Summary

Dr. William Lee is an internal medicine physician who has dedicated over four decades to caring for patients in the Simi Valley community. He earned his medical degree from the University of the East/Ramon Magsaysay Memorial Medical Center College of Medicine and completed his residency training at Salem Hospital. With 43 years of clinical experience, Dr. Lee brings extensive knowledge to his practice of internal medicine. He is fluent in both Spanish and English, allowing him to serve diverse patient populations.

Dr. Lee practices at Los Robles Regional Medical Center and maintains locations throughout Simi Valley, California. His clinical expertise includes managing common chronic conditions such as type 2 diabetes and high blood pressure, including serious episodes like hypertensive emergencies. He incorporates various treatment approaches, from physical therapy and strength training to advanced imaging like CT scans when needed for patient care. Patients have given Dr. Lee an average rating of 4.3 stars, reflecting their confidence in his care.
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AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.3
  • 43 years of experience
  • 70 insurance plans accepted
  • speaks Spanish, English
  • Salem Hospital
  • 12 written reviews
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 2 office locations
  • Male

Office Locations

Dr. William Ang Lee has 2 locations

Simi Medical Group Inc

2755 Alamo St Ste 101Simi Valley, CA 93065
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

Adventist Health Simi Valley

2975 Sycamore DrSimi Valley, CA 93065

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Dr. William Ang Lee, MDDr. Adama Diarra, DODr. George Mousa, MDDr. Tooba Rehman, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
43 Years of Experience 14 Years of Experience 17 Years of Experience 16 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, English Speaks English, French, Bambara
Simi Valley , CATigard , ORUpland , CAKaty , TX
Med School: Univ Of The East/Ramon Magsaysay Memorial Medical Center College Of Med Med School: Arizona College of Osteopathic Medicine Med School: University Of Aleppo Faculty Of Medicine Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE
Current Profile
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Insurance Plans Accepted by Dr. William Ang Lee

  • Accepts Medicaid
  • AARP
  • Adventist Health
  • Aetna
  • Aetna - HMO
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AllCare Health
  • AllCare Health - IPA
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Minnesota
  • Blue Cross Blue Shield of Oklahoma
  • Blue Cross Blue Shield of Tennessee
  • Blue Cross Blue Shield of Texas
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • BLUE CROSS of CALIFORNIA - Medicare
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • Bright Health
  • CalOptima
  • Central California Alliance for Health
  • Cigna
  • Commonwealth Care Alliance
  • Community Health Choice - Medicare (Advantage HMO)
  • Empire Plan
  • Excellus Blue Cross Blue Shield
  • First Health (Coventry Health Care)
  • Florida Blue: Blue Cross Blue Shield of Florida
  • Golden State Medicare Health Plan
  • Golden State Medicare Health Plan - Medicare
  • Hawaii Medical Service Association (HMSA)
  • Health Alliance
  • Health Net
  • Health Net - HMO
  • Humana
  • Humana - HMO
  • Inland Empire Health Plan
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • L.A. Care Health Plan - Medicaid (Managed)
  • Magellan Health
  • Medica
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Medicare - PPO
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Mutual of Omaha
  • Nippon Life Benefits
  • Optum Health
  • Premier Health Plan
  • Providence Health Plans
  • Regence BlueCross BlueShield of Oregon
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Sharp Health Plan
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO
  • Wellcare
  • Western Health Advantage

Medical Specialties

Dr. William Ang Lee has the following specialty

Specialty Expertise

Dr. William Ang Lee has the following 6 areas of expertise

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

Certifications, License, & Education

43 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Residency

Salem Hospital

Medical School

Univ Of The East/Ramon Magsaysay Memorial Medical Center College Of MedGraduated in 1983

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Frequently Asked Questions

Is Dr. William Lee accepting new patients?
Dr. William Lee is accepting new patients on Vitals. View Dr. William Lee's profile on Vitals to make an appointment.
What languages does Dr. William Lee speak?
Dr. William Lee speaks Spanish and English.
Where is Dr. William Lee's office located?
Dr. William Lee's office is located at 2755 Alamo St Ste 101, Simi Valley, CA, 93065.
Does Dr. William Lee accept virtual/telehealth appointments?
Dr. William Lee has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. William Lee?
You can find contact information for Dr. William Lee here on Vitals.

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