Peter D. Hart, MD
NPI 1043237050ActiveIndividual· Internal Medicine, Nephrology· Chicago, IL
Internal Medicine, Nephrology (MD) with Cook County, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $18,480 for 154 claims, against $9,944 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 6 companies reporting payments in 2025, $353.14 in all, mostly food and beverage. Lists John H Stroger Jr Hospital as a hospital affiliation.
Overview
| NPI | 1043237050 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 16, 2006 |
| Last updated in NPPES | Aug 9, 2022 |
| Certified by provider | Aug 9, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 036091746 | 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 - General Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 35 |
|---|---|
| Services billed | 109 across 10 procedure codes |
| Paid by Medicare | $9,944 |
Part D prescriptions in 2024
| Prescriptions (claims) | 154 · 350 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $18,480 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | General Practice |
| Secondary specialties | Internal Medicine, Nephrology |
Medical group
- Cook CountyChicago, IL · 788 clinicians
Hospital affiliation
- John H Stroger Jr HospitalChicago, IL
Industry payments (Open Payments)
- 2025$353.14 · 13 payments from 6 companies
- 2024$379.68 · 17 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $133.44 | 5 |
| Alexion Pharmaceuticals, Inc. | $81.27 | 3 |
| Travere Therapeutics, Inc. | $53.30 | 2 |
| Aurinia Pharma U.S., Inc. | $29.41 | 1 |
| Abbott Laboratories | $28.85 | 1 |
What the 2025 payments were for
- Food and Beverage$353.14 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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