Fredric H. Klopf, MD
NPI 1598766487ActiveIndividual· Internal Medicine, Interventional Cardiology· Peoria, AZ
Internal Medicine, Interventional Cardiology (MD) in Peoria, Arizona, trained at Washington University School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $1,454,562 for 7,128 claims, against $627,576 paid for services in 2024. Pfizer Inc. was the largest of 5 companies reporting payments in 2025, $186.57 in all, mostly food and beverage.
Overview
| NPI | 1598766487 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 2, 2005 |
| Last updated in NPPES | Aug 24, 2020 |
| Certified by provider | Aug 24, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 20367 | AZ |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 20367 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,249 |
|---|---|
| Services billed | 10,774 across 80 procedure codes |
| Paid by Medicare | $627,576 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,128 · 18,049 30-day fills |
|---|---|
| Patients | 1,074 |
| Total drug cost | $1,454,562 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- Joseph A Caplan MD PCPeoria, AZ · 29 clinicians
Hospital affiliations
- Banner Boswell Medical CenterSun City, AZ
- Banner del E. Webb Medical CenterSun City West, AZ
Industry payments (Open Payments)
- 2025$186.57 · 7 payments from 5 companies
- 2024$496.48 · 20 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $57.40 | 3 |
| Cleerly, Inc. | $51.71 | 1 |
| Merck Sharp & Dohme LLC | $29.69 | 1 |
| Medtronic, Inc. | $24.81 | 1 |
| Boston Scientific Corporation | $22.96 | 1 |
What the 2025 payments were for
- Food and Beverage$186.57 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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