Summary

Denise M. Harnois, D.O., is a gastroenterologist and transplant hepatologist with the Liver Transplant Program in the Transplant Center at Mayo Clinic in Jacksonville, Florida. She specializes in the care of complex liver conditions, including chronic liver disease, cholestatic liver disease, hepatobiliary cancer, and liver transplantation. Her clinical interests also include primary sclerosing cholangitis (PSC) and primary biliary cirrhosis (PBC). Dr. Harnois provides comprehensive, individualized care for people with advanced liver disease, emphasizing precise diagnosis, coordinated multidisciplinary treatment, and long-term liver health across the transplant.

Quick Facts

  • accepting new patients
  • 4.7
  • 36 years of experience
  • 26 insurance plans accepted
  • speaks English
  • Philadelphia College Of Osteopathic Medicine
  • 11 written reviews
  • 1 award
  • 3 specialties
  • 15 areas of expertise
  • 2 board certifications
  • 1 office location
  • Female

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Office Location

Denise M. Harnois

4500 San Pablo Rd SJacksonville, FL 32224
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Denise M. Harnois, DO
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Denise M. Harnois, DODr. Bruce Gordon Sommer, MDKristen L RylandTerri Lynn Catherwood
Transplant SurgeryFamily MedicineNurse PractitionerNurse Practitioner
Accepts New Patients
4.7 
4.6 
36 Years of Experience 52 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English
Jacksonville , FLSavannah , GAJacksonville , FLJacksonville , FL
Med School: Philadelphia College Of Osteopathic Medicine Med School: University Of Minnesota Medical School
Current Profile
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Insurance Plans Accepted by Denise M. Harnois

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Aetna
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Minnesota
  • Capital Health Plan
  • Cigna
  • Empire Plan
  • Florida Health Care Plans
  • Golden Rule
  • Hawaii Medical Assurance Association (HMAA)
  • HealthPartners
  • Humana
  • Humana - Medicaid (Managed)
  • Medica
  • Medical Mutual
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicaid (Managed)
  • Wellcare

Medical Specialties

Denise M. Harnois has the following 3 specialties

Specialty Expertise

Denise M. Harnois has the following 15 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Bile Duct inflammation (Sclerosing Cholangitis)
  • Cancer
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Hepatologist
  • Irritable Bowel Syndrome (IBS)
  • Liver Transplantation
  • Transplant Surgeon
  • Ulcerative Colitis

Certifications, License, & Education

36 Years Experience

Denise M. Harnois holds an expired medical license in the state of Florida.

Medical License

Doctor Of Osteopathy with an expired medical license in the state of Florida that expired in 2026.

Education & Training

Medical School

Graduated from Philadelphia College Of Osteopathic Medicine in 1990.

NPI Number

Denise M. Harnois' NPI number is 1710976683.

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Frequently Asked Questions

How can I make an appointment with Denise Harnois?
You can find contact information for Denise Harnois here on Vitals.
Is Denise Harnois accepting new patients?
Denise Harnois is accepting new patients on Vitals. View Denise Harnois's profile on Vitals to make an appointment.
What languages does Denise Harnois speak?
Denise Harnois speaks English.
Does Denise Harnois accept virtual/telehealth appointments?
Denise Harnois has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Denise Harnois accept my insurance?
You can see the insurance plans that Denise Harnois accepts on their Vitals profile.

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