Michael H. Davidson
NPI 1023033321ActiveIndividual· Internal Medicine, Cardiovascular Disease· Chicago, IL
Internal Medicine, Cardiovascular Disease in Chicago, Illinois, trained at Ohio State University College of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $890,194 for 836 claims, against $15,409 paid for services in 2024. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $6,868 in all, mostly speaking and faculty fees.
Overview
| NPI | 1023033321 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jul 13, 2006 |
| Last updated in NPPES | Oct 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 036065126 | 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 - Cardiovascular Disease (Cardiology) (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 132 |
|---|---|
| Services billed | 182 across 7 procedure codes |
| Paid by Medicare | $15,409 |
Part D prescriptions in 2024
| Prescriptions (claims) | 836 · 2,023 30-day fills |
|---|---|
| Patients | 145 |
| Total drug cost | $890,194 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- University of ChicagoChicago, IL · 1,712 clinicians
Hospital affiliation
- The University of Chicago Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$6,868 · 22 payments from 6 companies
- 2024$5,683 · 20 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $5,674 | 16 |
| Merck Sharp & Dohme LLC | $875.00 | 2 |
| Abbvie Inc. | $138.76 | 1 |
| Cleerly, Inc. | $103.92 | 1 |
| Novo Nordisk Inc | $47.95 | 1 |
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$5,369 · 3 payments
- Consulting Fee$875.00 · 2 payments
- Food and Beverage$604.07 · 16 payments
- Travel and Lodging$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Cardiovascular Disease providers in Chicago
- 1649477688
- 1720100985
- 1831261825
- 1487951711
- 1598869224
- 1861512436
- 1417611765
- 1467728188
- 1265576722
- 1861579377
- 1255471041
- 1649382003
All Internal Medicine, Cardiovascular Disease providers in Illinois →