Quick answers
- Does Mahdere Asfaw accept Medicare assignment?
- Yes. Medicare's clinician data says Mahdere Asfaw 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 Mahdere Asfaw see?
- In 2024, CMS data shows 302 Original Medicare patients and 1,055 services for Mahdere Asfaw. This counts Original Medicare only and measures volume, not quality.
- What is Mahdere Asfaw's NPI number?
- 1083797047. 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 Mahdere Asfaw, 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 | 302 |
|---|---|
| Services billed to Medicare | 1,055 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)425 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)85 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)76 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)39 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)33 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%
- Diabetes69%
- Arthritis48%
- Chronic kidney disease46%
- Ischemic heart disease42%
Hospitals where Mahdere Asfaw works
Medicare's Facility Affiliation Data lists Mahdere Asfaw 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.
- Mary Washington HospitalFredericksburg, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490022
- Stafford Hospital, LLCStafford, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490140
Practice locations
Addresses where Mahdere Asfaw is enrolled with Medicare (CMS data updated October 2, 2026).
- 1101 Sam Perry Blvd, Suite 305Fredericksburg, VA 22401 (540) 374‑3290
Group practices
Medicare enrollment lists Mahdere Asfaw as a member of this group (CMS data updated October 2, 2026).
- Mary Washington Healthcare Physicians282 clinicians in the group
Specialties
- Internal Medicineprimary
- Endocrinologyalso
Other internal medicine doctors in Fredericksburg
Clinicians with the same Medicare primary specialty in Fredericksburg, VA — not a recommendation.
Other clinicians in Mary Washington Healthcare Physicians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083797047 |
| 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