Quick answers
- Does Waseem I. Aziz accept Medicare assignment?
- Yes. Medicare's clinician data says Waseem I. Aziz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Waseem I. Aziz see?
- In 2024, CMS data shows 373 Original Medicare patients and 646 services for Waseem I. Aziz. This counts Original Medicare only and measures volume, not quality.
- What is Waseem I. Aziz's NPI number?
- 1023038270. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Waseem I. Aziz, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 373 |
|---|---|
| Services billed to Medicare | 646 |
| Different services or procedures | 51 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)216 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)55 services
- Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43235)42 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)38 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)34 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease48%
- Chronic kidney disease48%
- Diabetes44%
Hospitals where Waseem I. Aziz works
Medicare's Facility Affiliation Data lists Waseem I. Aziz at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Inova Alexandria HospitalAlexandria, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490040
- Inova Fair Oaks HospitalFairfax, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 490101
- Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490063
- Inova Loudoun HospitalLeesburg, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490043
- Inova Mount Vernon HospitalAlexandria, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490122
Practice locations
Addresses where Waseem I. Aziz is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 2501 Parkers LnAlexandria, VA 22306
- 2501 Parkers Ln, Suite 114Alexandria, VA 22306 (571) 472‑6431
- 3300 Gallows RdFalls Church, VA 22042
- 3600 Joseph Siewick DrFairfax, VA 22033 (703) 391‑3600
- 4320 Seminary RdAlexandria, VA 22304
Group practices
Medicare enrollment lists Waseem I. Aziz as a member of these groups (CMS data updated October 2, 2026).
- Inova Health Care Services1,817 clinicians in the group
- Martha Jefferson Medical Group LLC195 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Alexandria
Clinicians with the same Medicare primary specialty in Alexandria, VA — not a recommendation.
Other clinicians in Inova Health Care Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023038270 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians