Summary

Dr. Ken Iwaoka is a family medicine and emergency medicine physician who brings four decades of medical experience to his practice. He earned his medical degree from Universidad Autonoma De Ciudad Juarez Instituto De Ciencias Biomedicas and has dedicated his career to providing comprehensive care across both primary and urgent care settings. Dr. Iwaoka is fluent in English and Spanish, allowing him to serve diverse patient populations throughout Southern California.

Dr. Iwaoka practices at multiple locations across California, including Aliso Viejo and Irvine, with hospital affiliations at Scripps Memorial Hospital Encinitas, Hoag Hospital Newport Beach, Tri City Medical Center, and Kaiser Permanente Orange County Irvine Medical Center. He frequently treats patients with sinusitis and various types of coughs, including productive coughs that may require further evaluation. His practice commonly includes performing urine tests, COVID-19 testing, and extremity X-rays to help diagnose and monitor patient conditions. Patients have given him an average rating of 2.5 out of 5 stars.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2.5
  • 40 years of experience
  • speaks English, Spanish
  • Universidad Autonoma De Ciudad Juarez Instituto De Ciencias Biomedicas
  • 4 written reviews
  • 2 specialties
  • 8 areas of expertise
  • 4 hospital affiliations
  • 6 office locations
  • Male

Patients’ Perspective

  • Flexible scheduling

Office Locations

Dr. Ken Ray Iwaoka has 6 locations

Hoag Urgent Care

26671 Aliso Creek Rd Ste 101Aliso Viejo, CA 92656
Mon8:00 am - 9:00 pm
Tue8:00 am - 9:00 pm
Wed8:00 am - 9:00 pm
Thu8:00 am - 9:00 pm
Fri8:00 am - 9:00 pm
Sat8:00 am - 5:00 pm
Sun8:00 am - 5:00 pm

Hoag Urgent Care

16205 Sand Canyon Ave Ste 100Irvine, CA 92618
Mon7:00 am - 10:00 pm
Tue7:00 am - 10:00 pm
Wed7:00 am - 10:00 pm
Thu7:00 am - 10:00 pm
Fri7:00 am - 10:00 pm
Sat8:00 am - 5:00 pm
Sun8:00 am - 5:00 pm

Hoag Hospital Irvine

16200 Sand Canyon AveIrvine, CA 92618

Tri City Medical Center

4002 Vista WayOceanside, CA 92056

Hoag Memorial Hospital Presbyterian

1 Hoag DrNewport Beach, CA 92663

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Dr. Ken Ray Iwaoka, MDDr. Samantha Von Ins, MDDr. Shakeilla Smithbey, MDDr. Robert Tracy, DO
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
2.5 
40 Years of Experience 16 Years of Experience 15 Years of Experience 15 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks Spanish, Vietnamese Speaks English Speaks English
Aliso Viejo , CAPlacentia , CAHouston , TXLos Angeles , CA
Med School: Universidad Autonoma De Ciudad Juarez Instituto De Ciencias Biomedicas Med School: University Of California Irvine College Of Medicine Med School: Howard University College Of Medicine Med School: Lake Erie College Of Osteopathic Medicine Bradenton Campus
Current Profile
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Insurance Plans Accepted by Dr. Ken Ray Iwaoka

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

Medical Specialties

Dr. Ken Ray Iwaoka has the following 2 specialties

Specialty Expertise

Dr. Ken Ray Iwaoka has the following 8 areas of expertise

  • Check-up
  • Contraception
  • Emergency Medicine
  • Family Planning
  • Immunization
  • Influenza
  • Sports Medicine
  • Weight Loss

Certifications, License, & Education

40 Years Experience

Dr. Ken Ray Iwaoka holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2025.

Education & Training

Medical School

Graduated from Universidad Autonoma De Ciudad Juarez Instituto De Ciencias Biomedicas in 1986.

NPI Number

Dr. Iwaoka's NPI number is 1346263670.

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Frequently Asked Questions

What languages does Dr. Ken Iwaoka speak?
Dr. Ken Iwaoka speaks English and Spanish.
Is Dr. Ken Iwaoka accepting new patients?
Dr. Ken Iwaoka is accepting new patients on Vitals. View Dr. Ken Iwaoka's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Ken Iwaoka?
You can find contact information for Dr. Ken Iwaoka here on Vitals.
Does Dr. Ken Iwaoka accept my insurance?
You can see the insurance plans that Dr. Ken Iwaoka accepts on their Vitals profile.
Which hospitals is Dr. Ken Iwaoka affiliated with?
Dr. Ken Iwaoka is affiliated with Scripps Memorial Hospital Encinitas, Hoag Hospital Newport Beach, Tri City Medical Center, and Kaiser Permanente Orange County Irvine Medical Center.

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