Irina Domjan, M.D.
NPI 1578771002ActiveIndividual· Internal Medicine· Hinsdale, IL
Internal Medicine (M.D.) in Hinsdale, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $570,476 for 2,279 claims, against $38,094 paid for services in 2024. Novo Nordisk Inc was the largest of 6 companies reporting payments in 2025, $310.21 in all, mostly food and beverage.
Overview
| NPI | 1578771002 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 18, 2007 |
| Last updated in NPPES | Aug 7, 2023 |
| Certified by provider | Aug 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036117831 | IL |
| Hospitalist | 208M00000X | 036117831 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 141 |
|---|---|
| Services billed | 865 across 37 procedure codes |
| Paid by Medicare | $38,094 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,279 · 4,893 30-day fills |
|---|---|
| Patients | 385 |
| Total drug cost | $570,476 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Industry payments (Open Payments)
- 2025$310.21 · 16 payments from 6 companies
- 2024$901.77 · 27 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $135.35 | 8 |
| Astrazeneca Pharmaceuticals LP | $47.60 | 2 |
| Abbvie Inc. | $43.20 | 2 |
| Phathom Pharmaceuticals, Inc. | $42.19 | 2 |
| Exact Sciences Corporation | $22.19 | 1 |
What the 2025 payments were for
- Food and Beverage$310.21 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 44 internal medicine physicians in Hinsdale · All internal medicine physicians in Illinois