Doctor profile · Federal record

Dr. Waseem Aziz, MD

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Transplant Hepatology Physician · Fairfax, VA

  • NPI 1023038270
  • Accepts Medicare
  • 39 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
3700 Joseph Siewick Dr, Suite 401
Fairfax, VA 220331744
(703) 281-1023
fax (703) 620-2331
Additional location
1871 Evelyn Byrd Ave
Harrisonburg, VA 228013487
(540) 564-5800
fax (833) 552-3026
Additional location
44045 Riverside Pkwy
Leesburg, VA 201765101
(703) 858-6000
fax (703) 858-6900
Show 3 more locations
Additional location
500 Martha Jefferson Dr
Charlottesville, VA 229114668
(757) 654-5260
Additional location
2815 S Seacrest Blvd
Boynton Beach, FL 334357969
(561) 737-7733
Additional location
2150 Pennsylvania Ave Nw
Washington, DC 200373201
(202) 741-2227
Mailing address
714 Walker RD
Great Falls, VA 220662802

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 13, 2025
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Virginia #0101238422 · Florida #ME169652
Medicaid
VA #010213479

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023038270. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
541
Distinct HCPCS
10
Medicare allowed
$72,061
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 190 186 $135
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 93 67 $82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 42 38 $125
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 37 37 $113
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 37 37 $125
43264 Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 25 25 $186
74328 Review by radiologist of image from tube placement into bile duct using an endoscope 22 22 $24
43262 Incision of pancreatic outlet using a flexible endoscope 19 19 $71
45378 Diagnostic exam of large bowel using a flexible endoscope 17 16 $178
43255 Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope 16 16 $199

In context: peer comparison

Among 8 peers in this city , average services per provider: 50. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$363
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 2 $214.07
Madrigal Pharmaceuticals 1 $149.08

By nature of payment

Food and Beverage
$363

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
75
Patients
0
Total drug cost
$96,932
Drug Type Claims Patients Total cost
Xifaxan (Rifaximin) Brand 28 0 $95,101
Spironolactone Generic 20 0 $384
Furosemide Generic 16 0 $68
Lactulose Generic 11 0 $1,379

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Waseem Aziz's medical specialty?
Dr. Waseem Aziz practices Gastroenterology Physician in Fairfax, VA.
Where does Dr. Waseem Aziz practice?
Dr. Waseem Aziz practices at 3700 Joseph Siewick Dr, Fairfax, VA 220331744. Office phone: 7032811023.
What is Dr. Waseem Aziz's NPI?
Dr. Waseem Aziz's National Provider Identifier (NPI) is 1023038270, issued by NPPES.
Does Dr. Waseem Aziz accept Medicare assignment?
Yes. Dr. Waseem Aziz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Waseem Aziz commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.