Doctor profile · Federal record
Dr. Ilias Oikonomopoulos, M.D.
Rheumatology Physician (CMS: Rheumatology) · Madison, WI
- NPI 1639334832
- Accepts Medicare
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1821 S Stoughton RD
Madison, WI 537162257
(608) 260-6000
fax (608) 260-6855
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- November 29, 2021
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Wisconsin #70464-20
- Medicaid
- WI #1639334832
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639334832. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,452
Distinct HCPCS
10
Medicare allowed
$108,859
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 2,580 | 27 | $23 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 277 | 161 | $121 | |
36415 |
Insertion of needle into vein for collection of blood sample | 165 | 83 | $8 | |
85027 |
Complete blood cell count (red cells, white blood cell, platelets), automated test | 104 | 54 | $6 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 95 | 81 | $86 | |
85652 |
Red blood cell sedimentation rate, to detect inflammation, automated | 73 | 37 | $3 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 70 | 12 | $1 | |
96372 |
Injection of drug or substance under skin or into muscle | 44 | 28 | $14 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $158 | |
G0008 |
Administration of influenza virus vaccine | 14 | 14 | $29 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 118. This provider delivers 29× the peer median.Open Payments
Industry payments received
All-time total
$60
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, Inc. | 1 | $59.52 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,044
Patients
496
Total drug cost
$875,749
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 578 | 150 | $6,737 |
| Methotrexate (Methotrexate Sodium) | Brand | 415 | 98 | $13,945 |
| Hydroxychloroquine Sulfate | Generic | 335 | 87 | $15,476 |
| Alendronate Sodium | Generic | 114 | 40 | $1,209 |
| Diclofenac Sodium | Generic | 101 | 37 | $3,139 |
| Humira(Cf) Pen (Adalimumab) | Brand | 76 | 11 | $581,665 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 71 | 0 | $2,029 |
| Leflunomide | Generic | 69 | 16 | $2,372 |
| Allopurinol | Generic | 55 | 15 | $1,254 |
| Orencia Clickject (Abatacept) | Brand | 44 | 0 | $242,546 |
Frequently asked questions
What is Dr. Ilias Oikonomopoulos's medical specialty?
Dr. Ilias Oikonomopoulos practices Rheumatology Physician in Madison, WI.
Where does Dr. Ilias Oikonomopoulos practice?
Dr. Ilias Oikonomopoulos practices at 1821 S Stoughton RD, Madison, WI 537162257. Office phone: 6082606000.
What is Dr. Ilias Oikonomopoulos's NPI?
Dr. Ilias Oikonomopoulos's National Provider Identifier (NPI) is 1639334832, issued by NPPES.
Does Dr. Ilias Oikonomopoulos accept Medicare assignment?
Yes. Dr. Ilias Oikonomopoulos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ilias Oikonomopoulos commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.