Thomas Au, MD
NPI 1184770463 · Internal Medicine Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Au, MD is a Internal Medicine Physician provider in Honolulu, HI (NPI 1184770463).
Provider details
- NPI number
- 1184770463
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3829 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 147 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 512 | 156 |
| Amlodipine Besylate | 340 | 108 |
| Losartan Potassium | 332 | 101 |
| Levothyroxine Sodium | 282 | 75 |
| Lisinopril | 261 | 79 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 223 | 83 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thomas Au's NPI number?
- Thomas Au's National Provider Identifier (NPI) is 1184770463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Au's specialty?
- Thomas Au is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Au located?
- Thomas Au's practice location on file with NPPES is 321 N Kuakini St, Honolulu, HI 96817-2364.
- What is Thomas Au's phone number?
- The practice phone number listed in the NPPES registry for Thomas Au is (808) 521-3885.
- Does Thomas Au accept Medicare?
- Thomas Au is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Au's NPI active?
- Yes — Thomas Au's NPI (1184770463) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.