Christopher M. Dhaem, DO
NPI 1902805393ActiveIndividual· Internal Medicine, Interventional Cardiology· Lansing, MI
Internal Medicine, Interventional Cardiology (DO) in Lansing, Michigan, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $740,690 for 2,442 claims, against $55,262 paid for services in 2024. Shockwave Medical, Inc was the largest of 3 companies reporting payments in 2025, $170.14 in all, mostly food and beverage.
Overview
| NPI | 1902805393 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 18, 2005 |
| Last updated in NPPES | Jun 26, 2025 |
| Certified by provider | Jun 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 5101010696 | MI |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 5101010696 | MI |
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 - Cardiovascular Disease (Cardiology) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 496 |
|---|---|
| Services billed | 733 across 36 procedure codes |
| Paid by Medicare | $55,262 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,442 · 6,152 30-day fills |
|---|---|
| Patients | 399 |
| Total drug cost | $740,690 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical groups
- Edward W Sparrow Hospital AssociationLansing, MI · 730 clinicians
- Sparrow Eaton HospitalEaton Rapids, MI · 44 clinicians
Hospital affiliations
- Edward W Sparrow HospitalLansing, MI
- Sparrow Ionia HospitalIonia, MI
- University of Michigan Health - Sparrow EatonCharlotte, MI
Industry payments (Open Payments)
- 2025$170.14 · 3 payments from 3 companies
- 2024$385.44 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shockwave Medical, Inc | $111.42 | 1 |
| Medtronic, Inc. | $33.13 | 1 |
| Terumo Medical Corporation | $25.59 | 1 |
What the 2025 payments were for
- Food and Beverage$170.14 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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