Aristidis Hatzidimitriadis, MD
NPI 1508027855ActiveIndividual· Internal Medicine· Naperville, IL
Internal Medicine (MD) in Naperville, Illinois, trained at Medical College of Wisconsin (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $1,970,466 for 16,484 claims, against $129,283 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $572.77 in all, mostly food and beverage.
Overview
| NPI | 1508027855 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 19, 2008 |
| Last updated in NPPES | Aug 4, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 125053197 | 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 | 537 |
|---|---|
| Services billed | 1,830 across 32 procedure codes |
| Paid by Medicare | $129,283 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16,484 · 41,689 30-day fills |
|---|---|
| Patients | 1,080 |
| Total drug cost | $1,970,466 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Bonaventure Medical Foundation LLCBartlett, IL · 167 clinicians
Hospital affiliations
- Alexian Brothers Medical Center 1Elk Grove Village, IL
- Northwest Community Hospital 1Arlington Heights, IL
- St Alexius Medical CenterHoffman Estates, IL
Other facilities
- Astra HealthHome health agency · Harwood Heights, IL
- Direct Home Healthcare, IncHome health agency · Des Plaines, IL
- Illinois Professional Home Health, IncHome health agency · Skokie, IL
- Tsc Health IncHome health agency · Wood Dale, IL
- Vita Health Care, IncHome health agency · Northbrook, IL
- Vitas Healthcare Corporation of IllinoisHospice · Lombard, IL
Industry payments (Open Payments)
- 2025$572.77 · 41 payments from 11 companies
- 2024$604.79 · 51 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $167.57 | 17 |
| Abbvie Inc. | $137.61 | 10 |
| Exact Sciences Corporation | $45.20 | 2 |
| Phathom Pharmaceuticals, Inc. | $44.78 | 2 |
| Novo Nordisk Inc | $36.46 | 2 |
What the 2025 payments were for
- Food and Beverage$572.77 · 41 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 114 internal medicine physicians in Naperville · All internal medicine physicians in Illinois