Doctor profile · Federal record
Dr. Joel Kobayashi, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Aiea, HI
- NPI 1679671838
- Accepts Medicare
- MIPS 64.6 / 100 · 2023
- 33 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
98-1247 Kaahumanu St, Ste 212
Aiea, HI 967015310
(808) 487-5115
fax (808) 488-8266
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- February 15, 2018
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Hawaii #9742
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679671838. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,480
Distinct HCPCS
10
Medicare allowed
$152,790
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 683 | 292 | $93 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 229 | 178 | $130 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 225 | 225 | $135 | |
G0008 |
Administration of influenza virus vaccine | 87 | 87 | $32 | |
90662 |
Influenza vaccine split virus, preservative free | 86 | 86 | $72 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 61 | 51 | $60 | |
G0009 |
Administration of pneumococcal vaccine | 33 | 33 | $32 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 20 | 20 | $282 | |
99496 |
Transitional care management services for problem of high complexity | 17 | 16 | $291 | |
90732 |
Pneumococcal vaccine, 23-valent | 14 | 14 | $121 |
In context: peer comparison
Among 17 peers in this city , average services per provider: 149. This provider delivers 9.9× the peer median.Open Payments
Industry payments received
All-time total
$1,253
Transactions
62
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 10 | $295.91 | |
| Amgen Inc. | 9 | $183.14 | |
| GlaxoSmithKline, LLC. | 12 | $169.87 | |
| Novo Nordisk Inc | 13 | $159.98 | |
| Lilly USA, LLC | 3 | $70.41 | |
| Otsuka America Pharmaceutical, Inc. | 3 | $70.26 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 2 | $54.35 | |
| PFIZER INC. | 2 | $43.15 | |
| IDORSIA PHARMACEUTICALS US INC | 2 | $41.57 | |
| Exact Sciences Corporation | 1 | $31.90 | |
| Corcept Therapeutics | 1 | $29.35 | |
| Dexcom, Inc. | 1 | $27.99 | |
| ABBVIE INC. | 1 | $26.90 | |
| Kowa Pharmaceuticals America, Inc. | 1 | $26.70 | |
| Novartis Pharmaceuticals Corporation | 1 | $21.90 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,266
Patients
666
Total drug cost
$48,501
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 262 | 75 | $9,143 |
| Simvastatin | Generic | 244 | 66 | $4,323 |
| Pravastatin Sodium | Generic | 228 | 64 | $4,958 |
| Lisinopril | Generic | 205 | 58 | $1,979 |
| Losartan Potassium | Generic | 194 | 54 | $5,533 |
| Metoprolol Succinate | Generic | 191 | 54 | $5,045 |
| Amlodipine Besylate | Generic | 186 | 54 | $2,659 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 166 | 47 | $2,725 |
| Allopurinol | Generic | 104 | 30 | $2,141 |
| Amlodipine Besylate-Benazepril (Amlodipine Besylate/Benazepril) | Brand | 88 | 24 | $2,834 |
Frequently asked questions
What is Dr. Joel Kobayashi's medical specialty?
Dr. Joel Kobayashi practices Internal Medicine Physician in Aiea, HI.
Where does Dr. Joel Kobayashi practice?
Dr. Joel Kobayashi practices at 98-1247 Kaahumanu St, Aiea, HI 967015310. Office phone: 8084875115.
What is Dr. Joel Kobayashi's NPI?
Dr. Joel Kobayashi's National Provider Identifier (NPI) is 1679671838, issued by NPPES.
Does Dr. Joel Kobayashi accept Medicare assignment?
Yes. Dr. Joel Kobayashi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joel Kobayashi 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 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.