Who is Dr. Ona, Gastroenterologist in Honolulu, HI?
Dr. Fernando Ona, MD is a Gastroenterologist, who primarily practices in Honolulu, HI with 1 additional practice location. He has been practicing for over 52 years and is board certified. Dr. Ona completed his residency at New England Med Ctr Hosps, Internal Medicine Boston City Hosp, Gastroenterology Vet Affairs Med Ctr, Internal Medicine Raritan Bay Med Ctr, Flexible Or Transitional Year.
Dr. Ona is fluent in English, Filipino, Pilipino, and Tagalog, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Ona’s office at (808) 433-0080.
Where did Dr. Ona go to medical school and complete their residency?
Residency: New England Med Ctr Hosps, Internal Medicine Boston City Hosp, Gastroenterology Vet Affairs Med Ctr, Internal Medicine Raritan Bay Med Ctr, Flexible Or Transitional Year | Boston Medical Center
Is Dr. Ona board certified as a Gastroenterologist?
Yes, Dr. Fernando Ona, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Ona speak?
Dr. Ona and their clinical team can communicate with patients in the following languages:
English
Filipino
Pilipino
Tagalog
What conditions does Dr. Ona treat?
As a Gastroenterologist, Dr. Ona 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. Ona. 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:
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:
Upper Middle Abdominal Pain
Abdominal Pain
Epigastric pain
Pain below breastbone
Upper stomach pain
ICD-10 Codes:
R1013: Epigastric pain
Which procedures does Dr. Ona perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by Dr. Fernando Ona may include:
What is Dr. Ona's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ona's National Provider Identifier (NPI) number is 1811934748.
What common questions do patients ask about Dr. Ona?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ona
What is Dr. Fernando Ona's specialty?
Dr. Ona is a Gastroenterologist near Honolulu, HI.
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. Ona to book an appointment today.
Is this Dr. Fernando Ona affiliated with a ranked Castle Connolly Top Hospital?
No, Ona is not affiliated with a Castle Connolly Top Hospital.
Castle Connolly Top Hospitals 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 Fernando Ona accepting new patients in Honolulu, HI?
Yes, Dr. Fernando Ona is accepting new patients at this time.
Does Dr. Fernando Ona offer online booking?
Please contact Dr. Ona's office at (808) 433-0080 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Fernando Ona?
Please contact Dr. Ona's office at (808) 433-0080 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Fernando Ona have?
Dr. Fernando Ona is certified by the American Board of Internal Medicine.