Summary

Dr. Warren Hsiao is an internal medicine physician who has dedicated over three decades to caring for patients with complex medical conditions. He earned his medical degree from Tufts University School of Medicine and brings 32 years of clinical experience to his practice. Dr. Hsiao is fluent in both Spanish and English, allowing him to serve diverse patient populations in the Torrance area.

Dr. Hsiao maintains affiliations with several respected medical centers including Harbor UCLA Medical Center, Kaiser Permanente South Bay Medical Center, Torrance Memorial Medical Center, and Providence Little Company of Mary Medical Center, all located in Torrance, California. He specializes in managing diabetes care across different age groups, from teenagers to elderly patients. His practice focuses on comprehensive diabetes management, including regular blood work monitoring and kidney health screenings to prevent complications.

AI-generated from data on this provider profile.

Quick Facts

  • 32 years of experience
  • speaks Spanish, English
  • Tufts University School Of Medicine
  • 1 specialty
  • 11 areas of expertise
  • 1 board certification
  • 4 hospital affiliations
  • 5 office locations
  • Male

Office Locations

Dr. Warren Hsiao has 5 locations

Kaiser Permanente Torrance Medical Offices

20790 Madrona AveTorrance, CA 90503
Mon8:30 am - 5:30 pm
Tue8:30 am - 5:30 pm
Wed8:30 am - 5:30 pm
Thu8:30 am - 5:30 pm
Fri8:30 am - 5:30 pm
SatClosed
SunClosed

Harbor Ucla Medical Center

1000 W Carson StTorrance, CA 90502

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Dr. Warren Hsiao, MDDr. George Mousa, MDDr. Nima Ghadimi, MDKarthikeyan Viswanathan, DO
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
32 Years of Experience 17 Years of Experience 29 Years of Experience 12 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, English Speaks English, Spanish Speaks English, Tamil
Torrance , CAUpland , CAScottsdale , AZLos Altos , CA
Med School: Tufts University School Of Medicine Med School: University Of Aleppo Faculty Of Medicine Med School: Univ Iberoamericana Unibe Santo Domingo Med School: Bassett Medical Center - Cooperstown, New York
Current Profile
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Insurance Plans Accepted by Dr. Warren Hsiao

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Warren Hsiao has the following specialty

Specialty Expertise

Dr. Warren Hsiao has the following 11 areas of expertise

  • Check-up
  • Diabetes
  • Diabetes Complications
  • Heart Diseases
  • Heart Failure
  • Heartburn
  • Immunization
  • Physical
  • Stroke
  • Vaccination
  • Weight Loss

Certifications, License, & Education

32 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2025, Expired

EDUCATION & TRAINING

Medical School

Tufts University School Of MedicineGraduated in 1994

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Frequently Asked Questions

How can I make an appointment with Dr. Warren Hsiao?
You can find contact information for Dr. Warren Hsiao here on Vitals.
What languages does Dr. Warren Hsiao speak?
Dr. Warren Hsiao speaks Spanish and English.
Is Dr. Warren Hsiao accepting new patients?
Dr. Warren Hsiao has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Warren Hsiao accept my insurance?
You can see the insurance plans that Dr. Warren Hsiao accepts on their Vitals profile.
Which hospitals is Dr. Warren Hsiao affiliated with?
Dr. Warren Hsiao is affiliated with Harbor Ucla Medical Center, Kaiser Permanente South Bay Medical Center, Torrance Memorial Medical Center, and Providence Little Company Of Mary Medical Center Torrance.

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