Nathan Koji Itoga, M.D.
Vascular Surgery Physician · Honolulu, HI
Nathan Koji Itoga, M.D. is a vascular surgery physician with a practice address in Honolulu, Hawaii, and NPI 1366880098, issued on Jun 4, 2013. Check the license on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nathan Koji Itoga
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- Practice location
- 1508 Laukahi St, Honolulu, HI 96821
- Phone
- (808) 295-0319
- Enumerated
- Jun 4, 2013
- Record last updated
- Jun 4, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200715002121); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 25 in Hawaii → Look up another NPI →
Verify Nathan Koji Itoga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average vascular surgery physician in 2024
214 Medicare Part D claims for 113 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims. 74 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen38 claims
- Xarelto35 claims
- Clopidogrel28 claims
- Doxycycline Hyclate19 claims
- Eliquis19 claims
- Oxycodone Hcl19 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: $8,504.18
36 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Hawaii Vascular And Endovascular IncHonolulu, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Koji Itoga among 25 vascular surgery physician records in Hawaii
Nathan Koji Itoga, M.D. is one of 25 vascular surgery physician records with a practice address in Hawaii. 84% 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 76% of them.
- NPI issued2013 · 76% of these records are older, 12% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2013 · median 2003 among the 21 with a school on file
- Record last updated2013 · 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 2086S0129X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in Hawaii
There are 25 vascular surgery physician records in Hawaii.
All 25 in Hawaii → Every provider in Honolulu → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Michael Caps, MDHonolulu, HI 968191316047293
- Justin Galovich, MDHonolulu, HI 968191033303524
- Selena Goss, MA, MDHonolulu, HI 968191306159603
- Nicolas Nelken, MDHonolulu, HI 968191396899902
- Peter Schneider, MDHonolulu, HI 968191720189640
- James Greig, MD FACSHonolulu, HI 968171720043706
- Jessica GreenHonolulu, HI 968131023458700
- Tanner Kim, M.D.Honolulu, HI 968131154778249
Common questions
What is Nathan Koji Itoga, M.D.'s NPI number?
Nathan Koji Itoga, M.D.'s National Provider Identifier (NPI) is 1366880098, issued on Jun 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Koji Itoga, M.D. located?
The NPPES record lists a practice address at 1508 Laukahi St, Honolulu, HI, 96821. Phone: (808) 295-0319. Providers update this record themselves, so call before visiting.
How can I verify Nathan Koji Itoga, M.D.'s license?
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 Nathan Koji Itoga, M.D. prescribe under Medicare Part D?
In 2024, Nathan Koji Itoga, M.D. had 214 Medicare Part D claims for 113 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.