Summary

Dr. William Sim is an internal medicine physician who earned his medical degree from Stanford University School of Medicine. He completed his residency training at UCLA Medical Center and has been practicing medicine for 36 years. Dr. Sim is fluent in Spanish, Korean, and English.

Dr. Sim is affiliated with Downey Regional Medical Center and practices in Downey, California. He specializes in managing high blood pressure conditions and provides comprehensive blood testing services. His expertise includes performing complete blood counts and analyzing white blood cell levels to help diagnose various health conditions. Patients have given him an average rating of 4.2 out of 5 stars.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.2
  • 36 years of experience
  • 68 insurance plans accepted
  • speaks Spanish, Korean, English
  • Ucla Medical Center
  • 13 written reviews
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 2 office locations
  • Male

Office Locations

Dr. William Chunghun Sim has 2 locations

Frischer Medical Group

11480 Brookshire Ave Ste 200Downey, CA 90241
Mon7:30 am - 4:30 pm
Tue7:30 am - 4:30 pm
Wed7:30 am - 4:30 pm
Thu7:30 am - 4:30 pm
Fri7:30 am - 4:30 pm
SatClosed
SunClosed

Downey Regional Medical Center

11500 Brookshire AveDowney, CA 90241

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Dr. William Chunghun Sim, MDDr. Asad Javed, MDDr. George Mousa, MDDr. Nima Ghadimi, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
3.8 
36 Years of Experience 17 Years of Experience 29 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks Spanish, Korean, English Speaks English, Hindi, Urdu Speaks English, Spanish
Downey , CAOrange , CAUpland , CAScottsdale , AZ
Med School: Stanford University School Of Medicine Med School: University Of Aleppo Faculty Of Medicine Med School: Univ Iberoamericana Unibe Santo Domingo
Current Profile
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Insurance Plans Accepted by Dr. William Chunghun Sim

  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Aetna Better Health
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Minnesota
  • Blue Cross Blue Shield of Texas
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • Bright Health
  • CalOptima
  • CareFirst Blue Cross Blue Shield
  • CareMore
  • CareMore - HMO
  • CareSource
  • Cigna
  • Commonwealth Care Alliance
  • Contra Costa Health Plan
  • Health Alliance
  • Health Net
  • Health Net - HMO
  • Health Net - Medicaid
  • HealthFirst (NY)
  • HealthNow
  • HealthPartners
  • HealthScope Benefits
  • Humana
  • Humana - HMO
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • L.A. Care Health Plan - Medicaid (Managed)
  • Liberty Mutual - Workers’ Compensation
  • Magellan Health
  • Medicaid - Medicaid
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Mercy Care
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Nippon Life Benefits
  • Optum Health
  • Oscar Health Insurance
  • Partnership HealthPlan of California
  • PreferredOne
  • Priority Health
  • Sanford Health Plan
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - PPO
  • University of Arizona Health Plans
  • Wellcare
  • Western Health Advantage

Medical Specialties

Dr. William Chunghun Sim has the following specialty

Specialty Expertise

Dr. William Chunghun Sim has the following 6 areas of expertise

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

Certifications, License, & Education

36 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2027, Active

EDUCATION & TRAINING

Residency

Ucla Medical Center

Medical School

Stanford University School Of MedicineGraduated in 1990

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Frequently Asked Questions

How can I make an appointment with Dr. William Sim?
You can find contact information for Dr. William Sim here on Vitals.
What languages does Dr. William Sim speak?
Dr. William Sim speaks Spanish, Korean, and English.
Is Dr. William Sim accepting new patients?
Dr. William Sim is accepting new patients on Vitals. View Dr. William Sim's profile on Vitals to make an appointment.
Which hospitals is Dr. William Sim affiliated with?
Dr. William Sim is affiliated with Downey Regional Medical Center.
Where is Dr. William Sim's office located?
Dr. William Sim's office is located at 11480 Brookshire Ave Ste 200, Downey, CA, 90241.

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