Summary

Dr. Kwasi Osei is a family medicine physician who brings 15 years of experience to comprehensive primary care. He completed his medical education at the prestigious David Geffen School of Medicine at UCLA and went on to complete his residency training at Kaiser Permanente Medical Center. His extensive background in family medicine allows him to provide care for patients across all age groups, from children to adults.

Dr. Osei practices at Kaiser Foundation Hospital in Fontana, California, and maintains affiliations with Kaiser Permanente Woodland Hills Medical Center. He specializes in diabetes management, treating both Type 2 diabetes in adults and diabetes in children and teens. His clinical focus includes comprehensive metabolic monitoring and diabetic nephropathy screening to help prevent complications. Patients rate Dr. Osei 3.3 out of 5 stars on average for his care.

AI-generated from data on this provider profile.

Quick Facts

  • 3.3
  • 15 years of experience
  • 39 insurance plans accepted
  • Kaiser Permanente Medical Center
  • 1 written review
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Kaiser Foundation Hospital

9961 Sierra AveFontana, CA 92335

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Dr. Kwasi Osei, MDDr. Peter N Mattar, MDDr. Abraham Hafiz Rodriguez, MDDr. Michelle Simi, MD
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.3 
4.6 
4.3 
15 Years of Experience 13 Years of Experience 32 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks Spanish, French, English Speaks English
Fontana , CANorco , CAPleasanton , CAORINDA , CA
Med School: David Geffen School Of Medicine At Ucla Med School: Doctor of Medicine (M.D.), University of Illinois College of Medicine, Peoria, IL Med School: University Of Chicago Division Of The Biological Sciences The Pritzker School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Kwasi Osei

  • Aetna
  • Aetna - HMO
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AlphaCare
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CalOptima - Medicaid (Managed)
  • CHAMPVA
  • Cigna
  • Contra Costa Health Plan
  • Health Net
  • Health Net - HMO
  • Health Net - Medicare
  • Inland Empire Health Plan
  • Inland Empire Health Plan - Medicaid
  • Kaiser Permanente
  • Kaiser Permanente - DHMO
  • Kaiser Permanente - HMO
  • Kaiser Permanente - Medicaid (Managed)
  • Kaiser Permanente - Medicare (Advantage HMO)
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • Medicaid
  • Medicaid - Medicaid
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • Molina Healthcare - Medicaid
  • Optum Health
  • Optum Health - IPA
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Dr. Kwasi Osei has the following specialty

Specialty Expertise

Dr. Kwasi Osei has the following 6 areas of expertise

  • Check-up
  • Contraception
  • Family Planning
  • Immunization
  • Influenza
  • Weight Loss

Certifications, License, & Education

15 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Residency

Kaiser Permanente Medical Center

Medical School

David Geffen School Of Medicine At UclaGraduated in 2011

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Frequently Asked Questions

Where is Dr. Kwasi Osei's office located?
Dr. Kwasi Osei's office is located at 9961 Sierra Ave, Fontana, CA, 92335.
Which hospitals is Dr. Kwasi Osei affiliated with?
Dr. Kwasi Osei is affiliated with KAISER PERMANENTE WOODLAND HILLS MEDICAL CENTER.
Does Dr. Kwasi Osei accept my insurance?
You can see the insurance plans that Dr. Kwasi Osei accepts on their Vitals profile.
Is Dr. Kwasi Osei accepting new patients?
Dr. Kwasi Osei has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Kwasi Osei accept virtual/telehealth appointments?
Dr. Kwasi Osei has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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