Carlos Gustavo Fernandez, D.O.
NPI 1356561484ActiveIndividual· Internal Medicine, Interventional Cardiology· Lansing, MI
Internal Medicine, Interventional Cardiology (D.O.) in Lansing, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $443,272 for 2,234 claims, against $67,223 paid for services in 2024. Pfizer Inc. was the largest of 15 companies reporting payments in 2025, $1,434 in all, mostly food and beverage.
Overview
| NPI | 1356561484 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 30, 2007 |
| Last updated in NPPES | Apr 19, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 5101016028 | MI |
| Internal Medicine | 207R00000X | 5101016028 | 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 - Interventional Cardiology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 741 |
|---|---|
| Services billed | 1,162 across 78 procedure codes |
| Paid by Medicare | $67,223 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,234 · 5,461 30-day fills |
|---|---|
| Patients | 430 |
| Total drug cost | $443,272 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology), 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
- Memorial HealthcareOwosso, MI
- University of Michigan Health - Sparrow EatonCharlotte, MI
- University of Michigan Health- Sparrow ClintonSaint Johns, MI
- University of Michigan Health-Sparrow CarsonCarson City, MI
Industry payments (Open Payments)
- 2025$1,434 · 57 payments from 15 companies
- 2024$1,801 · 53 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $244.99 | 12 |
| Alnylam Pharmaceuticals Inc. | $190.72 | 4 |
| Novartis Pharmaceuticals Corporation | $176.73 | 13 |
| Abiomed | $168.35 | 3 |
| Shockwave Medical, Inc | $130.31 | 2 |
What the 2025 payments were for
- Food and Beverage$1,434 · 57 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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