NPPES file of Aug 9, 2026

Rebecca S. Sawai, MD

Colon & Rectal Surgery Physician · Honolulu, HI

Rebecca S. Sawai, MD is a colon & rectal surgery physician with a practice address in Honolulu, Hawaii, and NPI 1841416500, issued on Apr 18, 2007. Check the license (Hawaii MD-14775, 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
1841416500
Name
Rebecca S. Sawai
Credential
MD
Primary taxonomy
Colon & Rectal Surgery Physician 208C00000X
License numbers
MD-14775 HI
50135 MN
Self-reported in NPPES; status is on the state search
Practice location
3288 Moanalua RD, Honolulu, HI 96819
Phone
(808) 432-0000
Enumerated
Apr 18, 2007
Record last updated
May 26, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid IDs
672433000 MN
623076-01 HI
Medicare enrollment
Enrolled (PECOS I20081016000139); accepts Medicare assignment
Medical or professional school
University Of Rochester School Of Medicine And Dentistry, 2001
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 3288 Moanalua RD

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

  1. Randal Aaberg, MDUrology Physician1588763981
  2. Peter Abcarian, MDVascular & Interventional Radiology Physician1457451155
  3. Melissa Abraham, M.A., CCC-SLPSpeech-Language Pathologist1295064301
  4. Alan Ahana, MDAnesthesiology Physician1376742239
  5. Harrison Aihara, PHARMDPharmacist1124174321
  6. Oluwatoyin Ajose, MDPediatrics Physician1114090008

Verify Rebecca S. Sawai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-14775
    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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39% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024

118 Medicare Part D claims for 42 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D.

  1. Rebecca Sawai118
  2. Specialty average192

Most prescribed

  1. Metronidazole26 claims
  2. Neomycin Sulfate26 claims
  3. Gavilyte-C24 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).

Colon & Rectal Surgery Physician providers in Hawaii

There are 3 colon & rectal surgery physician records in Hawaii.

The 2 colon & rectal surgery physician records with the nearest ZIP codes

  1. Jonathan Kuehne, MDHonolulu, HI 968191780751677
  2. Suzanne Gillern, M.D.Tripler Army Medical Center, HI 968591487984233

Common questions

What is Rebecca S. Sawai, MD's NPI number?

Rebecca S. Sawai, MD's National Provider Identifier (NPI) is 1841416500, issued on Apr 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Rebecca S. Sawai, MD located?

The NPPES record lists a practice address at 3288 Moanalua RD, Honolulu, HI, 96819. Phone: (808) 432-0000. Providers update this record themselves, so call before visiting.

How can I verify Rebecca S. Sawai, MD's license?

NPPES lists Hawaii license number MD-14775, 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 Rebecca S. Sawai, MD prescribe under Medicare Part D?

In 2024, Rebecca S. Sawai, MD had 118 Medicare Part D claims for 42 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. 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.