Thomas N.m. Au, MD
Internal Medicine Physician · Honolulu, HI
Thomas N.m. Au, MD is an internal medicine physician with a practice address in Honolulu, Hawaii, and NPI 1184770463, issued on Jan 26, 2007. Check the license (Hawaii 3829, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas N.m. Au
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 3829 HI
Self-reported in NPPES; status is on the state search - Practice location
- 321 N Kuakini St, Honolulu, HI 96817
- Phone
- (808) 521-3885
- Enumerated
- Jan 26, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (808) 531-3029
- Medicare enrollment
- Enrolled (PECOS I20051205000662); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 902 in Hawaii → Look up another NPI →
Also registered at 321 N Kuakini St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ronald Chock, M.D.Otolaryngology Physician1891812236
Verify Thomas N.m. Au in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license 3829Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
9,019 Medicare Part D claims for 703 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 227 claims were for opioids.
Most prescribed
- Atorvastatin Calcium512 claims
- Amlodipine Besylate340 claims
- Losartan Potassium332 claims
- Levothyroxine Sodium282 claims
- Lisinopril261 claims
- Albuterol Sulfate Hfa223 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
- Queens North Hawaii Community HospitalKamuela, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas N.m. Au among 902 internal medicine physician records in Hawaii
Thomas N.m. Au, 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 43% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1977 · median 2001 among the 491 with a school on file
- Record last updated2007 · 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).
579 internal medicine physician records list a practice address in Honolulu
They are 579 of the 12,408 NPPES records with a practice address in Honolulu, and 902 internal medicine physician records in Hawaii.
All 902 in Hawaii → Every provider in Honolulu → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Julie Asari, M.D.Honolulu, HI 968171174520431
- Henry Cacanindin, M.D.Honolulu, HI 968171942253471
- Emilio Ganitano, M.D.Honolulu, HI 968171891740809
- Liang-Hsien Hahn, MD PHDHonolulu, HI 968171629028212
- Tad Iwanuma, M.D.Honolulu, HI 968171184600504
- Jonathan James, MDHonolulu, HI 968171366440901
- Lance Kagihara, MDHonolulu, HI 968171568411585
- Melanie Kelly, M.D.Honolulu, HI 968171982670154
Common questions
What is Thomas N.m. Au, MD's NPI number?
Thomas N.m. Au, MD's National Provider Identifier (NPI) is 1184770463, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Thomas N.m. Au, MD located?
The NPPES record lists a practice address at 321 N Kuakini St, Honolulu, HI, 96817. Phone: (808) 521-3885. Providers update this record themselves, so call before visiting.
How can I verify Thomas N.m. Au, MD's license?
NPPES lists Hawaii license number 3829, 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 Thomas N.m. Au, MD prescribe under Medicare Part D?
In 2024, Thomas N.m. Au, MD had 9,019 Medicare Part D claims for 703 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.