31 Years of Experience
Accepting patients
Telehealth
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Hong, Gastroenterologist in Fallbrook, CA?
Dr. John Hong, MD is a Gastroenterologist, who primarily practices in Fallbrook, CA with 1 additional practice location. He has been practicing for over 31 years and is board certified. Dr. Hong graduated from University of Miami, School of Medicine, Miami, FL and completed his residency at University of California Irvine Medical Center. He is a member of the American College of Gastroenterology, American Society of Gastrointestinal Endoscopy, American Society of Bariatric Physicians, Southern California Society of Gastroenterology, and Christian Medical & Dental Association. Dr. Hong is fluent in English and Korean, and is currently seeing new patients. Dr. Hong’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hong’s office at (760) 728-9560.
What are Areas of Expertise for Dr. Hong?
Dr. John Hong, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Hong empowers patients to confidently navigate their health journey, specializing in Endoscopy, Gastrointestinal Disorders, Weight Management, or comprehensive wellness support. Serving the Fallbrook/CA community, Dr. Hong is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Hong go to medical school and complete their residency?
Fellowship: University of Chicago Hospitals & Pritzker School of Medicine
Residency: University of California Irvine Medical Center
Medical School: University of Miami School of Medicine in Florida | University of Miami, School of Medicine, Miami, FL | UC Irvine, School of Medicine, Irvine | University of Chicago Pritzker School of Medicine, Chicago, Il | Gastroenterologist
Is Dr. Hong board certified as a Gastroenterologist?
Yes, Dr. John Hong, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Hong speak?
Dr. Hong and their clinical team can communicate with patients in the following languages:
English
Korean
What conditions does Dr. Hong treat?
As a Gastroenterologist, Dr. Hong 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. Hong. 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.
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:
- Second Degree Hemorrhoids
- Hemorrhoids
- Internal hemorrhoids that prolapse
- Grade 2 hemorrhoids
- Moderate hemorrhoids
ICD-10 Codes:
- K641: Second degree hemorrhoids
Also known as:
- Fatty Liver Disease
- Liver Disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NAFLD
- NASH
- Hepatic steatosis
ICD-10 Codes:
- K760: Fatty (change of) liver, not elsewhere classified
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Non-cancerous Stomach Growth
- Benign Tumor
- Stomach Disorder
- Benign stomach tumor
- Stomach neoplasm
- Non-malignant stomach mass
ICD-10 Codes:
- D131: Benign neoplasm of stomach
Also known as:
- Benign Sigmoid Colon Polyp
- Benign Tumor
- Colonic Polyps
- Non-cancerous sigmoid colon growth
- Sigmoid colon adenoma
- Sigmoid colon benign tumor
ICD-10 Codes:
- D125: Benign neoplasm of sigmoid colon
What procedures does Dr. Hong perform?
As a Gastroenterologist, Dr. Hong 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. Hong. 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.
Also known as:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy with Hemorrhoid Ligation
- Colonoscopy with Polyp/Tumor Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Hemorrhoid Banding
- Colon Exam with Ligation
- Flexible colonoscopy with ablation
- Colon polyp removal
- Colon tumor destruction
- Therapeutic colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45398: Colonoscopy, flexible; with band ligation(s) (eg, hemorrhoids)
- 45388: Colonoscopy, flexible; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)
- 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:
- EGD with Esophageal Balloon Dilation
- Flexible Sigmoidoscopy with Biopsy
- Colonoscopy with Injections
- Diagnostic Upper Endoscopy with Biopsy
- Sigmoidoscopy with Hemorrhoid Banding
- Colorectal Cancer Screening Tests
- Colonoscopy
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Flexible Sigmoidoscopy with Ligation
- Hemorrhoid Banding (Sigmoidoscopy)
- Lower Endoscopy for Hemorrhoids
CPT Codes:
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45350: Sigmoidoscopy, flexible; with band ligation(s) (eg, hemorrhoids)
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
Also known as:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Sigmoid Colon Polyp Removal
- Colorectal Cancer Screening Tests
- Flexible sigmoidoscopy with ablation
- Colon tumor removal
- Lower colon lesion treatment
CPT Codes:
- 45346: Sigmoidoscopy, flexible; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)
Also known as:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
Also known as:
- Capsule Endoscopy
- Pill Camera
- Wireless Capsule Endoscopy
- Small Bowel Capsule Endoscopy
- Intestinal Imaging Pill
CPT Codes:
- 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report
Also known as:
- Wireless Esophageal pH Test
- Esophageal pH Test
- Bravo pH Test
- Esophageal Reflux Monitoring
- Acid Reflux Test
CPT Codes:
- 91035: Esophagus, gastroesophageal reflux test; with mucosal attached telemetry pH electrode placement, recording, analysis and interpretation
Does Dr. Hong accept my insurance?
Dr. Hong accepts most major insurance plans. Important: Please call our office at (760) 728-9560 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Hong accept in Fallbrook, CA?
Dr. Hong in Fallbrook, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Shield of California
Centene
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Department of Defense / Tricare
Department of Veterans Affairs
Inland Empire
OptumRx
UnitedHealthcare
View All Insurances
Where is Dr. Hong's office located?
Dr. John Hong also offers virtual visits
Dr. John Hong's Primary Practice
521 E Elder St Ste 104
Fallbrook, CA 92028
(760) 728-9560
Ratings & Reviews
5.0
Overall rating
Based on 15 reviews
Office Experience
96% of patients found the doctor and staff friendly and the office clean and modern
Attentiveness
94% of patients felt that their time spent with the doctor was meaningful and impactful and that any follow ups were addressed quickly
Appointment Booking
90% of patients found it easy to book an appointment
Diagnosis
94% of patients were satisfied with the doctor's diagnosis and explanation of their condition
Patients give Dr. John Hong an Excellent overall experience rating of 5 out of 5 stars. Dr. Hong has been rated and reviewed by 15 patients. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Hong, his bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsRecognitions
Memberships & Associations
American College of Gastroenterology
Professional Member
American Society of Gastrointestinal Endoscopy
Professional Member
American Society of Bariatric Physicians
Professional Member
Southern California Society of Gastroenterology
Professional Member
Christian Medical & Dental Association
Professional Member
What is Dr. Hong's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Hong's National Provider Identifier (NPI) number is 1023088630.
What common questions do patients ask about Dr. Hong?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hong
What is Dr. John Hong's specialty?
Dr. Hong is a Gastroenterologist near Fallbrook, CA. 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. Contact Dr. Hong to book an appointment today.
Is this Dr. John Hong affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Hong is affiliated with Loma Linda University Medical Center 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
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with 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 John Hong accepting new patients in Fallbrook, CA?
Yes, Dr. John Hong is accepting new patients at this time.
Does Dr. John Hong offer online booking?
Please contact Dr. Hong's office at (760) 728-9560 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Hong?
Please contact Dr. Hong's office at (760) 728-9560 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Hong have?
Dr. John Hong is certified by the American Board of Internal Medicine.
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