Summary

Dr. Michael Barnum is an internal medicine physician who earned his medical degree from the University of Arizona College of Medicine. With 32 years of experience in practice, he focuses on the comprehensive care of adult patients and the management of chronic medical conditions.

Dr. Barnum is affiliated with Kaiser Permanente Downey Medical Center and Kaiser Permanente South Bay Medical Center, with practice locations in Gardena, Harbor City, and Downey, California. He specializes in treating patients with type 2 diabetes and high blood pressure. His clinical work includes ordering comprehensive blood work panels and cholesterol testing to monitor patient health. Patients rate him 4.7 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • 4.7
  • 32 years of experience
  • University Of Arizona College Of Medicine
  • 2 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 1 board certification
  • 2 hospital affiliations
  • 3 office locations
  • Male

Office Locations

Dr. Michael Lee Barnum has 3 locations

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Dr. Michael Lee Barnum, MDMarcel Benjamin, PharmDDr. Nima Ghadimi, MDKarthikeyan Viswanathan, DO
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients
4.7 
3.8 
32 Years of Experience 29 Years of Experience 12 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, Spanish Speaks English, Tamil
Gardena , CACosta Mesa , CAScottsdale , AZLos Altos , CA
Med School: University Of Arizona College Of Medicine Med School: Univ Iberoamericana Unibe Santo Domingo Med School: Bassett Medical Center - Cooperstown, New York
Current Profile
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Insurance Plans Accepted by Dr. Michael Lee Barnum

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Michael Lee Barnum has the following specialty

Specialty Expertise

Dr. Michael Lee Barnum has the following 11 areas of expertise

  • Check-up
  • Diabetes
  • Heart Diseases
  • Heart Failure
  • Heartburn
  • Immunization
  • Physical
  • Stroke
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

32 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2025, Inactive

EDUCATION & TRAINING

Medical School

University Of Arizona College Of MedicineGraduated in 1994

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Frequently Asked Questions

Where is Dr. Michael Barnum's office located?
Dr. Michael Barnum's office is located at 18600 S Figueroa St, Gardena, CA, 90248.
Does Dr. Michael Barnum accept virtual/telehealth appointments?
Dr. Michael Barnum 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. Michael Barnum?
You can find contact information for Dr. Michael Barnum here on Vitals.
Is Dr. Michael Barnum accepting new patients?
Dr. Michael Barnum has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Michael Barnum accept my insurance?
You can see the insurance plans that Dr. Michael Barnum accepts on their Vitals profile.

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