOptima
  • CHAMPVA
  • Florida Blue: Blue Cross Blue Shield of Florida
  • Hawaii Medical Service Association (HMSA)
  • Health Net
  • Health Net - HMO
  • HealthNow
  • HealthNow - PPO
  • Humana - HMO
  • L.A. Care Health Plan - HMO
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • SCAN Health Plan - HMO
  • Tricare
  • Tufts Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO

Medical Specialties

Dr. Sy Hoa Oang has the following specialty

Specialty Expertise

Dr. Sy Hoa Oang has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

35 Years Experience

Dr. Sy Hoa Oang holds an active medical license in the state of California.

Medical License

Doctor Of Osteopathy with an active medical license in the state of California that expires in 2026.

Education & Training

Residency

Completed their residency at Michigan State University.

Medical School

Graduated from Michigan State University College Of Osteopathic Medicine in 1991.

NPI Number

Dr. Oang's NPI number is 1972692937.

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Frequently Asked Questions

Does Dr. Sy Hoa Oang accept my insurance?
You can see the insurance plans that Dr. Sy Hoa Oang accepts on their Vitals profile.
What languages does Dr. Sy Hoa Oang speak?
Dr. Sy Hoa Oang speaks English and Spanish.
Where is Dr. Sy Hoa Oang's office located?
Dr. Sy Hoa Oang's office is located at 15725 Whittier Blvd Ste 500, Whittier, CA, 90603.
Is Dr. Sy Hoa Oang accepting new patients?
Dr. Sy Hoa Oang is accepting new patients on Vitals. View Dr. Sy Hoa Oang's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Sy Hoa Oang?
You can find contact information for Dr. Sy Hoa Oang here on Vitals.

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