Dr. Douglas Riegert-Johnson, MD

About Dr. Douglas Riegert-Johnson, MD

Dr. Douglas Riegert-Johnson, MD is a Gastroenterology specialist practicing at his clinic in Jacksonville, FL. He is dedicated to providing high-quality, comprehensive, and patient-centered care, adhering to the standards of The Florida Board of Medicine and practicing under Florida Statutes, Title XXXII, Chapter 458 (Medical Practice). He is committed to fostering a supportive and reassuring environment for all patients, ensuring they feel heard and understood throughout their care journey.

I provide comprehensive medical care for patients with disorders of the digestive system, encompassing the esophagus, stomach, intestines, liver, gallbladder, and pancreas. My practice serves all ages and I am currently welcoming new patients. Dr. Douglas Riegert-Johnson, MD is a gastroenterologist in Jacksonville, FL, affiliated with Mayo Clinic In Florida. He is accepting new patients and telehealth appointments. He is Board Certified in Clinical Genetics by the American Board of Medical Genetics and Genomics, and Board Certified in Gastroenterology by the American Board of Internal Medicine, and Board Certified in Internal Medicine by the American Board of Internal Medicine. My approach to care emphasizes evidence-based medicine, patient education, and collaborative decision-making. Patients should call (904) 953-2000 to schedule an appointment. Dr. Douglas Riegert-Johnson provides consultations primarily in English.

Gastroenterological Conditions Addressed

Dr. Douglas Riegert-Johnson addresses a wide range of Gastroenterological health concerns, including:

• G6PD Deficiency Anemia: G6PD deficiency anemia is a condition where your body doesn't make enough of an enzyme needed to protect red blood cells, leading to their breakdown and anemia.
• Intestinal Diverticulitis: Diverticulitis occurs when pouches in your intestines become infected or inflamed, causing abdominal pain and other symptoms.
• Sclerosing Mesenteritis: Sclerosing mesenteritis is a rare condition causing inflammation and scarring in the tissue connecting the intestines to the abdomen.
• Hereditary Amyloidosis: Hereditary amyloidosis is a rare genetic condition where abnormal proteins build up in organs, potentially causing damage over time.
• Ulcerative Colitis: Ulcerative colitis is a long-term illness affecting the large intestine, marked by inflammation, sores, and frequent bowel movements.
• Prostate Cancer: Prostate cancer is a type of cancer that develops in the prostate gland, a small gland in men that produces seminal fluid.
• Alcoholic Cirrhosis: Alcoholic cirrhosis is scarring of the liver due to years of excessive alcohol consumption.
• Benign Neoplasm of the Digestive System: Tests revealed a non-cancerous growth within your digestive system; it's not life-threatening.
• Hypokalemia: Low potassium levels can cause muscle weakness and fatigue.
• Gastroesophageal Reflux Disease (GERD): GERD happens when the valve between your stomach and esophagus doesn't close properly, allowing stomach acid to irritate the esophagus.
• Splenomegaly: Splenomegaly is an enlargement of the spleen.
• Primary Sclerosing Cholangitis: In PSC, ongoing inflammation in the bile ducts of the liver causes scarring, leading to impaired bile flow and potential complications like liver cirrhosis.

Please note: This list highlights some common health concerns that Dr. Douglas Riegert-Johnson addresses and is for informational purposes only; it does not constitute medical advice. The range of conditions a Gastroenterology manages is broad, and this list is not exhaustive. For a comprehensive understanding of how he can assist with your Patient's specific health needs or to discuss any particular symptoms, it's always best to schedule a consultation. Accurate diagnosis and personalized treatment plans are developed based on individual patient evaluations.

Gastroenterological Services Provided

Dr. Douglas Riegert-Johnson offers a range of services to support your Patient's health and well-being, such as:

• Endoscopy: Endoscopy is a procedure where a thin, flexible tube with a camera is inserted into your body to view the inside of your digestive system.
• Gallbladder Scan: This gallbladder scan helps your doctor evaluate your gallbladder's health.
• Ultrasound: Our gastroenterological ultrasound service uses sound waves to create images of your digestive system.
• Instrumental Diagnostic Evaluation for Dysphagia: This service helps diagnose problems swallowing using specialized tools.
• Manometry: It's a procedure that measures the pressure within your digestive system to diagnose conditions like esophageal spasms or achalasia.
• Gastroenterology Procedures: Gastroenterology procedures can include scopes, biopsies, and surgeries to address various digestive issues.
• Colorectal Cancer Screening: Colorectal cancer screening is recommended for adults starting at age 45, or earlier if you have a family history or other risk factors.
• ERCP (Endoscopic Retrograde Cholangiopancreatography): ERCP combines X-ray imaging with a thin, flexible tube to diagnose and treat conditions affecting the liver, gallbladder, and pancreas.
• Incision and Removal of Foreign Object: This procedure removes a foreign object from your body.
• Wireless pH Testing: Wireless pH testing measures the acidity levels in your esophagus to help diagnose acid reflux or GERD.
• Duodenal Polypectomy: Duodenal polypectomy is a procedure to remove polyps from the duodenum, the first part of the small intestine.
• Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy: This service provides treatment for tumors in your rectum or intestines, including colonoscopy procedures.

Please note: This list highlights some of the key services that may be offered by Dr. Douglas Riegert-Johnson. Service availability can change and not all services listed may be appropriate or offered to every patient. The scope of services provided by a Gastroenterology can vary. For a comprehensive understanding of all available services or to discuss your Patient's specific healthcare needs, it's always best to schedule a consultation. Some specialized procedures or advanced diagnostic tests may require referral to a subspecialist.

All medical services are provided in accordance with the standard scope of practice for Gastroenterologies in Florida and adhere to the ethical and professional guidelines set forth by The Florida Board of Medicine.

Frequently Asked Questions

Here are answers to some common questions about care with Dr. Douglas Riegert-Johnson:

What is Gastroenterology?

Gastroenterology is a medical specialty focused on the health of the digestive system, including the esophagus, stomach, intestines, liver, gallbladder, and pancreas. A gastroenterologist diagnoses, treats, and prevents a wide range of digestive diseases.

What should I expect during my first visit with Dr. Douglas Riegert-Johnson?

Your first visit with Dr. Riegert-Johnson will involve a comprehensive review of your digestive health symptoms and medical history. A physical examination will follow, and we'll discuss potential diagnostic tests or treatment plans based on your individual needs. Please bring a list of all medications and any prior test results to facilitate a thorough evaluation.

Does Dr. Douglas Riegert-Johnson accept my insurance?

Dr. Riegert-Johnson's office accepts a variety of insurance plans. Please call our office directly with your insurance information to confirm coverage for your appointment.

Does Dr. Douglas Riegert-Johnson treat liver conditions like hepatitis or fatty liver disease?

Dr. Riegert-Johnson is experienced in treating liver conditions like hepatitis and fatty liver disease. He utilizes a comprehensive approach, including blood tests, imaging, and potentially liver biopsy, to accurately diagnose and develop personalized treatment plans to maintain optimal liver health.

How does Dr. Douglas Riegert-Johnson manage Inflammatory Bowel Disease (IBD)?

Dr. Riegert-Johnson's approach to managing IBD focuses on achieving long-term remission through a combination of medication (including biologics), regular monitoring of disease activity, and a collaborative care model involving the patient, their family, and other healthcare professionals. This personalized strategy aims to minimize symptoms and improve quality of life.

Does Dr. Douglas Riegert-Johnson manage conditions of the pancreas, like pancreatitis?

Dr. Riegert-Johnson is experienced in diagnosing and managing pancreatic conditions, including pancreatitis. He investigates potential causes, manages symptoms, and monitors for complications associated with acute or chronic pancreatitis. He's dedicated to providing comprehensive care for patients with pancreatic issues.

What is the approach to treating Irritable Bowel Syndrome (IBS)?

Dr. Riegert-Johnson's approach to IBS is multifaceted, often including dietary strategies like the low-FODMAP diet, lifestyle modifications, stress reduction techniques, and targeted medications to manage symptoms such as pain, bloating, constipation, or diarrhea. We work collaboratively with patients to find the best combination of therapies to alleviate symptoms and improve quality of life.

What treatments does Dr. Douglas Riegert-Johnson offer for acid reflux and GERD?

Dr. Riegert-Johnson offers a comprehensive approach to GERD management, including lifestyle and dietary modifications, medication options, and diagnostic testing like endoscopy or pH monitoring to determine the best treatment plan.