Dr. Mel A. Ona
- Gender: Male
- Experience: 12 years
- Graduation year: 2009
- Sole propriator: Yes
- NPI: 1720318199
Dr. Mel A. Ona MD, MS, MPH, MA
Gastroenterologist
He is located at 590 Farrington Highway Unit 526A in Kapolei, HI 96707. Can help patients with the following: Blood in Stool, Gastric Bypass Surgery, Internal Bleeding, Osteoporosis, Primary Sclerosing Cholangitis (PSC), Urethritis. His National Provider Identifier (NPI) number is 1720318199. Appointment can be made via the phone number (808) 762-2311. He is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. Mel Angelo Ona, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Mel A. Ona.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Mel A. Ona
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mel A. Ona as in-network for the following 2026 plans.
Health plans
HMSA
Network data as of Sep 14, 2026, as reported by the insurer.
Show all 7 plans from HMSA
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| HMSA Bronze PPO I | PPO · Expanded Bronze | Preferred Provider Plan | Accepting new patients |
| HMSA Bronze PPO II HSA | PPO · Expanded Bronze | Preferred Provider Plan | Accepting new patients |
| HMSA Catastrophic Plan | PPO · Catastrophic | Preferred Provider Plan | Accepting new patients |
| HMSA Gold PPO I | PPO · Gold | Preferred Provider Plan | Accepting new patients |
| HMSA Gold PPO II | PPO · Gold | Preferred Provider Plan | Accepting new patients |
| HMSA Platinum PPO | PPO · Platinum | Preferred Provider Plan | Accepting new patients |
| HMSA Silver PPO | PPO · Silver | Preferred Provider Plan | Accepting new patients |
Kaiser Permanente
Network data as of Aug 5, 2025, as reported by the insurer.
Show all 10 plans from Kaiser Permanente
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| KP HI Bronze 6000/65 Plus CAM | HMO · Expanded Bronze | Preferred | Accepting new patients |
| KP HI Gold 0/40 Plus CAM | HMO · Gold | Preferred | Accepting new patients |
| KP HI Gold 1000 Ded/250 Rx Ded | HMO · Gold | Preferred | Accepting new patients |
| KP HI Platinum 0/5 Plus CAM | HMO · Platinum | Preferred | Accepting new patients |
| KP HI Silver 3000 Ded/600 Rx Ded Plus CAM | HMO · Silver | Preferred | Accepting new patients |
| KP HI Silver 4000 Ded/600 Rx Ded | HMO · Silver | Preferred | Accepting new patients |
| KP HI Standard Bronze 7500/50 | HMO · Expanded Bronze | Preferred | Accepting new patients |
| KP HI Standard Gold 2000/30 | HMO · Gold | Preferred | Accepting new patients |
| KP HI Standard Platinum 0/10 | HMO · Platinum | Preferred | Accepting new patients |
| KP HI Standard Silver 6000/40 | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Mel A. Ona is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Mel A. Ona is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Bills through: Waianae District Comprehensive Health And Hospital Board Incorporated
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| AbbVie | $1072 |
| Boston Scientific | $285 |
| Allergan | $156 |
Other
| Food and Beverage | $1936 |
Studies
Graduated in 2009Additional Specialities
- Internist
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Questions & Answers
Does Dr. Mel Angelo Ona accept patients with Kaiser Permanente?
Yes, Dr. Mel Angelo Ona is listed in-network for Kaiser Permanente through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Does Dr. Mel Angelo Ona have affiliation with practices?
Dr. Mel Angelo Ona is affiliated with Hawaii Gastroenterology Specialists.
What conditions does Dr. Mel Angelo Ona treat?
Dr. Mel Angelo Ona provides treatment for Blood in Stool, Gastric Bypass Surgery, Internal Bleeding, Osteoporosis, Primary Sclerosing Cholangitis (PSC), Urethritis. For the full list see this list.
Has Dr. Mel Angelo Ona affiliation with hospitals?
Dr. Mel Angelo Ona is affiliated with PALI MOMI MEDICAL CENTER.
Where can you meet with Dr. Mel Angelo Ona?
Dr. Mel Angelo Ona's office is located at 590 Farrington Highway Unit 526A in Kapolei, HI 96707.