Michael L. Wiechmann, MD, FACC
NPI 1104805837ActiveIndividual· Internal Medicine, Cardiovascular Disease· Templeton, CA
Internal Medicine, Cardiovascular Disease (MD, FACC) in Templeton, California, trained at Indiana University School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $723,188 for 5,533 claims, against $311,873 paid for services in 2024. Amgen Inc. was the largest of 2 companies reporting payments in 2025, $68.44 in all, mostly food and beverage.
Overview
| NPI | 1104805837 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, FACC |
| Sole proprietor | No |
| NPI issued | Jan 11, 2006 |
| Last updated in NPPES | Oct 14, 2024 |
| Certified by provider | Oct 14, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | G58530 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,134 |
|---|---|
| Services billed | 4,433 across 37 procedure codes |
| Paid by Medicare | $311,873 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,533 · 15,851 30-day fills |
|---|---|
| Patients | 655 |
| Total drug cost | $723,188 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Pacific Central Coast Health CentersTempleton, CA · 253 clinicians
Hospital affiliations
- Adventist Health Twin CitiesTempleton, CA
- French Hospital Medical CenterSan Luis Obispo, CA
Industry payments (Open Payments)
- 2025$68.44 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $34.74 | 2 |
| Novartis Pharmaceuticals Corporation | $33.70 | 1 |
What the 2025 payments were for
- Food and Beverage$68.44 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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