NPPES file of Aug 9, 2026

David A. Kato, MD

Internal Medicine Physician · Wailuku, HI

David A. Kato, MD is an internal medicine physician with a practice address in Wailuku, Hawaii, and NPI 1194018895, issued on May 27, 2011. Check the license (Hawaii MD-17512, 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
1194018895
Name
David A. Kato
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD-17512 HI
Self-reported in NPPES; status is on the state search
Practice location
221 Mahalani St, Wailuku, HI 96793
Phone
(808) 244-9056
Enumerated
May 27, 2011
Record last updated
May 24, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20141009000481); accepts Medicare assignment
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 221 Mahalani St

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

  1. Bettina Ackermann, MDPediatrics Physician1205807625
  2. Naira ArellanoAcute Care Nurse Practitioner1831525898
  3. Danielle Aubert-Anderson, LMSWSocial Worker1508369422
  4. James Bendon, MDDiagnostic Radiology Physician1780725432
  5. Miriam BerchukAnesthesiology Physician1013573823
  6. Ariel Berrios, PA-CPhysician Assistant1669911640

Verify David A. Kato in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-17512
    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.

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95% fewer Medicare Part D claims than the average internal medicine physician in 2024

156 Medicare Part D claims for 47 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. David Kato156
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium15 claims
  2. Metoprolol Succinate11 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 IncWailuku, HI

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

David A. Kato among 902 internal medicine physician records in Hawaii

David A. Kato, MD is one of 902 internal medicine physician records with a practice address in Hawaii. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 65% of them.

  • NPI issued2011 · 65% of these records are older, 33% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2011 · median 2001 among the 491 with a school on file
  • Record last updated2021 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

39 internal medicine physician records list a practice address in Wailuku

They are 39 of the 1,087 NPPES records with a practice address in Wailuku, and 902 internal medicine physician records in Hawaii.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nolan Arruda, M.D.Wailuku, HI 967931043242209
  2. Victoria Babushkina, MDWailuku, HI 967931972568483
  3. Daniel Garcia, M.D.Wailuku, HI 967931689699449
  4. Russell Garn, M.D.Wailuku, HI 967931033134804
  5. Paul Grandon, MDWailuku, HI 967931215908959
  6. Arpana Gupta, MDWailuku, HI 967931285668624
  7. Kristen Gutermuth, M.D.Wailuku, HI 967931558386243
  8. Heather Haynes, M.D.Wailuku, HI 967931487664587

Common questions

What is David A. Kato, MD's NPI number?

David A. Kato, MD's National Provider Identifier (NPI) is 1194018895, issued on May 27, 2011. An NPI identifies a provider in billing; it is not a license.

Where is David A. Kato, MD located?

The NPPES record lists a practice address at 221 Mahalani St, Wailuku, HI, 96793. Phone: (808) 244-9056. Providers update this record themselves, so call before visiting.

How can I verify David A. Kato, MD's license?

NPPES lists Hawaii license number MD-17512, 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 David A. Kato, MD prescribe under Medicare Part D?

In 2024, David A. Kato, MD had 156 Medicare Part D claims for 47 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.