NPPES file of Aug 9, 2026

Deborah Mathias, M.D.

General Practice Physician · Wailuku, HI

Deborah Mathias, M.D. is a general practice physician with a practice address in Wailuku, Hawaii, and NPI 1336163237, issued on Jul 26, 2006. Check the license (Hawaii MD3419, 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
1336163237
Name
Deborah Mathias
Credential
M.D.
Primary taxonomy
General Practice Physician 208D00000X
License number
MD3419 HI
Self-reported in NPPES; status is on the state search
Practice location
2180 Main St, Wailuku, HI 96793
Phone
(808) 242-6464
Enumerated
Jul 26, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(808) 243-2343
Medicaid IDs
04102903 HI
04102902 HI
Medicare enrollment
Enrolled (PECOS I20060109000367); 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 2180 Main St

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

  1. William Adler, M.D.Hematology & Oncology Physician1710918610
  2. Bert Akitake, M.D.Pediatrics Physician1568486348
  3. Insaf Ally, M.D.Internal Medicine Physician1750635801
  4. Tatiana Arce, APRNFamily Nurse Practitioner1003692583
  5. Nolan Arruda, M.D.Internal Medicine Physician1043242209
  6. Victoria Babushkina, MDInternal Medicine Physician1972568483

Verify Deborah Mathias in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD3419
    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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64% more Medicare Part D claims than the average general practice physician in 2024

4,980 Medicare Part D claims for 504 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 51 claims were for opioids.

  1. Deborah Mathias4,980
  2. Specialty average3,030

Most prescribed

  1. Atorvastatin Calcium290 claims
  2. Rosuvastatin Calcium267 claims
  3. Amlodipine Besylate256 claims
  4. Metoprolol Succinate252 claims
  5. Losartan Potassium217 claims
  6. Lisinopril198 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: $131.13

6 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Deborah Mathias$131.13
  2. Specialty average$1,273.40

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

  1. Maui Medical Group IncWailuku, HI

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

Deborah Mathias among 171 general practice physician records in Hawaii

Deborah Mathias, M.D. is one of 171 general practice physician records with a practice address in Hawaii. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 77% newer
  • In a Medicare fileYes · 36% of these records are
  • In the CMS Doctors and Clinicians fileYes · 16% of these records are
  • Graduated1977 · median 1991 among the 28 with a school on file
  • Record last updated2007 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Physician providers in Hawaii

There are 171 general practice physician records in Hawaii.

The 8 general practice physician records with the nearest ZIP codes

  1. Karen Downard, MDWailuku, HI 967931770638843
  2. Eri Shimizu, M.D.Wailuku, HI 967931063678456
  3. Robert Bonham, MDWaianae, HI 967921366547408
  4. Stephen Bradley, MDWaianae, HI 967921295825651
  5. David Jones, MDWaianae, HI 967921316042021
  6. Benedicto Galindo, MDWaipahu, HI 967971427041672
  7. John Wichmann-Walczak, M.D.Waipahu, HI 967971356333736
  8. Bryan Yamashiro, MDWaipahu, HI 967971902934367

Common questions

What is Deborah Mathias, M.D.'s NPI number?

Deborah Mathias, M.D.'s National Provider Identifier (NPI) is 1336163237, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Deborah Mathias, M.D. located?

The NPPES record lists a practice address at 2180 Main St, Wailuku, HI, 96793. Phone: (808) 242-6464. Providers update this record themselves, so call before visiting.

How can I verify Deborah Mathias, M.D.'s license?

NPPES lists Hawaii license number MD3419, 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 Deborah Mathias, M.D. prescribe under Medicare Part D?

In 2024, Deborah Mathias, M.D. had 4,980 Medicare Part D claims for 504 beneficiaries; the average among general practice physician prescribers was 3,030. 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.