Claudia I. Panzer, MD
NPI 1538122007ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Denver, CO
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Denver, Colorado, licensed in CO, with an NPI issued in April 2006. Their prescriptions cost Medicare Part D more than their services did: $962,297 for 2,046 claims, against $48,255 paid for services in 2024. Alexion Pharmaceuticals, Inc. was the largest of 7 companies reporting payments in 2025, $404.52 in all, mostly food and beverage. Lists HCA Healthone Rose as a hospital affiliation.
Overview
| NPI | 1538122007 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 7, 2006 |
| Last updated in NPPES | Sep 8, 2026 |
| Certified by provider | Sep 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 44238 | CO |
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 - Endocrinology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 159 |
|---|---|
| Services billed | 1,263 across 13 procedure codes |
| Paid by Medicare | $48,255 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,046 · 5,223 30-day fills |
|---|---|
| Patients | 207 |
| Total drug cost | $962,297 |
| Generic share | 52% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Hospital affiliation
- HCA Healthone RoseDenver, CO
Industry payments (Open Payments)
- 2025$404.52 · 10 payments from 7 companies
- 2024$542.39 · 14 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $134.99 | 1 |
| Medtronic, Inc. | $102.05 | 1 |
| Amneal Pharmaceuticals LLC | $70.23 | 4 |
| Mannkind Corporation | $42.50 | 1 |
| Neurocrine Biosciences, Inc. | $25.46 | 1 |
What the 2025 payments were for
- Food and Beverage$362.02 · 9 payments
- Education$42.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 endocrinologists in Denver · All endocrinologists in Colorado