Yousuf A. Gaffar, MD
NPI 1891798914ActiveIndividual· Internal Medicine, Hematology & Oncology· Denver, CO
Internal Medicine, Hematology & Oncology (MD) with Portercare Adventist Health System and 1 other group, practicing in Denver, Colorado. In 2024 Medicare paid $732,764 for 296 patients, and Part D covered 370 of their prescriptions, 68% of them generic. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 27 companies reporting payments in 2025, $8,774 in all, mostly speaking and faculty fees. Lists Adventhealth Avista and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1891798914 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 23, 2005 |
| Last updated in NPPES | Jan 7, 2025 |
| Certified by provider | Jan 7, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | CDR.4253 | CO |
| Internal Medicine, Hematology & Oncology | 207RH0003X | D0063031 | MD |
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 - Hematology/Oncology (CO); Practitioner - Hematology/Oncology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 296 |
|---|---|
| Services billed | 42,554 across 101 procedure codes |
| Paid by Medicare | $732,764 |
Part D prescriptions in 2024
| Prescriptions (claims) | 370 · 556 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $789,669 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Portercare Adventist Health SystemDenver, CO · 774 clinicians
- Maryland Oncology Hematology PAColumbia, MD · 104 clinicians
Hospital affiliations
- Adventhealth AvistaLouisville, CO
- Adventhealth Castle RockCastle Rock, CO
- Adventhealth LittletonLittleton, CO
- Adventhealth ParkerParker, CO
- Adventhealth PorterDenver, CO
Industry payments (Open Payments)
- 2025$8,774 · 56 payments from 27 companies
- 2024$55,387 · 49 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $3,992 | 3 |
| Daiichi Sankyo Inc. | $2,833 | 5 |
| Astrazeneca Pharmaceuticals LP | $892.60 | 4 |
| Novartis Pharmaceuticals Corporation | $141.87 | 6 |
| Exelixis Inc. | $90.91 | 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$7,495 · 5 payments
- Food and Beverage$1,279 · 51 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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