Quick answers
- Does Tsion A. Gebresellasie accept Medicare assignment?
- Yes. Medicare's clinician data says Tsion A. Gebresellasie 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 Tsion A. Gebresellasie see?
- In 2024, CMS data shows 63 Original Medicare patients and 106 services for Tsion A. Gebresellasie. This counts Original Medicare only and measures volume, not quality.
- What is Tsion A. Gebresellasie's NPI number?
- 1134668155. 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 Tsion A. Gebresellasie, 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 | 63 |
|---|---|
| Services billed to Medicare | 106 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)28 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)21 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)13 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 cholesterol75%
- High blood pressure71%
- Arthritis33%
- Diabetes27%
- Chronic kidney disease24%
- Ischemic heart disease22%
Hospitals where Tsion A. Gebresellasie works
Medicare's Facility Affiliation Data lists Tsion A. Gebresellasie 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.
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490050
Practice locations
Addresses where Tsion A. Gebresellasie is enrolled with Medicare (CMS data updated October 2, 2026).
- 11670 Sudley Manor DrManassas, VA 20109 (571) 569‑3526
- 20070 Ashbrook Commons Plz, Unit 104Ashburn, VA 20147 (571) 479‑3116
- 6230 Rolling Rd, Suite JSpringfield, VA 22152 (571) 665‑6460
- 6395 Little River TpkeAlexandria, VA 22312 (703) 362‑3461
- 764 23rd St S, Vhc Physician Group Primary CareArlington, VA 22202 (703) 717‑7000
Group practices
Medicare enrollment lists Tsion A. Gebresellasie as a member of these groups (CMS data updated October 2, 2026).
- Virginia Hospital Center Physician Group LLC353 clinicians in the group
- Inova Ucc LLC155 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Manassas
Clinicians with the same Medicare primary specialty in Manassas, VA — not a recommendation.
Other clinicians in Virginia Hospital Center Physician Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2016 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134668155 |
| 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