Summary

Dr. Jeffrey Shimoyama is an internal medicine and emergency medicine physician who earned his medical degree from the University of California Davis School of Medicine. With 39 years of clinical experience, he brings extensive expertise to patient care across both primary care and emergency settings. Dr. Shimoyama is fluent in Spanish and English.

Dr. Shimoyama practices at Kaiser Permanente West Los Angeles Medical Center in Los Angeles, California. He frequently treats patients with joint pain, persistent coughs, and respiratory symptoms that produce phlegm. His clinical skills include performing X-rays for arm and leg injuries, conducting COVID-19 testing, and ordering urine analysis for diagnostic purposes. Patients have given him an average rating of 4.6 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • 4.6
  • 39 years of experience
  • 23 insurance plans accepted
  • speaks Spanish, English
  • University Of California Davis School Of Medicine
  • 2 written reviews
  • 2 specialties
  • 10 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

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Dr. Jeffrey Ken Shimoyama, MDDr. Tooba Rehman, MDDr. Alaa Hajal, MDEric Harker
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
3.9 
39 Years of Experience 16 Years of Experience 15 Years of Experience 25 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, English Speaks English
Los Angeles , CAKaty , TXDiamond Bar , CALyons , CO
Med School: University Of California Davis School Of Medicine Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE Med School: University Of Damascus Faculty Of Medicine Med School: Duke University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Jeffrey Ken Shimoyama

  • Aetna
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Cigna
  • Contra Costa Health Plan
  • Health Net
  • Health Net - HMO
  • Humana
  • Humana - HMO
  • Inland Empire Health Plan
  • Kaiser Permanente
  • Kaiser Permanente - DHMO
  • Kaiser Permanente - HMO
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • Medicare
  • Medicare - Medicare
  • Molina Healthcare
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Dr. Jeffrey Ken Shimoyama has the following 2 specialties

Specialty Expertise

Dr. Jeffrey Ken Shimoyama has the following 10 areas of expertise

  • Check-up
  • Diabetes
  • Diabetes Complications
  • Emergency Medicine
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

39 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Expired

EDUCATION & TRAINING

Medical School

University Of California Davis School Of MedicineGraduated in 1987

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Frequently Asked Questions

Does Dr. Jeffrey Shimoyama accept my insurance?
You can see the insurance plans that Dr. Jeffrey Shimoyama accepts on their Vitals profile.
Is Dr. Jeffrey Shimoyama accepting new patients?
Dr. Jeffrey Shimoyama has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Jeffrey Shimoyama speak?
Dr. Jeffrey Shimoyama speaks Spanish and English.
Which hospitals is Dr. Jeffrey Shimoyama affiliated with?
Dr. Jeffrey Shimoyama is affiliated with Kaiser Permanente West Los Angeles Medical Center.
How can I make an appointment with Dr. Jeffrey Shimoyama?
You can find contact information for Dr. Jeffrey Shimoyama here on Vitals.

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