Doctor profile · Federal record
Dr. Joseph Kamaka, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Wailuku, HI
- NPI 1023042603
- Accepts Medicare
- 45 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
99 South Market Street
Wailuku, HI 96793
(808) 244-5551
fax (808) 242-0058
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 9, 2007
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Hawaii #5022
- Medicaid
- HI #01596001
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023042603. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
311
Distinct HCPCS
2
Medicare allowed
$37,039
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 258 | 54 | $124 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 53 | 24 | $95 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 100. This provider delivers 3.1× the peer median.Open Payments
Industry payments received
All-time total
$25
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 1 | $24.69 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,525
Patients
418
Total drug cost
$35,759
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 227 | 63 | $6,642 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 226 | 26 | $5,320 |
| Lisinopril | Generic | 185 | 52 | $2,376 |
| Metoprolol Succinate | Generic | 158 | 50 | $3,748 |
| Rosuvastatin Calcium | Generic | 91 | 29 | $5,759 |
| Amlodipine Besylate | Generic | 90 | 31 | $1,211 |
| Pioglitazone Hcl | Generic | 81 | 21 | $2,374 |
| Ibuprofen | Generic | 69 | 27 | $1,009 |
| Allopurinol | Generic | 62 | 19 | $1,044 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 60 | 17 | $1,520 |
Frequently asked questions
What is Dr. Joseph Kamaka's medical specialty?
Dr. Joseph Kamaka practices Internal Medicine Physician in Wailuku, HI.
Where does Dr. Joseph Kamaka practice?
Dr. Joseph Kamaka practices at 99 South Market Street, Wailuku, HI 96793. Office phone: 8082445551.
What is Dr. Joseph Kamaka's NPI?
Dr. Joseph Kamaka's National Provider Identifier (NPI) is 1023042603, issued by NPPES.
Does Dr. Joseph Kamaka accept Medicare assignment?
Yes. Dr. Joseph Kamaka accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Kamaka commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.