Elizabeth Riley Kessler, MD
NPI 1245386879ActiveIndividual· Internal Medicine, Medical Oncology· Aurora, CO
Internal Medicine, Medical Oncology (MD) in Aurora, Colorado, trained at New York Medical College (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $3,604,937 for 1,106 claims, against $60,380 paid for services in 2024. Astellas Pharma US Inc reported $93.34 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1245386879 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 26, 2007 |
| Last updated in NPPES | Dec 15, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 47625 | CO |
| Internal Medicine | 207R00000X | 47625 | CO |
| Student in an Organized Health Care Education/Training Program | 390200000X | TL-1961 | 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 - Medical Oncology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 235 |
|---|---|
| Services billed | 937 across 16 procedure codes |
| Paid by Medicare | $60,380 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,106 · 1,726 30-day fills |
|---|---|
| Patients | 157 |
| Total drug cost | $3,604,937 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University Physicians IncorporatedAurora, CO · 3,215 clinicians
Hospital affiliations
- Longs Peak HospitalLongmont, CO
- Medical Center of the RockiesLoveland, CO
- Uchealth Broomfield HospitalBroomfield, CO
- Uchealth Highlands Ranch HospitalHighlands Ranch, CO
- University of Colorado Hospital AuthorityAurora, CO
Industry payments (Open Payments)
- 2025$93.34 · 1 payment from 1 company
- 2024$135.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $93.34 | 1 |
What the 2025 payments were for
- Food and Beverage$93.34 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 55 medical oncologists in Aurora · All medical oncologists in Colorado