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Dr. Josefino Diaz, MD

Dr. Josefino Diaz, MD

Age 63 Internal Medicine M
(4) 4 reviews

Telehealth available

New Patient

(218) 264-4111

Current Patient

Show number (218) 786-3337

Dr. Josefino Diaz, MD is a internal medicine specialist in Duluth, MN. Dr. Diaz completed a residency at University Chicago. He currently practices at Essentia Health-Duluth Clinic 1st Street Building and is affiliated with Essentia Health St. Mary's Medical Center. He accepts multiple insurance plans. Dr. Diaz is board certified in Internal Medicine.


New Patient? (218) 264-4111
  1. Essentia Health-Duluth Clinic 1st Street Building

    1. 1
      Essentia Health-Duluth Clinic 1st Street Building
      420 E 1st St, Duluth, MN 55805 Call
      Existing Patients: (218) 786-3337
      New Patients:
      (218) 264-4111


  • University Chicago, Residency Hospital — 2000
  • University Chicago, Internship Hospital — 1999
  • St Louis U, Baguio City, Medical School — 1983

Insurance Accepted

  • Aetna
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Minnesota
  • Cigna
  • First Health (Coventry Health Care)
  • Humana
  • MultiPlan

* Please verify this information when scheduling an appointment.

Patient Satisfaction

Likelihood to recommend Dr. Diaz
Based on 4 Reviews
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I changed to Dr. Diaz after being dissatisfied with my previous physician. I wish I had come to Dr. Diaz years ago. He is a caring involved doctor willing to spend the time with you, explain things clearly, go over test results line by line and set goal to make you a healthier person.
Greg in Duluth, MN — Sep 15, 2017
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Photo: Dr. Josefino Diaz, MD
Dr. Josefino Diaz, MD
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Dr. Diaz's Office & Staff

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  • How well provider listens and answers questions
  • Spends appropriate amount of time with patients

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Hospital Affiliations

  • Essentia Health St. Mary's Medical Center
  • Essentia Health St. Mary's Hospital-Superior
  • Essentia Health-Virginia
  • St. Luke's Hospital

Frequently Asked Questions

Dr. Diaz frequently treats Gout, Obesity, and Overweight.