Michael L. Cohan, MD
NPI 1144271297ActiveIndividual· Internal Medicine, Nephrology· Elmhurst, IL
Internal Medicine, Nephrology (MD) in Elmhurst, Illinois, trained at Jefferson Medical College of Thomas Jefferson University (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $288,974 for 1,698 claims, against $132,067 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 8 companies reporting payments in 2025, $546.10 in all, mostly food and beverage.
Overview
| NPI | 1144271297 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 13, 2006 |
| Last updated in NPPES | May 26, 2021 |
| Certified by provider | May 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 036-080184 | IL |
| Internal Medicine | 207R00000X | 036080184 | IL |
| Internal Medicine | 207R00000X | 036-080184 | IL |
| Internal Medicine, Nephrology | 207RN0300X | 036080184 | 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 - Nephrology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 275 |
|---|---|
| Services billed | 6,060 across 28 procedure codes |
| Paid by Medicare | $132,067 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,698 · 3,800 30-day fills |
|---|---|
| Patients | 224 |
| Total drug cost | $288,974 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
- Nephrology Associates of Northern Illinois LtdAlgonquin, IL · 117 clinicians
Hospital affiliations
- Edward HospitalNaperville, IL
- Elmhurst Memorial HospitalElmhurst, IL
Other facilities
- Usrc Villa Park DialysisDialysis facility · Villa Park, IL
- Usrc Villa Park Home TherapiesDialysis facility · Villa Park, IL
Industry payments (Open Payments)
- 2025$546.10 · 25 payments from 8 companies
- 2024$731.76 · 33 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $177.47 | 12 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $144.98 | 4 |
| Akebia Therapeutics Inc | $72.63 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $50.02 | 2 |
| Novartis Pharmaceuticals Corporation | $30.73 | 1 |
What the 2025 payments were for
- Food and Beverage$546.10 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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