NPPES file of Aug 9, 2026

Owen Koh Nishikawa, MD

Family Medicine Physician · Honolulu, HI

Owen Koh Nishikawa, MD is a family medicine physician with a practice address in Honolulu, Hawaii, and NPI 1053471797, issued on Dec 11, 2006. Check the license (Hawaii MD 11702, 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
1053471797
Name
Owen Koh Nishikawa
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD 11702 HI
Self-reported in NPPES; status is on the state search
Practice location
321 N Kuakini Street, Honolulu, HI 96817
Phone
(808) 536-5383
Enumerated
Dec 11, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(808) 526-0877
Medicare enrollment
Enrolled (PECOS I20040510001484); accepts Medicare assignment
Medical or professional school
University Of Hawaii John A. Burns School Of Medicine, 1999
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 321 N Kuakini Street

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

  1. James Greig, MD FACSVascular Surgery Physician1720043706
  2. Isaac Ige, PA CPhysician Assistant1437259033
  3. Izumi Kobashigawa, MDFamily Medicine Physician1366550865
  4. James Tamai, DDSGeneral Practice Dentistry1336279678

Verify Owen Koh Nishikawa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD 11702
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

22% more Medicare Part D claims than the average family medicine physician in 2024

4,317 Medicare Part D claims for 405 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 14 claims were for opioids.

  1. Owen Nishikawa4,317
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium678 claims
  2. Rosuvastatin Calcium204 claims
  3. Losartan Potassium171 claims
  4. Amlodipine Besylate154 claims
  5. Olmesartan Medoxomil142 claims
  6. Metformin Hcl122 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.

Industry payments in 2024: $612.53

31 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Owen Nishikawa$612.53
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

160 family medicine physician records list a practice address in Honolulu

They are 160 of the 12,408 NPPES records with a practice address in Honolulu, and 730 family medicine physician records in Hawaii.

Other family medicine physician records in Hawaii

  1. Jenifer Aaronson, M.D.Kamuela, HI1053607119
  2. Sharita Abbott, M.D.Lahaina, HI1336295633
  3. David Abelson, MDKahului, HI1336196690
  4. Alex Aberin, MDPapaikou, HI1992717854
  5. Danielle Dawn Acacio, MDJbphh, HI1023643749
  6. Christina Adams, M.D.Waianae, HI1215132915
  7. Alice Adee, MDHilo, HI1376638734
  8. Adam Adler, MDHilo, HI1053568923
  9. Lauren Adler, NPKailua, HI1881358638
  10. Angelica Agapito, MDEwa Beach, HI1578084505

Common questions

What is Owen Koh Nishikawa, MD's NPI number?

Owen Koh Nishikawa, MD's National Provider Identifier (NPI) is 1053471797, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Owen Koh Nishikawa, MD located?

The NPPES record lists a practice address at 321 N Kuakini Street, Honolulu, HI, 96817. Phone: (808) 536-5383. Providers update this record themselves, so call before visiting.

How can I verify Owen Koh Nishikawa, MD's license?

NPPES lists Hawaii license number MD 11702, 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 Owen Koh Nishikawa, MD prescribe under Medicare Part D?

In 2024, Owen Koh Nishikawa, MD had 4,317 Medicare Part D claims for 405 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.