Doctor profile · Federal record
Dr. Joseph Koo, M.D.
Infectious Disease Physician · Honolulu, HI
- NPI 1457350985
- 21 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
321 N. Kuakini Street, Suite 715, Kuakini Medical Plaza
Honolulu, HI 96817
(808) 523-6461
fax (808) 550-0466 - Mailing address
-
Po Box 57
Honolulu, HI 968100057
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- December 23, 2023
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- Hawaii #MD-6718
- Medicaid
- HI #055439-01
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457350985. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,301
Distinct HCPCS
3
Medicare allowed
$116,027
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,016 | 119 | $79 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 183 | 84 | $126 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 102 | 91 | $125 |
In context: peer comparison
Among 7 peers in Honolulu Infectious Disease Physician, average services per provider: 134. This provider delivers 9.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
303
Patients
42
Total drug cost
$33,298
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azithromycin | Generic | 65 | 14 | $6,756 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 24 | 0 | $220 |
| Doxycycline Hyclate | Generic | 20 | 14 | $516 |
| Cefdinir | Generic | 19 | 0 | $2,093 |
| Ciprofloxacin Hcl | Generic | 19 | 14 | $198 |
| Triamcinolone Acetonide | Generic | 19 | 0 | $205 |
| Vancomycin Hcl | Generic | 18 | 0 | $2,449 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 17 | 0 | $407 |
| Valganciclovir Hcl | Generic | 17 | 0 | $3,056 |
| Fenofibrate (Fenofibrate Nanocrystallized) | Brand | 16 | 0 | $430 |
Frequently asked questions
What is Dr. Joseph Koo's medical specialty?
Dr. Joseph Koo practices Infectious Disease Physician in Honolulu, HI.
Where does Dr. Joseph Koo practice?
Dr. Joseph Koo practices at 321 N. Kuakini Street, Suite 715, Honolulu, HI 96817. Office phone: 8085236461.
What is Dr. Joseph Koo's NPI?
Dr. Joseph Koo's National Provider Identifier (NPI) is 1457350985, issued by NPPES.
What procedures does Dr. Joseph Koo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.