NPPES file of Aug 9, 2026

Eileen M. Ogasawara-Chun, MD

Obstetrics & Gynecology Physician · Kaneohe, HI

Eileen M. Ogasawara-Chun, MD is an obstetrics & gynecology physician with a practice address in Kaneohe, Hawaii, and NPI 1760583876, issued on Sep 25, 2006. Check the license (Hawaii MD-8120, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1760583876
Name
Eileen M. Ogasawara-Chun
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
MD-8120 HI
Self-reported in NPPES; status is on the state search
Practice location
45-602 Kamehameha Hwy, Kaneohe, HI 96744
Phone
(808) 432-3800
Enumerated
Sep 25, 2006
Record last updated
May 7, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
074458-03 HI
Medicare enrollment
Enrolled (PECOS I20110607000708); accepts Medicare assignment
Medical or professional school
University Of Hawaii John A. Burns School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 45-602 Kamehameha Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Janine Among, MDFamily Medicine Physician1184724882
  2. Vernon Ansdell, MDInternal Medicine Physician1467587741
  3. Joan Arakaki, RPHPharmacist1891836177
  4. Iris Castro, PTAPhysical Therapy Assistant1174748016
  5. Valynn Chong, MDInternal Medicine Physician1508216318
  6. Linda Chong Tim, CNMAdvanced Practice Midwife1023043312

Verify Eileen M. Ogasawara-Chun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-8120
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Hawaii license search

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28% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

211 Medicare Part D claims for 78 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Eileen Ogasawara-Chun211
  2. Specialty average165

Most prescribed

  1. Estradiol58 claims
  2. Fluconazole19 claims
  3. Trospium Chloride18 claims
  4. Triamcinolone Acetonide15 claims
  5. Medroxyprogesterone Acetate14 claims
  6. Hydrocortisone12 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

  1. Hawaii Permanente Medical Group IncHonolulu, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Eileen M. Ogasawara-Chun among 288 obstetrics & gynecology physician records in Hawaii

Eileen M. Ogasawara-Chun, MD is one of 288 obstetrics & gynecology physician records with a practice address in Hawaii. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 58% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated1991 · median 2006 among the 158 with a school on file
  • Record last updated2021 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Hawaii

There are 288 obstetrics & gynecology physician records in Hawaii.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Li-Duen Clark, M.D.Kaneohe, HI 967441265731038
  2. Jean-Paul Clark, M.D.Kaneohe, HI 967441538468301
  3. Melissa Lawrence, MDKaneohe, HI 967441669572376
  4. Alan Papst, M.D.Kaneohe, HI 967441356491799
  5. Paul Johnston, MDKamuela, HI 967431174606131
  6. Gerard Szczygiel, DOKamuela, HI 967431467436006
  7. Mark Villarin, M.D.Kamuela, HI 967431851711592
  8. Ken Clayton, D.O.Kailua Kona, HI 967401215010194

Common questions

What is Eileen M. Ogasawara-Chun, MD's NPI number?

Eileen M. Ogasawara-Chun, MD's National Provider Identifier (NPI) is 1760583876, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eileen M. Ogasawara-Chun, MD located?

The NPPES record lists a practice address at 45-602 Kamehameha Hwy, Kaneohe, HI, 96744. Phone: (808) 432-3800. Providers update this record themselves, so call before visiting.

How can I verify Eileen M. Ogasawara-Chun, MD's license?

NPPES lists Hawaii license number MD-8120, 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 Eileen M. Ogasawara-Chun, MD prescribe under Medicare Part D?

In 2024, Eileen M. Ogasawara-Chun, MD had 211 Medicare Part D claims for 78 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.