Summary

Douglas Riegert-Johnson specializes in gastroenterology and internal medicine, bringing 27 years of experience to patient care. They earned their medical degree from the University of Alabama School of Medicine and focus on digestive health conditions and comprehensive internal medicine. Douglas Riegert-Johnson speaks English and has built extensive expertise in gastrointestinal care over nearly three decades of practice.

Douglas Riegert-Johnson practices at Mayo Clinic Jacksonville in Jacksonville, Florida. They have particular expertise in treating colon polyps, hemorrhoids, and diverticular disease. Their procedural skills include performing colonoscopies and lower GI endoscopy procedures to diagnose and treat digestive conditions. Patients have given them an average rating of 4.8 out of 5, reflecting their commitment to quality care and patient satisfaction.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.8
  • 27 years of experience
  • speaks English
  • University Of Alabama School Of Medicine
  • 2 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Douglas L Riegert-Johnson has 3 locations

Mayo Clinic Gastroenterology And Hepatology

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

Mayo Clinic

4500 San Pablo Rd S Ste 3Jacksonville, 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

Mayo Clinic Jacksonville

4500 San Pablo Rd SJacksonville, FL 32224

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Dr. Douglas L Riegert-JohnsonBrooke Holden, APRNRachel Oliver, APRNAllison Duncan, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.8 
27 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
Jacksonville , FLLittle Rock , ARSACRAMENTO , CATempe , AZ
Med School: University Of Alabama School Of Medicine Med School: University of Central Arkansas Med School: University of South Alabama Med School: Indiana State University
Current Profile
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Insurance Plans Accepted by Dr. Douglas L Riegert-Johnson

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

Medical Specialties

Dr. Douglas L Riegert-Johnson has the following 2 specialties

Specialty Expertise

Dr. Douglas L Riegert-Johnson has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

27 Years Experience

Dr. Douglas L Riegert-Johnson holds an expired medical license in the state of Florida.

Medical License

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

Education & Training

Medical School

Graduated from University Of Alabama School Of Medicine in 1999.

NPI Number

Dr. Riegert-Johnson's NPI number is 1609840768.

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Frequently Asked Questions

Where is Dr. Douglas Riegert-Johnson's office located?
Dr. Douglas Riegert-Johnson's office is located at 4500 San Pablo Rd S, Jacksonville, FL, 32224.
Which hospitals is Dr. Douglas Riegert-Johnson affiliated with?
Dr. Douglas Riegert-Johnson is affiliated with Mayo Clinic Jacksonville.
Does Dr. Douglas Riegert-Johnson accept virtual/telehealth appointments?
Dr. Douglas Riegert-Johnson 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. Douglas Riegert-Johnson?
You can find contact information for Dr. Douglas Riegert-Johnson here on Vitals.
Does Dr. Douglas Riegert-Johnson accept my insurance?
You can see the insurance plans that Dr. Douglas Riegert-Johnson accepts on their Vitals profile.

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