Doctor profile · Federal record

Dr. Nassar Khan, M.D.

Hematology (Internal Medicine) Physician (CMS: Hematology) · Hematology & Oncology Physician · Medical Oncology Physician · Fairfax, VA

  • NPI 1396708608
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 10 locations across 1 states.

NPPES Updated May 11, 2026
Primary practice
3580 Joseph Siewick Dr Ste 403
Fairfax, VA 220331764
(703) 391-4395
fax (703) 391-4394
Mailing address
Po Box 37174
Baltimore, MD 212973174
Virginia — 9 locations
Additional location
1800 N Beauregard St Ste 210
Alexandria, VA 223111735
(703) 933-8125
fax (703) 933-8216
Additional location
1800 N Beauregard St Ste 350
Alexandria, VA 223111725
(703) 933-8125
fax (703) 933-8216
Additional location
2826 Old Lee Hwy, Suite 110
Fairfax, VA 220314323
(703) 560-8444
Additional location
3300 Gallows RD
Falls Church, VA 220423307
(703) 776-4001
fax (703) 776-7113
Additional location
3600 Joseph Siewick Dr
Fairfax, VA 220331709
(703) 391-3600
fax (703) 391-3414
Additional location
4320 Seminary RD
Alexandria, VA 223041535
(703) 504-3000
fax (703) 504-3388
Additional location
44055 Riverside Pkwy Ste 108
Leesburg, VA 201765179
(703) 858-8600
fax (703) 858-8603
Additional location
8081 Innovation Park Dr
Fairfax, VA 220314867
(571) 472-4724
fax (571) 472-0241
Additional location
8501 Arlington Blvd Ste 340
Fairfax, VA 220314625
(703) 207-0733
fax (703) 207-0736

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
December 14, 2021
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
Virginia #0101053383
Medicaid
VA #005848784

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396708608. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
662
Distinct HCPCS
5
Medicare allowed
$78,777
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 514 198 $107
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 49 43 $192
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 43 26 $132
99204 New patient office or other outpatient visit, 45-59 minutes 40 40 $148
99215 Established patient office or other outpatient visit, 40-54 minutes 16 14 $161

In context: peer comparison

Among 1 peers in Fairfax Hematology (Internal Medicine) Physician, average services per provider: 132. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abiomed 1 $20.40

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
325
Patients
27
Total drug cost
$1,279,677
Drug Type Claims Patients Total cost
Xarelto (Rivaroxaban) Brand 79 15 $71,297
Promacta (Eltrombopag Olamine) Brand 45 0 $557,357
Eliquis (Apixaban) Brand 40 0 $29,367
Imbruvica (Ibrutinib) Brand 24 0 $395,517
Ondansetron Hcl Generic 23 12 $320
Letrozole Generic 21 0 $582
Anagrelide Hcl Generic 20 0 $1,128
Allopurinol Generic 18 0 $138
Hydroxyurea Generic 15 0 $173
Prednisone Generic 15 0 $171

Frequently asked questions

Auto-generated from federal data
What is Dr. Nassar Khan's medical specialty?
Dr. Nassar Khan practices Hematology (Internal Medicine) Physician in Fairfax, VA.
Where does Dr. Nassar Khan practice?
Dr. Nassar Khan practices at 3580 Joseph Siewick Dr Ste 403, Fairfax, VA 220331764. Office phone: 7033914395.
What is Dr. Nassar Khan's NPI?
Dr. Nassar Khan's National Provider Identifier (NPI) is 1396708608, issued by NPPES.
Does Dr. Nassar Khan accept Medicare assignment?
Yes. Dr. Nassar Khan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nassar Khan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.