Doctor profile · Federal record
Dr. Timothy Au, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Honolulu, HI
- NPI 1518287598
- Accepts Medicare
- 16 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
321 N Kuakini St, 807
Honolulu, HI 968172364
(808) 521-3885
Credentials & registration
- NPI registered
- June 2010 — 16 yrs on file
- Profile last updated
- October 7, 2016
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Hawaii #MD 16852
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518287598. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
769
Distinct HCPCS
4
Medicare allowed
$66,068
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 602 | 307 | $93 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 131 | 106 | $53 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 18 | 17 | $120 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 18 | 17 | $41 |
In context: peer comparison
Among 114 peers in this city , average services per provider: 127. This provider delivers 6.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,831
Patients
833
Total drug cost
$264,576
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 572 | 167 | $22,450 |
| Amlodipine Besylate | Generic | 432 | 133 | $7,890 |
| Losartan Potassium | Generic | 311 | 94 | $10,360 |
| Levothyroxine Sodium | Generic | 214 | 52 | $3,445 |
| Simvastatin | Generic | 209 | 59 | $5,108 |
| Metformin Hcl | Generic | 151 | 46 | $2,603 |
| Allopurinol | Generic | 141 | 36 | $2,375 |
| Metoprolol Succinate | Generic | 131 | 37 | $2,942 |
| Jardiance (Empagliflozin) | Brand | 118 | 39 | $191,789 |
| Lisinopril | Generic | 118 | 36 | $1,331 |
Hospital affiliations
Frequently asked questions
What is Dr. Timothy Au's medical specialty?
Dr. Timothy Au practices Internal Medicine Physician in Honolulu, HI.
Where does Dr. Timothy Au practice?
Dr. Timothy Au practices at 321 N Kuakini St, Honolulu, HI 968172364. Office phone: 8085213885.
What is Dr. Timothy Au's NPI?
Dr. Timothy Au's National Provider Identifier (NPI) is 1518287598, issued by NPPES.
Does Dr. Timothy Au accept Medicare assignment?
Yes. Dr. Timothy Au accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Au commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.