Nathan Joseph Clendenen
NPI 1972878213ActiveIndividual· Anesthesiology· Aurora, CO
Anesthesiology with University Physicians Incorporated, practicing in Aurora, Colorado. Medicare paid $29,230 for services to 94 patients in 2024. Octapharma USA, Inc. reported $11,782 in payments in 2025, mostly honoraria. Lists University of Colorado Hospital Authority as a hospital affiliation.
Overview
| NPI | 1972878213 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 20, 2012 |
| Last updated in NPPES | Aug 19, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | DR.0056372 | 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 - Anesthesiology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 149 across 44 procedure codes |
| Paid by Medicare | $29,230 |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Anesthesiology |
| Secondary specialties | Pediatric Medicine |
Medical group
- University Physicians IncorporatedAurora, CO · 3,215 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$11,782 · 20 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Octapharma USA, Inc. | $11,782 | 20 |
What the 2025 payments were for
- Honoraria$9,000 · 2 payments
- Travel and Lodging$2,333 · 12 payments
- Food and Beverage$448.98 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 168 anesthesiologists in Aurora · All anesthesiologists in Colorado