Summary

Dr. Diana Hsu is an internal medicine physician who earned her medical degree from Wayne State University School of Medicine and completed her residency at LAC USC Medical Center. With 31 years of experience in internal medicine, she focuses on comprehensive adult healthcare and preventive medicine. Dr. Hsu is fluent in Spanish, Chinese, Tagalog, and English.

Dr. Hsu is affiliated with several medical centers throughout Southern California, including Downey Regional Medical Center, UCI Health Lakewood, Whittier Hospital Medical Center, UCI Health Los Alamitos, and Kaiser Permanente Downey Medical Center, with practice locations in Downey and Whittier. She specializes in managing high cholesterol in children and teens, treating high blood pressure, and addressing elevated cholesterol levels in adults. Her diagnostic expertise includes performing complete blood counts, kidney function tests, and comprehensive chemistry panels. Patients have given Dr. Hsu an average rating of 3.2 out of 5 on Vitals.
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Quick Facts

  • 3.2
  • 31 years of experience
  • speaks Spanish, Chinese, Tagalog, English
  • Lac Usc Medical Center
  • 9 written reviews
  • 1 specialty
  • 5 hospital affiliations
  • 3 office locations
  • Female

Patients’ Perspective

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

Office Locations

Dr. Diana Hui-Min Hsu has 3 locations

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Dr. Diana Hui-Min Hsu, MDDr. George Mousa, MDEric HarkerKarthikeyan Viswanathan, DO
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.2 
3.9 
31 Years of Experience 17 Years of Experience 25 Years of Experience 12 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, Chinese, Tagalog, English Speaks English Speaks English, Tamil
Downey , CAUpland , CALyons , COLos Altos , CA
Med School: Wayne State University School Of Medicine Med School: University Of Aleppo Faculty Of Medicine Med School: Duke University School Of Medicine Med School: Bassett Medical Center - Cooperstown, New York
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Insurance Plans Accepted by Dr. Diana Hui-Min Hsu

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

Medical Specialties

Dr. Diana Hui-Min Hsu has the following specialty

Certifications, License, & Education

31 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Residency

Lac Usc Medical Center

Medical School

Wayne State University School Of Medicine
Wayne State University School Of MedicineGraduated in 1995

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Frequently Asked Questions

Is Dr. Diana Hsu accepting new patients?
Dr. Diana Hsu has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Diana Hsu affiliated with?
Dr. Diana Hsu is affiliated with Downey Regional Medical Center, Uci Health Lakewood, Whittier Hospital Medical Center, Uci Health Los Alamitos, and KAISER PERMANENTE DOWNEY MEDICAL CENTER.
Where is Dr. Diana Hsu's office located?
Dr. Diana Hsu's office is located at 11500 Brookshire Ave, Downey, CA, 90241.
What languages does Dr. Diana Hsu speak?
Dr. Diana Hsu speaks Spanish, Chinese, Tagalog, and English.
Does Dr. Diana Hsu accept virtual/telehealth appointments?
Dr. Diana Hsu has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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