Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Riegert-Johnson, Gastroenterologist in Jacksonville, FL?
Dr. Douglas Riegert-Johnson, MD is a Gastroenterologist, who primarily practices in Jacksonville, FL with 1 additional practice location. He is board certified. Dr. Riegert-Johnson completed his residency at Mayo Clinic. Dr. Riegert-Johnson is fluent in English, and is currently seeing new patients. Dr. Riegert-Johnson’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Riegert-Johnson’s office at (904) 953-2000.
What are Areas of Expertise for Dr. Riegert-Johnson?
Dr. Douglas Riegert-Johnson, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Riegert-Johnson empowers patients to confidently navigate their health journey, specializing in Cancer Genetics, Colon & Rectal Cancer-Familial Polyposis, Endoscopy & Colonoscopy, Pancreatic Cancer, and comprehensive wellness support. Serving the Jacksonville, FL community, Dr. Riegert-Johnson is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Riegert-Johnson go to medical school and complete their residency?
Fellowship: Fellow - Gastroenterology: Mayo Graduate School of Medicine, Mayo Clinic College of Medicine | Fellow - Gastroenterology and Instructor of Medicine: Satter Family Cancer Research
Residency: Mayo Clinic | Johns Hopkins University Affiliated Hospitals
Is Dr. Riegert-Johnson board certified as a Gastroenterologist?
Yes, Dr. Douglas Riegert-Johnson, MD is board certified by the American Board of Internal Medicine , American Board of Medical Genetics
What languages does Dr. Riegert-Johnson speak?
Dr. Riegert-Johnson and their clinical team can communicate with patients in the following languages:
English
What conditions does a Gastroenterologist like Dr. Riegert-Johnson typically treat?
As a Gastroenterologist, Dr. Riegert-Johnson diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Riegert-Johnson. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Benign Colon Polyp
- Benign Tumor
- Colonic Disease
- Colon Polyps
- Non-cancerous colon growth
- Colon adenoma
- Benign colon tumor
ICD-10 Codes:
- D126: Benign neoplasm of colon, unspecified
Also known as:
- Stomach or Duodenum Polyp
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Polyp
- Duodenal Polyp
- Stomach Growth
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K317: Polyp of stomach and duodenum
- K3189: Other diseases of stomach and duodenum
Also known as:
- Heartburn
- Acid Reflux
- Indigestion
- GERD Symptoms
ICD-10 Codes:
- R12: Heartburn
Also known as:
- Prostate Cancer
- Prostate Cancer Treatment (PDQ®)
- Prostatic Carcinoma
- Prostate Gland Cancer
- Malignant Prostate Tumor
ICD-10 Codes:
- C61: Malignant neoplasm of prostate
Also known as:
- Hemorrhoids
- Piles
- Swollen Veins in Anus
- Anal Lumps
ICD-10 Codes:
- K649: Unspecified hemorrhoids
What procedures does a Gastroenterologist like Dr. Riegert-Johnson typically perform?
As a Gastroenterologist, Dr. Riegert-Johnson performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Riegert-Johnson. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- Colonoscopy with Injections
- EGD with Esophageal Balloon Dilation
- Colonoscopy
- Colorectal Cancer Screening Tests
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
Also known as:
- Upper Endoscopy with Polyp Removal
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
CPT Codes:
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Does Dr. Riegert-Johnson accept my insurance?
Dr. Riegert-Johnson accepts most major insurance plans. Important: Please call our office at (904) 953-2000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Riegert-Johnson accept in Jacksonville, FL?
Dr. Riegert-Johnson in Jacksonville, FL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Allstate Corporation
Bankers Life
Centene Corporation
CVS Health (formerly Aetna)
Federal government of the United States
Medicare
Mutual of Omaha
State of Florida
UnitedHealth Group
View All Insurances
Where is Dr. Riegert-Johnson's office located?
What is Dr. Riegert-Johnson's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Riegert-Johnson's National Provider Identifier (NPI) number is 1609840768.
What common questions do patients ask about Dr. Riegert-Johnson?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Riegert-Johnson
What is Dr. Douglas Riegert-Johnson's specialty?
Dr. Riegert-Johnson is a Gastroenterologist near Jacksonville, FL.
What does a Gastroenterologist do?
An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.
Is this Dr. Douglas Riegert-Johnson affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Riegert-Johnson is affiliated with Mayo Building & Hospital - Florida which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Douglas Riegert-Johnson accepting new patients in Jacksonville, FL?
Yes, Dr. Douglas Riegert-Johnson is accepting new patients at this time.
Does Dr. Douglas Riegert-Johnson offer online booking?
Please contact Dr. Riegert-Johnson's office at (904) 953-2000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Douglas Riegert-Johnson?
Please contact Dr. Riegert-Johnson's office at (904) 953-2000 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Douglas Riegert-Johnson have?
Dr. Douglas Riegert-Johnson is certified by the American Board of Internal Medicine and American Board of Medical Genetics.
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