Quick answers
- Does Deeni Bassam accept Medicare assignment?
- Yes. Medicare's clinician data says Deeni Bassam 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 Deeni Bassam see?
- In 2024, CMS data shows 396 Original Medicare patients and 3,352 services for Deeni Bassam. This counts Original Medicare only and measures volume, not quality.
- What is Deeni Bassam's NPI number?
- 1356343594. 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 Deeni Bassam, 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 | 396 |
|---|---|
| Services billed to Medicare | 3,352 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)778 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)657 services
- Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml (Q9966)312 services
- Injection, propofol, 10 mg (J2704)297 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)262 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%
- Arthritis75%
- Ischemic heart disease32%
- Diabetes29%
- Anxiety24%
Hospitals where Deeni Bassam works
Medicare's Facility Affiliation Data lists Deeni Bassam 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 Fair Oaks HospitalFairfax, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 490101
- Reston Hospital CenterReston, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490107
- UVA Health Haymarket Medical CenterHaymarket, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490144
- UVA Health Prince William Medical CenterManassas, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490045
Practice locations
Addresses where Deeni Bassam is enrolled with Medicare (CMS data updated October 2, 2026).
- 3700 Joseph Siewick DrFairfax, VA 22033 (703) 257‑2266
- 8525 Rolling Rd, Suite 200Manassas, VA 20110
Group practices
Medicare enrollment lists Deeni Bassam as a member of this group (CMS data updated October 2, 2026).
- Nova Advanced Pain Management PLLC3 clinicians in the group
Specialties
- Pain Managementprimary
- Anesthesiologyalso
Other pain management doctors in Virginia
Clinicians with the same Medicare primary specialty in Virginia — not a recommendation.
Other clinicians in Nova Advanced Pain Management PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Virginia School Of Medicine |
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356343594 |
| 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