John P. Oka, DDS
- Part D claims, 2024
- 89
- Industry payments
- $41
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 98-150 Kaonohi St, Aiea, HI 96701-5047
- Practice phone
- Call (808) 488-3368
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hawaii Family Dental Centers-westridge
Dental practice · Aiea, Hawaii
Find John Oka's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
John P. Oka is a general practice dentistry in Kailua, Hawaii
John Oka practices at Hawaii Family Dental Centers-westridge in Aiea, Hawaii.
John Oka's NPI, 1023253747, was assigned on December 9, 2008. John Oka holds Hawaii license DT2393.
- NPI
- 1023253747NPI Registry (opens in a new tab)
- NPI enumeration date
- December 9, 2008
- NPI status
- Active
- Practice phone
- (808) 488-3368
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John P. Oka practices in Aiea and Kailua
John Oka's primary practice is Hawaii Family Dental Centers-westridge, at 98-150 Kaonohi St, Aiea, HI 96701-5047. The practice phone is (808) 488-3368. The NPI Registry lists John Oka's practice address as 970 N Kalaheo Ave, Kailua, HI 96734.
- Hawaii Family Dental Centers-westridgePrimary98-150 Kaonohi St, Aiea, HI 96701-5047Phone(808) 488-3368
- NPI Registry address970 N Kalaheo Ave, Kailua, HI 96734 · Honolulu County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
John P. Oka is affiliated with 1 site of care and 1 medical group
John Oka's primary practice is Hawaii Family Dental Centers-westridge in Aiea, Hawaii. Dmand AI also links John Oka to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at John P. Oka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Oka practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hawaii Family Dental Centers-westridge | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
John P. Oka is one of 320 general practice dentistrys in Hawaii
General practice is John Oka's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Dmand AI has John Oka's licenses on file in 2 states: Hawaii and California.
Specialties and state licenses
- General practice dentistry, HawaiiPrimary
- California license
General practice dentistrys near John Oka
Counts of general practice dentistrys with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
John P. Oka's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts John Oka's median patient age at 80, with 0% women.
John Oka's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
John P. Oka wrote 89 Medicare Part D claims in 2024
In 2024, John Oka wrote 89 Medicare Part D claims for 55 patients. 93% of them were for generic drugs.
John Oka's Part D claims by kind of drug, 2024
- Generic83 claims93%
- Brand-name and other6 claims7%
Drug classes CMS tracks in John Oka's Part D claims, 2024
- Antibiotics62%55 of 89 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
John P. Oka received $41 in industry payments in 2025
CMS Open Payments shows 2 general payments to John Oka from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Dentsply Sirona Inc paid the most, $22.
Companies that paid John Oka the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John P. Oka'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| 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 John P. Oka
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John P. Oka's NPI number?
John P. Oka's NPI number is 1023253747. It was assigned on December 9, 2008, and it is active in the NPI Registry.
What does John P. Oka specialize in?
John P. Oka is a general practice dentistry in Kailua, Hawaii. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does John P. Oka practice?
John Oka practices at 98-150 Kaonohi St, Aiea, HI 96701-5047. John Oka also practices at 970 N Kalaheo Ave, Kailua, HI 96734. John Oka's primary practice is Hawaii Family Dental Centers-westridge in Aiea, Hawaii. Dmand AI also links John Oka to 1 medical group.
What is John P. Oka's office phone number?
The practice phone on file for John Oka is (808) 488-3368.
What is John P. Oka's medical license number?
John Oka holds Hawaii license DT2393, one of the licenses on file in 2 states.
Which states has John P. Oka been licensed in?
Dmand AI has state licenses on file for John Oka in Hawaii and California.
Has John P. Oka received payments from drug or device companies?
CMS Open Payments shows $41 in general payments to John Oka from 2 companies from 2025 to 2025. The largest total came from Dentsply Sirona Inc.
How long has John P. Oka been practicing?
John Oka's NPI was assigned in 2008.
Selling to general practice practices?
See general practice dentistrys in Hawaii by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card