Dr. Mel Angelo Ona, MA, MD, MPH, MS

  • Kapolei, HI
  • Gastroenterologist
NPI1720318199PAC ID7315197928
Medicare services, 2024
185
Medicare patients, 2024
174
Part D claims, 2024
376
Publications
34
Hospital affiliations
1
Practice address
590 Farrington Highway, Kapolei, HI 96707
Practice phone
Call (808) 468-4600
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ohana Endoscopy Center

Surgery Center - Medicare-Certified · Kapolei, Hawaii

See all 6 affiliations

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Dr. Mel Angelo Ona is a gastroenterologist in Kapolei, Hawaii

Dr. Ona practices at Ohana Endoscopy Center in Kapolei, Hawaii.

Dr. Ona's NPI, 1720318199, was assigned on January 7, 2010. Dr. Ona holds Hawaii license MD-19048.

NPI and contact details
Medicare PAC ID
7315197928
NPI enumeration date
January 7, 2010
NPI status
Active
Offers telehealth
Yes
Practice phone
(808) 468-4600
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
43
Medical school graduation
2009

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mel Angelo Ona practices at Ohana Endoscopy Center in Kapolei, Hawaii

Dr. Ona's primary practice is Ohana Endoscopy Center, at 590 Farrington Highway, Kapolei, HI 96707. The practice phone is (808) 468-4600.

  • Ohana Endoscopy Center
    590 Farrington Highway, Kapolei, HI 96707Phone(808) 468-4600

Source: Dmand AI Affiliation Data

Dr. Mel Angelo Ona is affiliated with 4 sites of care and 2 medical groups

Dr. Ona's primary practice is Ohana Endoscopy Center in Kapolei, Hawaii. Dr. Ona is also affiliated with Pali Momi Medical Center. The medical group on file is Waianae Coast Comprehensive Health Center. Dmand AI also links Dr. Ona to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Ona

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mel Angelo Ona's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ona practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ohana Endoscopy CenterAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mel Angelo Ona is one of 76 gastroenterologists in Hawaii

Gastroenterology is Dr. Ona's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Ona's licenses on file in 2 states: Hawaii and New York.

Specialties and state licenses

  • Gastroenterology, HawaiiPrimaryLicense MD-19048 · taxonomy 207RG0100X
  • Internal medicine, New YorkLicense 266590 · taxonomy 207R00000X

Gastroenterologists near Dr. Ona

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

76gastroenterologists in Hawaii
4gastroenterologists in Kapolei

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Mel Angelo Ona billed Medicare for 185 services in 2024

CMS data shows 185 Medicare services from Dr. Ona across 4 procedure codes in 2024, for 174 Medicare patients. Medicare paid $22,150 for them.

Medicare services, 2024185
Medicare patients174
Paid by Medicare$22,150
Procedure codes4

Dr. Ona's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 1102024: 15541%
Office and hospital visits
2023: 622024: 3052%

Where Dr. Ona's Medicare services took place, 2024

  • In an office3016%
  • In a facility15584%

Dr. Ona compared with the Hawaii median for gastroenterologists, 2024

  • Dr. Ona
  • Hawaii median
Medicare services
185vs 30139% below
Medicare patients
174vs 170Close to median
Part D claims
300vs 300Close to median

Medians across 72 gastroenterologists in Hawaii with Dmand AI profiles that report each measure.

Dr. Ona's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mel Angelo Ona treated 174 Medicare patients in 2024, average age 73

CMS counts 174 Medicare patients who saw Dr. Ona in 2024. The largest group is 65 to 74, with 78 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.52, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ona's median patient age at 57, with 53% women.

Medicare patients, 2024174
Average age73
Average risk score1.52
Also on Medicaid9%

Dr. Ona's Medicare patients by age, 2024

Dr. Ona's Medicare patients by sex, 2024

  • Women10158%
  • Men7342%

Chronic conditions among Dr. Ona's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease47%
  4. Diabetes44%
  5. Arthritis34%
  6. Cancer19%
  7. Ischemic heart disease19%
  8. Osteoporosis19%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ona's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women53%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mel Angelo Ona wrote 376 Medicare Part D claims in 2024

In 2024, Dr. Ona wrote 376 Medicare Part D claims for 278 patients. 83% of them were for generic drugs. CMS names the drug for 300 of them, across 6 drugs with 11 or more claims each, at $26,077 in total drug cost. In 2023, CMS named 312 claims across 6 drugs.

Part D claims, 2024376
Drugs named by CMS6
Total drug cost$26,077
Part D patients278

Dr. Ona's Part D claims by kind of drug, 2024

  • Generic312 claims83%
  • Brand-name64 claims17%

Dr. Ona's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Ona's Part D claims, 2024

  • Antibiotics6%24 of 376 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3122024: 3004%

Drugs named by CMS: 6 in 2024, 6 in 2023.

See all prescribing by Dr. Ona

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Mel Angelo Ona ranks in the 76th percentile for colonoscopy in Medicare

CMS lists Dr. Ona as offering telehealth. CMS counts 86 procedures of colonoscopy by Dr. Ona, more than 76% of the clinicians it reports for that procedure.

Offers telehealth
Yes

Where Dr. Ona ranks in Medicare procedure volume

Colonoscopy
76th percentile86 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
62nd percentile45 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Mel Angelo Ona has 34 publications on record

Dmand AI links 34 papers to Dr. Ona, published from 2012 to 2024. 2019 was the busiest year, with 9. Dr. Ona has published most often in Cureus. Dr. Ona's most frequent co-authors are Madhavi Reddy, MD, Madhavi Reddy, MD and Sushil M. Duddempudi, MD.

Papers34
Years published2012 to 2024

Dr. Ona's papers by year, 2012 to 2024

Dr. Ona's most frequent co-authors

Recent publications by Dr. Ona

See all 34 publications and co-authors

See who Dr. Ona researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ona works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Mel Angelo Ona received $5,110 in industry payments from 2016 to 2025

CMS Open Payments shows 244 general payments to Dr. Ona from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $2,299.

General payments to Dr. Ona by program year, 2016 to 2025

Companies that paid Dr. Ona the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ona

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Mel Angelo Ona's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mel Angelo Ona

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Mel Angelo Ona's NPI number?

Dr. Mel Angelo Ona's NPI number is 1720318199. It was assigned on January 7, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Mel Angelo Ona?

Dr. Mel Angelo Ona is a gastroenterologist in Kapolei, Hawaii. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Mel Angelo Ona practice?

Dr. Ona practices at 590 Farrington Highway, Kapolei, HI 96707. Dr. Ona's primary practice is Ohana Endoscopy Center in Kapolei, Hawaii. Dmand AI also links Dr. Ona to 2 group practices and clinics and 1 medical group.

What is Dr. Mel Angelo Ona's office phone number?

The practice phone on file for Dr. Ona is (808) 468-4600.

What is Dr. Mel Angelo Ona's medical license number?

Dr. Ona holds Hawaii license MD-19048, one of the licenses on file in 2 states.

Which states has Dr. Mel Angelo Ona been licensed in?

Dmand AI has state licenses on file for Dr. Ona in Hawaii and New York.

Which hospitals is Dr. Mel Angelo Ona affiliated with?

Dr. Ona is affiliated with Pali Momi Medical Center.

What medical group is Dr. Mel Angelo Ona part of?

Dr. Ona is linked to Waianae Coast Comprehensive Health Center. Dmand AI links Dr. Ona to 1 more medical group.

Does Dr. Mel Angelo Ona accept Medicare?

Yes. CMS data shows Dr. Ona billed Medicare for 185 services in 2024.

Does Dr. Mel Angelo Ona offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ona as offering telehealth services.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Mel Angelo Ona see?

CMS counts 174 Medicare patients who saw Dr. Ona in 2024, with an average age of 73.

What services does Dr. Mel Angelo Ona bill to Medicare?

In 2024, Dr. Ona's most billed Medicare services were surgery: digestive system (43239), surgery: digestive system (45385) and office visit, established patient (99213).

What drugs does Dr. Mel Angelo Ona prescribe most?

In 2024 Medicare Part D data, Dr. Ona's most prescribed drugs by claims were Gavilyte-G, Peg-3350 And Electrolytes and Pantoprazole Sodium.

Has Dr. Mel Angelo Ona received payments from drug or device companies?

CMS Open Payments shows $5,110 in general payments to Dr. Ona from 27 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Mel Angelo Ona been practicing?

Dr. Ona graduated from medical school in 2009, 17 years ago.

Does Dr. Mel Angelo Ona do research?

Dmand AI links 34 publications to Dr. Ona, published from 2012 to 2024.

Who does Dr. Mel Angelo Ona publish with?

Dr. Ona's most frequent co-authors are Madhavi Reddy, MD (13 shared papers), Madhavi Reddy, MD (11 shared papers) and Sushil M. Duddempudi, MD (7 shared papers).

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