Douglas M. Reznick, MD
NPI 1124002456ActiveIndividual· Internal Medicine, Hematology & Oncology· Aurora, CO
Internal Medicine, Hematology & Oncology (MD) with Rocky Mountain Cancer Centers LLP, practicing in Aurora, Colorado. In 2024 Medicare paid $2,548,138 for 502 patients, and Part D covered 1,259 of their prescriptions, 68% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 10 companies reporting payments in 2025, $28,315 in all, mostly speaking and faculty fees. Lists Adventhealth Littleton and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1124002456 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 30, 2005 |
| Last updated in NPPES | Feb 17, 2025 |
| Certified by provider | Feb 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | DR.0034032 | 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 | 502 |
|---|---|
| Services billed | 135,493 across 180 procedure codes |
| Paid by Medicare | $2,548,138 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,259 · 1,919 30-day fills |
|---|---|
| Patients | 226 |
| Total drug cost | $2,000,179 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Rocky Mountain Cancer Centers LLPDenver, CO · 132 clinicians
Hospital affiliations
- Adventhealth LittletonLittleton, CO
- Hca-Healthone DBA Swedish Medical CenterEnglewood, CO
- Sky Ridge Medical CenterLone Tree, CO
- The Medical Center of Aurora & South HospitalAurora, CO
Industry payments (Open Payments)
- 2025$28,315 · 32 payments from 10 companies
- 2024$8,825 · 18 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $20,493 | 14 |
| Sun Pharmaceutical Industries Inc. | $7,396 | 9 |
| Ethicon Inc. | $146.27 | 1 |
| Monteris Medical Corporation | $136.44 | 1 |
| E.R. Squibb & Sons, L.L.C. | $40.96 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$16,210 · 8 payments
- Consulting Fee$9,870 · 3 payments
- Travel and Lodging$1,308 · 5 payments
- Food and Beverage$927.04 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hematologist-oncologists in Aurora
- 1104053438
- 1144782855
- 1164578779
- 1184817959
- 1336496785
- 1336502731
- 1346553591
- 1346667870
- 1356600464
- 1487141149
- 1518385467
- 1548244270
All 40 hematologist-oncologists in Aurora · All hematologist-oncologists in Colorado