Brennen L. C. Owan, DO
Family Medicine Physician · Kapolei, HI
Brennen L. C. Owan, DO is a family medicine physician with a practice address in Kapolei, Hawaii, and NPI 1477896629, issued on Apr 5, 2013. Check the license (Hawaii DOS-1747, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brennen L. C. Owan
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- DOS-1747 HI
9096182-1204 UT
Self-reported in NPPES; status is on the state search - Practice location
- 401 Kamokila Blvd, Kapolei, HI 96707
- Phone
- (808) 432-3600
- Enumerated
- Apr 5, 2013
- Record last updated
- Jul 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160906002531); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 730 in Hawaii → Look up another NPI →
Also registered at 401 Kamokila Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Abe, PHARMDPharmacist1073278479
- Joyce Aldon, PA-CPhysician Assistant1336180124
- Valerie Besenbruch, MDPediatrics Physician1760565212
- Janette Brunken, M.D.Family Medicine Physician1194992073
- Robin Egan, PA-CPhysician Assistant1972955474
- Carol Fong, MDFamily Medicine Physician1326121815
Verify Brennen L. C. Owan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license DOS-1747Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family medicine physician in 2024
8,911 Medicare Part D claims for 1,111 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 213 claims were for opioids.
Most prescribed
- Atorvastatin Calcium974 claims
- Losartan Potassium450 claims
- Lisinopril441 claims
- Amlodipine Besylate384 claims
- Metformin Hcl230 claims
- Levothyroxine Sodium212 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Hawaii Permanente Medical Group IncWaianae, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brennen L. C. Owan among 730 family medicine physician records in Hawaii
Brennen L. C. Owan, DO is one of 730 family medicine physician records with a practice address in Hawaii. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 66% of them.
- NPI issued2013 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 family medicine physician records list a practice address in Kapolei
They are 28 of the 1,047 NPPES records with a practice address in Kapolei, and 730 family medicine physician records in Hawaii.
All 730 in Hawaii → Every provider in Kapolei → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Janette Brunken, M.D.Kapolei, HI 967071194992073
- Carol Fong, MDKapolei, HI 967071326121815
- Tracie Hata, MDKapolei, HI 967071912065285
- Jonathan Kim, M.D.Kapolei, HI 967071629281225
- Stacy Lau, MDKapolei, HI 967071407944051
- Bradley Lee, M.D.Kapolei, HI 967071366508277
- Derek Mito, MDKapolei, HI 967071558335042
- Oanh Nguyen, D.O.Kapolei, HI 967071629054614
Common questions
What is Brennen L. C. Owan, DO's NPI number?
Brennen L. C. Owan, DO's National Provider Identifier (NPI) is 1477896629, issued on Apr 5, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Brennen L. C. Owan, DO located?
The NPPES record lists a practice address at 401 Kamokila Blvd, Kapolei, HI, 96707. Phone: (808) 432-3600. Providers update this record themselves, so call before visiting.
How can I verify Brennen L. C. Owan, DO's license?
NPPES lists Hawaii license number DOS-1747, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brennen L. C. Owan, DO prescribe under Medicare Part D?
In 2024, Brennen L. C. Owan, DO had 8,911 Medicare Part D claims for 1,111 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.