Doctor profile · Federal record
Dr. Roger Kornu, M.D.
Rheumatology Physician (CMS: Rheumatology) · Tustin, CA
- NPI 1841386349
- Accepts Medicare
- MIPS 82.0 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2552 Walnut Ave Ste 200
Tustin, CA 927806983
(714) 406-4461
fax (714) 669-9790
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- January 30, 2026
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- California #A78140
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841386349. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
244,554
Distinct HCPCS
10
Medicare allowed
$3,466,408
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3262 |
Injection, tocilizumab, 1 mg | 96,368 | 32 | $6 | |
J0717 |
Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | 45,200 | 15 | $5 | |
J1602 |
Injection, golimumab, 1 mg, for intravenous use | 44,451 | 59 | $13 | |
J0129 |
Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | 24,650 | 41 | $42 | |
J3111 |
Injection, romosozumab-aqqg, 1 mg | 14,070 | 12 | $10 | |
J0897 |
Injection, denosumab, 1 mg | 10,380 | 110 | $23 | |
J1745 |
Injection, infliximab, excludes biosimilar, 10 mg | 4,480 | 12 | $33 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,506 | 581 | $139 | |
96413 |
Administration of chemotherapy into vein, 1 hour or less | 880 | 156 | $151 | |
96401 |
Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | 391 | 115 | $84 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 6,054. This provider delivers 40× the peer median.Open Payments
Industry payments received
All-time total
$113,302
Transactions
301
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 97 | $52,451.39 | |
| Amgen Inc. | 84 | $27,237.15 | |
| Lilly USA, LLC | 45 | $23,120.39 | |
| AstraZeneca Pharmaceuticals LP | 15 | $4,317.37 | |
| Janssen Biotech, Inc. | 16 | $3,061.92 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 5 | $1,714.17 | |
| Novartis Pharmaceuticals Corporation | 12 | $502.24 | |
| GlaxoSmithKline, LLC. | 7 | $152.04 | |
| Aurinia Pharma U.S., Inc. | 1 | $133.89 | |
| Radius Health, Inc. | 5 | $121.83 | |
| E.R. Squibb & Sons, L.L.C. | 3 | $116.68 | |
| PFIZER INC. | 4 | $96.39 | |
| Fresenius Kabi USA, LLC | 3 | $95.68 | |
| UCB, Inc. | 2 | $51.19 | |
| SCILEX PHARMACEUTICALS INC. | 2 | $46.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,081
Patients
401
Total drug cost
$46,804
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 292 | 103 | $3,831 |
| Methotrexate (Methotrexate Sodium) | Brand | 202 | 73 | $10,936 |
| Hydroxychloroquine Sulfate | Generic | 129 | 59 | $13,564 |
| Leflunomide | Generic | 72 | 33 | $5,692 |
| Alendronate Sodium | Generic | 66 | 34 | $866 |
| Meloxicam | Generic | 58 | 21 | $578 |
| Gabapentin | Generic | 46 | 20 | $1,277 |
| Pregabalin | Generic | 46 | 0 | $1,977 |
| Sulfasalazine | Generic | 31 | 19 | $965 |
| Diclofenac Sodium | Generic | 30 | 0 | $3,663 |
Hospital affiliations
Frequently asked questions
What is Dr. Roger Kornu's medical specialty?
Dr. Roger Kornu practices Rheumatology Physician in Tustin, CA.
Where does Dr. Roger Kornu practice?
Dr. Roger Kornu practices at 2552 Walnut Ave Ste 200, Tustin, CA 927806983. Office phone: 7144064461.
What is Dr. Roger Kornu's NPI?
Dr. Roger Kornu's National Provider Identifier (NPI) is 1841386349, issued by NPPES.
Does Dr. Roger Kornu accept Medicare assignment?
Yes. Dr. Roger Kornu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roger Kornu commonly perform?
Top Medicare-reported procedures in 2023: Injection, tocilizumab, 1 mg (HCPCS J3262); Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0717); Injection, golimumab, 1 mg, for intravenous use (HCPCS J1602). Source: CMS Medicare Physician & Other Practitioners file.