Jeffrey Tadashi Sakamoto, MD
Emergency Medicine Physician · Honolulu, HI
Jeffrey Tadashi Sakamoto, MD is an emergency medicine physician with a practice address in Honolulu, Hawaii, and NPI 1790219202, issued on Apr 12, 2017. Check the license (Hawaii MD-21692, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Tadashi Sakamoto
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD-21692 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1301 Punchbowl St, Honolulu, HI 96813
- Phone
- (808) 691-1000
- Enumerated
- Apr 12, 2017
- Record last updated
- Aug 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210830003303); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 370 in Hawaii → Look up another NPI →
Also registered at 1301 Punchbowl St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brenda Abbotnakandakari, RNDiabetes Educator Registered Nurse1760705248
- Janette AbramowitzPsychiatry Physician1275952335
- Natalie AdolfPhysician Assistant1396282414
- Hessam Afshari, MDEmergency Medicine Physician1811217573
- Cheryl Ann Afuso-Sumimoto, APRNOncology Clinical Nurse Specialist1750929253
- Kyan Renie AgbayaniInternal Medicine Physician1083101323
Verify Jeffrey Tadashi Sakamoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-21692Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average emergency medicine physician in 2024
283 Medicare Part D claims for 180 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 11 claims were for opioids.
Most prescribed
- Doxycycline Hyclate34 claims
- Ondansetron Odt34 claims
- Cefpodoxime Proxetil19 claims
- Amoxicillin-Clavulanate Potass16 claims
- Prednisone14 claims
- Ciprofloxacin Hcl12 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: $54.37
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 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
- The Emergency Group, Inc.Honolulu, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Tadashi Sakamoto among 370 emergency medicine physician records in Hawaii
Jeffrey Tadashi Sakamoto, MD is one of 370 emergency medicine physician records with a practice address in Hawaii. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2017 · median 2012 among the 202 with a school on file
- Record last updated2021 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
161 emergency medicine physician records list a practice address in Honolulu
They are 161 of the 12,408 NPPES records with a practice address in Honolulu, and 370 emergency medicine physician records in Hawaii.
All 370 in Hawaii → Every provider in Honolulu → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Vijak Ayasanonda, M.D.Honolulu, HI 968131346285582
- Monte Elias, M.D.Honolulu, HI 968131821024985
- Mark Flanagan, DOHonolulu, HI 968131679559132
- Lily Gallagher, M.D.Honolulu, HI 968131538198916
- Ramsey Hasan, MDHonolulu, HI 968131184662256
- Matt Ing, M.D.Honolulu, HI 968131295770881
- Eric Klemmer, M.D.Honolulu, HI 968131346276052
- Dale Oda, M.D.Honolulu, HI 968131831126556
Common questions
What is Jeffrey Tadashi Sakamoto, MD's NPI number?
Jeffrey Tadashi Sakamoto, MD's National Provider Identifier (NPI) is 1790219202, issued on Apr 12, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Tadashi Sakamoto, MD located?
The NPPES record lists a practice address at 1301 Punchbowl St, Honolulu, HI, 96813. Phone: (808) 691-1000. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Tadashi Sakamoto, MD's license?
NPPES lists Hawaii license number MD-21692, 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 Jeffrey Tadashi Sakamoto, MD prescribe under Medicare Part D?
In 2024, Jeffrey Tadashi Sakamoto, MD had 283 Medicare Part D claims for 180 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.