Summary

Dr. Curtis Siu is an internal medicine physician who earned his medical degree from University of California San Diego School of Medicine. With 27 years of experience in internal medicine, he brings extensive knowledge to adult healthcare and chronic disease management. He is fluent in both Spanish and English, allowing him to serve diverse patient communities.

Dr. Siu practices at multiple locations in Laguna Hills, California, and maintains hospital affiliations with UCI Health Fountain Valley. His clinical expertise focuses on managing conditions such as diabetes, high cholesterol, and lipid disorders. He performs comprehensive health assessments including complete blood counts and metabolic panels to monitor patient wellness. Patients have given him an average rating of 4.1 based on their care experiences.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.1
  • 27 years of experience
  • 35 insurance plans accepted
  • speaks Spanish, English
  • University Of California San Diego School Of Medicine
  • 16 written reviews
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 3 office locations
  • Male

Office Locations

Dr. Curtis Wai Siu has 3 locations

Saddleback Medical Group Inc

24221 Calle de La Louisa # 200Laguna Hills, CA 92653
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Memorialcare Saddleback Medical Center

24451 Health Center DrLaguna Hills, CA 92653

Saddleback Medical Group Inc

24221 Calle de la Louisa Ste 400Laguna Hills, CA 92653
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

Compare with Similar Doctors

Dr. Curtis Wai Siu, MD
Dr. George Mousa, MD
Dr. Alaa Hajal, MD
Dr. Shilpa Sayana, MD
Dr. Curtis Wai Siu, MDDr. George Mousa, MDDr. Alaa Hajal, MDDr. Shilpa Sayana, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
4.7 
27 Years of Experience 17 Years of Experience 15 Years of Experience 22 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, English Speaks English
Laguna Hills , CAUpland , CADiamond Bar , CASHERMAN OAKS , CA
Med School: University Of California San Diego School Of Medicine Med School: University Of Aleppo Faculty Of Medicine Med School: University Of Damascus Faculty Of Medicine Med School: The Robert Larner Md College Of Medicine At The University Of Vermont
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Curtis Wai Siu

  • Accepts Medicaid
  • Aetna
  • Aetna - Medicare
  • Alignment Health Plan
  • Alignment Health Plan - 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 - HMO
  • CalOptima
  • CalOptima - Medicaid (Managed)
  • Cigna
  • Health Net
  • Health Net - HMO
  • HealthPartners
  • Humana
  • Humana - HMO
  • Kaiser Permanente
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Molina Healthcare
  • Optima Health - Medicaid
  • Optum Health
  • Optum Health - IPA
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare - PPO

Medical Specialties

Dr. Curtis Wai Siu has the following specialty

Specialty Expertise

Dr. Curtis Wai Siu has the following 6 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

27 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Medical School

University Of California San Diego School Of MedicineGraduated in 1999

Similar doctors

Frequently Asked Questions

What languages does Dr. Curtis Siu speak?
Dr. Curtis Siu speaks Spanish and English.
Is Dr. Curtis Siu accepting new patients?
Dr. Curtis Siu is accepting new patients on Vitals. View Dr. Curtis Siu's profile on Vitals to make an appointment.
Does Dr. Curtis Siu accept my insurance?
You can see the insurance plans that Dr. Curtis Siu accepts on their Vitals profile.
Does Dr. Curtis Siu accept virtual/telehealth appointments?
Dr. Curtis Siu has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Curtis Siu's office located?
Dr. Curtis Siu's office is located at 24221 Calle de La Louisa # 200, Laguna Hills, CA, 92653.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.