Dareen D. Siri, M.D.
NPI 1730272998ActiveIndividual· Internal Medicine, Allergy & Immunology· Normal, IL
Internal Medicine, Allergy & Immunology (M.D.) in Normal, Illinois, trained at Un of California, Irvine, College of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $800,609 for 423 claims, against $142,669 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 31 companies reporting payments in 2025, $376,990 in all, mostly speaking and faculty fees.
Overview
| NPI | 1730272998 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 2, 2006 |
| Last updated in NPPES | May 14, 2024 |
| Certified by provider | May 14, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Allergy & Immunology Primary | 207RA0201X | 036-113138 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 158 |
|---|---|
| Services billed | 9,281 across 54 procedure codes |
| Paid by Medicare | $142,669 |
Part D prescriptions in 2024
| Prescriptions (claims) | 423 · 667 30-day fills |
|---|---|
| Patients | 92 |
| Total drug cost | $800,609 |
| Generic share | 42% of claims |
Education and affiliations
| Medical school | Un of California, Irvine, College of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
Medical groups
- Siu Physicians and Surgeons IncSpringfield, IL · 314 clinicians
- Midwest Allergy Sinus Asthma SCNormal, IL · 9 clinicians
Hospital affiliation
- Memorial Medical CenterSpringfield, IL
Industry payments (Open Payments)
- 2025$376,990 · 411 payments from 31 companies
- 2024$234,820 · 327 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $128,354 | 126 |
| Genzyme Corporation | $39,181 | 36 |
| Incyte Corporation | $31,100 | 37 |
| Novartis Pharmaceuticals Corporation | $25,468 | 25 |
| Sanofi US Services Inc. | $23,725 | 18 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$165,092 · 46 payments
- Consulting Fee$141,652 · 50 payments
- Travel and Lodging$42,156 · 123 payments
- Honoraria$19,110 · 6 payments
- Food and Beverage$8,876 · 184 payments
- Education$104.30 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records