DR. YOUSUF A GAFFAR (MD) – Hematology & Oncology Physician, NPI 1891798914
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
246 HEMATOLOGY/ONCOLOGY in CO
Provider Addresses for DR. YOUSUF A GAFFAR (MD)
2555 S DOWNING ST STE 240
DENVER, CO 802105855
Phone: (303) 715-7030
Fax: (303) 715-7035
Type: Mailing
7501, Osler Drive, Yorkleigh, Towson, Baltimore County, Maryland, 21204, United States of America
SUITE 102
TOWSON, MD 212047733
Phone: (410) 427-5585
Fax: (410) 427-5594
Type: Mailing
12502 Willowbrook Rd
Cumberland, MD 215026491
Phone: (240) 964-8717
Type: Location
12500 Willowbrook Rd
Cumberland, MD 215026393
Phone: (240) 964-7000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 232 Open Payments records for all available years, with a total value of $193,152.
Total Amount is formed as General ($193,152) + Research ($0) + Ownership ($0) = $193,152.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($52,789).
Total Amount
$193,152
General + Research + Ownership
Payments
232
Total payment records
General Amount
$193,152
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| E.R. Squibb & Sons, L.L.C. | $52,789 |
| Rigel Pharmaceuticals, Inc. | $34,072 |
| AstraZeneca Pharmaceuticals LP | $32,636 |
| Takeda Pharmaceuticals U.S.A., Inc. | $29,132 |
| Exelixis Inc. | $26,199 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2025-01-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050726000920 | I | Hematology/Oncology | MD | TBD |
| I20250108004021 | I | Hematology/Oncology | CO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 43,400 | 51 | $0 |
| J0897 | Injection, denosumab, 1 mg | 14,400 | 48 | $0 |
| J0185 | Injection, aprepitant, 1 mg | 9,880 | 34 | $0 |
| J9144 | Injection, daratumumab, 10 mg and hyaluronidase-fihj | 7,200 | 13 | $0 |
| J9271 | Injection, pembrolizumab, 1 mg | 7,000 | 14 | $0 |
Insurance plans in this area (ZIP 80210)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CO | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CO | |
| Nurse Practitioner | CO | |
| Internal Medicine | CO | |
| Physician Assistant | CO | |
| Family Practice | CO | |
| Physician Assistant | CO | |
| - | CO | |
| Internal Medicine | CO | |
| N E U R O L O G Y | CO |
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