Walt Marquardt, MD
NPI 1881766962ActiveIndividual· Internal Medicine, Interventional Cardiology· Sacramento, CA
Internal Medicine, Interventional Cardiology (MD) in Sacramento, California, trained at University of Pittsburgh School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $911,637 for 4,564 claims, against $362,940 paid for services in 2024. Medtronic, Inc. was the largest of 10 companies reporting payments in 2025, $3,735 in all, mostly food and beverage.
Overview
| NPI | 1881766962 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 14, 2006 |
| Last updated in NPPES | Jan 30, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | G59664 | CA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | G59664 | CA |
| Nuclear Medicine, Nuclear Cardiology | 207UN0901X | G59664 | CA |
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 - Interventional Cardiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,225 |
|---|---|
| Services billed | 3,171 across 81 procedure codes |
| Paid by Medicare | $362,940 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,564 · 11,621 30-day fills |
|---|---|
| Patients | 810 |
| Total drug cost | $911,637 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Interventional Cardiology |
| Telehealth | Offers telehealth |
Medical group
- Dignity Health Medical FoundationFolsom, CA · 1,184 clinicians
Hospital affiliations
- Mercy General HospitalSacramento, CA
- Mercy Hospital of FolsomFolsom, CA
- Mercy San Juan Medical CenterCarmichael, CA
- Methodist Hospital of SacramentoSacramento, CA
- Sierra Nevada Memorial HospitalGrass Valley, CA
Industry payments (Open Payments)
- 2025$3,735 · 84 payments from 10 companies
- 2024$3,119 · 77 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $1,195 | 33 |
| Abiomed | $642.43 | 12 |
| Shockwave Medical, Inc | $578.43 | 8 |
| Cvrx, Inc. | $363.47 | 6 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $294.31 | 3 |
What the 2025 payments were for
- Food and Beverage$3,735 · 84 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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