Quick answers
- Does Mazen A. Alsinnawi accept Medicare assignment?
- Yes. Medicare's clinician data says Mazen A. Alsinnawi 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 Mazen A. Alsinnawi see?
- In 2024, CMS data shows 244 Original Medicare patients and 1,710 services for Mazen A. Alsinnawi. This counts Original Medicare only and measures volume, not quality.
- What is Mazen A. Alsinnawi's NPI number?
- 1932551389. 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 Mazen A. Alsinnawi, 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 | 244 |
|---|---|
| Services billed to Medicare | 1,710 |
| Different services or procedures | 58 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Urinalysis, manual test (81002)296 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)197 services
- Diagnostic exam of bladder and urethra using an endoscope (52000)58 services
- Imaging of urinary tract following injection of a contrast agent (74420)46 services
- Ultrasound measurement of bladder capacity after voiding (51798)38 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%
- Arthritis58%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)35%
- Ischemic heart disease34%
- Diabetes31%
Hospitals where Mazen A. Alsinnawi works
Medicare's Facility Affiliation Data lists Mazen A. Alsinnawi 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.
- UPMC HamotErie, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390063
- UPMC HorizonGreenville, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390178
- UPMC JamesonNew Castle, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390016
- UPMC Presbyterian ShadysidePittsburgh, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390164
Practice locations
Addresses where Mazen A. Alsinnawi is enrolled with Medicare (CMS data updated October 2, 2026).
- 2400 Highland RdHermitage, PA 16148 (724) 983‑1611
- 2501 Parkers LnAlexandria, VA 22306
- 2501 Parkers Ln, Suite 114Alexandria, VA 22306 (571) 472‑6431
- 3300 Gallows RdFalls Church, VA 22042
- 400 Fannon St, Fl 3Alexandria, VA 22301 (703) 780‑9014
Group practices
Medicare enrollment lists Mazen A. Alsinnawi as a member of these groups (CMS data updated October 2, 2026).
- University of Pittsburgh Physicians4,236 clinicians in the group
- Inova Health Care Services1,817 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Other clinicians in University of Pittsburgh Physicians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932551389 |
| 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