J Health Care Poor Underserved
AnxietyEmergency Service, HospitalEthnicity
Dr. Celia Mercado Ona, MD
NPI1639236243
- Medicare services, 2019
- 19
- Publications
- 4
- Industry payments
- $5,606
- Medical group
- 1
- State license
- 1
- Practice address
- 91-2301 Ft Weaver Rd, Ewa Beach, HI 96706
- Practice phone
- Call (808) 671-8511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kahi Mohala Behavioral Health
Ewa Beach, Hawaii
Find Dr. Ona's professional email, personal email and mobile number
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Dr. Celia Mercado Ona is a psychiatrist in Ewa Beach, Hawaii
Dr. Ona practices at Kahi Mohala Behavioral Health in Ewa Beach, Hawaii.
Dr. Ona's NPI, 1639236243, was assigned on January 2, 2007. Dr. Ona holds Hawaii license MD10438.
NPI and contact details
- NPI
- 1639236243NPI Registry (opens in a new tab)
- NPI enumeration date
- January 2, 2007
- NPI status
- Active
- Practice phone
- (808) 671-8511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Celia Mercado Ona practices at Kahi Mohala Behavioral Health in Ewa Beach, Hawaii
Dr. Ona's primary practice is Kahi Mohala Behavioral Health, at 91-2301 Ft Weaver Rd, Ewa Beach, HI 96706 in Honolulu County. The practice phone is (808) 671-8511.
- Kahi Mohala Behavioral Health91-2301 Ft Weaver Rd, Ewa Beach, HI 96706 · Honolulu CountyPhone(808) 671-8511
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Celia Mercado Ona is affiliated with 1 site of care and 1 medical group
Dr. Ona's primary practice is Kahi Mohala Behavioral Health in Ewa Beach, Hawaii. The medical group on file is The Queen's Medical Center.
Kahi Mohala Behavioral HealthPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Celia Mercado Ona's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ona practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kahi Mohala Behavioral Health | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Celia Mercado Ona is one of 236 psychiatrists in Hawaii
Psychiatry is Dr. Ona's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Ona is licensed in Hawaii.
Specialties and state licenses
- Psychiatry, HawaiiPrimary
Psychiatrists near Dr. Ona
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
236psychiatrists in Hawaii
5psychiatrists in Ewa Beach
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Celia Mercado Ona billed Medicare for 19 services in 2019
CMS data shows 19 Medicare services from Dr. Ona across 1 procedure code in 2019. Medicare paid $2,189 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201919
Paid by Medicare$2,189
Procedure codes1
Dr. Ona's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Tests and treatments
- 2018: 502019: 1962%
- Office and hospital visits
- 2018: 1072019: 0100%
Dr. Ona compared with the Hawaii median for psychiatrists, 2019
- Dr. Ona
- Hawaii median
- Medicare services
- 19vs 11884% below
Medians across 223 psychiatrists in Hawaii with Dmand AI profiles that report each measure.
Dr. Ona's most billed Medicare procedure codes, 2019
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
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Dr. Celia Mercado Ona has 4 publications on record
Dmand AI links 4 papers to Dr. Ona in 2020. The most frequent topics are Hawaii, Ethnicity and Insurance Coverage. Dr. Ona's most frequent co-authors are Brett Y. Lu, MD, PhD and Michael Yang, MD.
Papers4
Topics Dr. Ona writes about most
- Hawaii
- Ethnicity
- Insurance Coverage
- Military Personnel
- Stress Disorders, Post-Traumatic
Dr. Ona's most frequent co-authors
Recent publications by Dr. Ona
AsianElectroconvulsive TherapyEthnicity
Depressive Disorder, Treatment-ResistantHawaiiMilitary Personnel
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 psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Celia Mercado Ona received $5,606 in industry payments from 2016 to 2025
CMS Open Payments shows 75 general payments to Dr. Ona from 20 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, $831.
General payments to Dr. Ona by program year, 2016 to 2025
General payments to Dr. Ona by kind, 2016 to 2025
$5.6Kin total
- Food and beverage$5,603100%
- Education$30%
Companies that paid Dr. Ona the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Celia Mercado Ona's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Celia Mercado 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. Celia Mercado Ona's NPI number?
Dr. Celia Mercado Ona's NPI number is 1639236243. It was assigned on January 2, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Celia Mercado Ona?
Dr. Celia Mercado Ona is a psychiatrist in Ewa Beach, Hawaii. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Celia Mercado Ona practice?
Dr. Ona practices at 91-2301 Ft Weaver Rd, Ewa Beach, HI 96706. Dr. Ona's primary practice is Kahi Mohala Behavioral Health in Ewa Beach, Hawaii.
What is Dr. Celia Mercado Ona's office phone number?
The practice phone on file for Dr. Ona is (808) 671-8511.
What is Dr. Celia Mercado Ona's medical license number?
Dr. Ona holds Hawaii license MD10438.
What medical group is Dr. Celia Mercado Ona part of?
Dr. Ona is linked to The Queen's Medical Center.
Does Dr. Celia Mercado Ona accept Medicare?
Yes. CMS data shows Dr. Ona billed Medicare for 19 services in 2019.
What services does Dr. Celia Mercado Ona bill to Medicare?
In 2019, Dr. Ona's most billed Medicare services were psychiatric service (90792).
Has Dr. Celia Mercado Ona received payments from drug or device companies?
CMS Open Payments shows $5,606 in general payments to Dr. Ona from 20 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Celia Mercado Ona been practicing?
Dr. Ona's NPI was assigned in 2007.
Does Dr. Celia Mercado Ona do research?
Dmand AI links 4 publications to Dr. Ona.
Who does Dr. Celia Mercado Ona publish with?
Dr. Ona's most frequent co-authors are Brett Y. Lu, MD, PhD (1 shared paper) and Michael Yang, MD (1 shared paper).
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