NPPES file of Aug 9, 2026

Isac C. Thomas, MD

Cardiovascular Disease Physician · Honolulu, HI

Isac C. Thomas, MD is a cardiovascular disease physician with a practice address in Honolulu, Hawaii, and NPI 1003129388, issued on Jul 15, 2010. Check the license (Hawaii MD-22573, 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
1003129388
Name
Isac C. Thomas
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
MD-22573 HI
A130326 CA
Self-reported in NPPES; status is on the state search
Practice location
3288 Moanalua RD, Honolulu, HI 96819
Phone
(808) 432-0000
Enumerated
Jul 15, 2010
Record last updated
Jul 21, 2022
Medicaid ID
1003129388 WI
Medicare enrollment
Enrolled (PECOS I20220805001727); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2010
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 Isac C. Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-22573
    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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53% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

1,437 Medicare Part D claims for 351 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Isac Thomas1,437
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate310 claims
  2. Atorvastatin Calcium125 claims
  3. Amlodipine Besylate119 claims
  4. Pradaxa85 claims
  5. Losartan Potassium82 claims
  6. Spironolactone80 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).

Isac C. Thomas among 84 cardiovascular disease physician records in Hawaii

Isac C. Thomas, MD is one of 84 cardiovascular disease physician records with a practice address in Hawaii. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 74% of them.

  • NPI issued2010 · 74% of these records are older, 21% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2010 · median 2000 among the 56 with a school on file
  • Record last updated2022 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Hawaii

There are 84 cardiovascular disease physician records in Hawaii.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Paul Ho, MDHonolulu, HI 968191962558833
  2. Ali Merchant, MDHonolulu, HI 968191023285236
  3. Sanford Warren, MDHonolulu, HI 968191104900190
  4. Vincent Yap, MDHonolulu, HI 968191730226861
  5. Steven Azuma, M.D.Honolulu, HI 968171518966233
  6. Danelo Canete, M.D.Honolulu, HI 968171821100736
  7. Pon-Sang Chan, M.D.Honolulu, HI 968171962463299
  8. Samuel Dacanay, M.D.,F.A.C.C.Honolulu, HI 968171255349387

Common questions

What is Isac C. Thomas, MD's NPI number?

Isac C. Thomas, MD's National Provider Identifier (NPI) is 1003129388, issued on Jul 15, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Isac C. Thomas, 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 Isac C. Thomas, MD's license?

NPPES lists Hawaii license number MD-22573, 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 Isac C. Thomas, MD prescribe under Medicare Part D?

In 2024, Isac C. Thomas, MD had 1,437 Medicare Part D claims for 351 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.