Yousuf A. Gaffar, MD
Hematology & Oncology Physician · Denver, CO
Yousuf A. Gaffar, MD is a hematology & oncology physician with a practice address in Denver, Colorado, and NPI 1891798914, issued on May 23, 2005. Check the license (Colorado CDR.4253, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Yousuf A. Gaffar
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- CDR.4253 CO
D0063031 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2555 S Downing St Ste 240, Denver, CO 80210
- Phone
- (303) 715-7030
- Enumerated
- May 23, 2005
- Record last updated
- Jan 7, 2025
- Fax
- (303) 715-7035
- Medicaid IDs
- 390600101 MD
407494700 MD - Medicare enrollment
- Enrolled (PECOS I20050726000920); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 212 in Colorado → Look up another NPI →
Also registered at 2555 S Downing St Ste 240
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn Becker, CNSClinical Nurse Specialist1255479176
- Ping Chu, MDHematology & Oncology Physician1316957368
- Susan Freeman, MDHematology & Oncology Physician1861476400
- Michelle Hintz, NPAdult Health Nurse Practitioner1619753449
- John Kennedy, M.D.Hematology & Oncology Physician1912095787
- Amber Whitton-Smith, NP, RNNurse Practitioner1689823593
Verify Yousuf A. Gaffar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license CDR.4253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
370 Medicare Part D claims for 112 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims. 35 claims were for opioids.
Most prescribed
- Eliquis33 claims
- Gabapentin17 claims
- Oxycodone Hcl16 claims
- Dexamethasone14 claims
- Calquence12 claims
- Prednisone12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $55,386.93
49 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Maryland Oncology Hematology PAColumbia, MD
- Portercare Adventist Health SystemDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yousuf A. Gaffar among 212 hematology & oncology physician records in Colorado
Yousuf A. Gaffar, MD is one of 212 hematology & oncology physician records with a practice address in Colorado. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 70% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1998 · median 2004 among the 150 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Colorado
There are 212 hematology & oncology physician records in Colorado.
All 212 in Colorado → Every provider in Denver → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Meena Bansal, DODenver, CO 802101245765643
- Ping Chu, MDDenver, CO 802101316957368
- Susan Freeman, MDDenver, CO 802101861476400
- John Kennedy, M.D.Denver, CO 802101912095787
- Nadine Mikhaeel-Kamel, M.D.Denver, CO 802101316085939
- Wendy Nekritz, M.D.Denver, CO 802101134251333
- William Lee, M.D.Denver, CO 802061639173693
- Vignesh Narayanan, M.DDenver, CO 802061073632675
Common questions
What is Yousuf A. Gaffar, MD's NPI number?
Yousuf A. Gaffar, MD's National Provider Identifier (NPI) is 1891798914, issued on May 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Yousuf A. Gaffar, MD located?
The NPPES record lists a practice address at 2555 S Downing St Ste 240, Denver, CO, 80210. Phone: (303) 715-7030. Providers update this record themselves, so call before visiting.
How can I verify Yousuf A. Gaffar, MD's license?
NPPES lists Colorado license number CDR.4253, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Yousuf A. Gaffar, MD prescribe under Medicare Part D?
In 2024, Yousuf A. Gaffar, MD had 370 Medicare Part D claims for 112 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Yousuf A. Gaffar, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.