Christopher Ratnasamy, MD
NPI 1043411721ActiveIndividual· Internal Medicine, Interventional Cardiology· Grand Rapids, MI
Internal Medicine, Interventional Cardiology (MD) with Spectrum Health Primary Care Partners, practicing in Grand Rapids, Michigan. Their prescriptions cost Medicare Part D more than their services did: $16,682 for 50 claims, against $776.97 paid for services in 2024. Abbott Laboratories reported $158.29 in payments in 2025, mostly food and beverage. Lists Spectrum Health as a hospital affiliation.
Overview
| NPI | 1043411721 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 30, 2007 |
| Last updated in NPPES | Apr 14, 2021 |
| Certified by provider | Apr 14, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 4301104221 | MI |
| Internal Medicine, Adult Congenital Heart Disease | 207RA0002X | 4301104221 | MI |
| Pediatrics, Pediatric Cardiology | 2080P0202X | 4301104221 | MI |
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 - Pediatric Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 28 across 9 procedure codes |
| Paid by Medicare | $776.97 |
Part D prescriptions in 2024
| Prescriptions (claims) | 50 · 109 30-day fills |
|---|---|
| Total drug cost | $16,682 |
| Generic share | 56% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Pediatric Medicine |
| Secondary specialties | Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) |
Medical group
- Spectrum Health Primary Care PartnersGrand Rapids, MI · 2,294 clinicians
Hospital affiliation
- Spectrum HealthGrand Rapids, MI
Industry payments (Open Payments)
- 2025$158.29 · 1 payment from 1 company
- 2024$44.08 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $158.29 | 1 |
What the 2025 payments were for
- Food and Beverage$158.29 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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