Doctor profile · Federal record

Dr. Faysal Haroun, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Washington, DC

  • NPI 1598078990
  • Accepts Medicare
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2150 Pennsylvania Ave Nw Ste 5-404
Washington, DC 200373201
(202) 741-2222
Mailing address
2150 Pennsylvania Ave Nw Ste 1-100, Hematology and Oncology
Washington, DC 200373201

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
August 1, 2017
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
District of Columbia #MD041093

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598078990. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
100,854
Distinct HCPCS
10
Medicare allowed
$3,008,659
HCPCS Description Services Patients Avg allowed
J9271 Injection, pembrolizumab, 1 mg 35,200 24 $54
J9299 Injection, nivolumab, 1 mg 28,680 12 $30
J1439 Injection, ferric carboxymaltose, 1 mg 23,800 16 $1
J1453 Injection, fosaprepitant, 1 mg 8,550 20 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,028 24 $0
J2469 Injection, palonosetron hcl, 25 mcg 570 20 $1
J2405 Injection, ondansetron hydrochloride, per 1 mg 492 14 $0
J9045 Injection, carboplatin, 50 mg 444 19 $2
96413 Administration of chemotherapy into vein, 1 hour or less 307 61 $157
96375 Injection of additional new drug or substance into vein 284 29 $18

In context: peer comparison

Among 17 peers in Washington Hematology & Oncology Physician, average services per provider: 881. This provider delivers 114× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$272
Transactions
11
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Incyte Corporation 2 $42.11
Ipsen Biopharmaceuticals, INC 1 $33.55
Merck Sharp & Dohme LLC 1 $32.66
E.R. Squibb & Sons, L.L.C. 1 $30.20
Pfizer INC. 1 $28.56
Janssen Biotech, INC. 1 $23.21
Exelixis INC. 1 $21.97
Daiichi Sankyo INC. 1 $20.45
Pharmacosmos Therapeutics INC. 1 $20.08
Genentech USA, INC. 1 $18.98

By nature of payment

Food and Beverage
$272

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
501
Patients
81
Total drug cost
$814,735
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 181 40 $159,975
Xarelto (Rivaroxaban) Brand 53 13 $54,918
Oxycodone Hcl Generic 46 0 $510
Enoxaparin Sodium Generic 32 0 $25,743
Warfarin Sodium Generic 32 0 $528
Ondansetron Hcl Generic 26 16 $293
Tramadol Hcl Generic 22 0 $58
Prochlorperazine Maleate Generic 17 12 $251
Prednisone Generic 16 0 $62
Cabometyx (Cabozantinib S-Malate) Brand 15 0 $415,034

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Faysal Haroun's medical specialty?
Dr. Faysal Haroun practices Hematology & Oncology Physician in Washington, DC.
Where does Dr. Faysal Haroun practice?
Dr. Faysal Haroun practices at 2150 Pennsylvania Ave Nw Ste 5-404, Washington, DC 200373201. Office phone: 2027412222.
What is Dr. Faysal Haroun's NPI?
Dr. Faysal Haroun's National Provider Identifier (NPI) is 1598078990, issued by NPPES.
Does Dr. Faysal Haroun accept Medicare assignment?
Yes. Dr. Faysal Haroun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Faysal Haroun commonly perform?
Top Medicare-reported procedures in 2023: Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, nivolumab, 1 mg (HCPCS J9299); Injection, ferric carboxymaltose, 1 mg (HCPCS J1439). Source: CMS Medicare Physician & Other Practitioners file.