Quick answers
- Does Shimellis Alemayehu accept Medicare assignment?
- Yes. Medicare's clinician data says Shimellis Alemayehu 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 Shimellis Alemayehu see?
- In 2024, CMS data shows 352 Original Medicare patients and 628 services for Shimellis Alemayehu. This counts Original Medicare only and measures volume, not quality.
- What is Shimellis Alemayehu's NPI number?
- 1790883288. 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 Shimellis Alemayehu, 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 | 352 |
|---|---|
| Services billed to Medicare | 628 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)150 services
- Measurement of brain wave activity (eeg), awake and asleep (95819)120 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)80 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)69 services
- Measurement of brain wave activity (eeg), 61-84 hours with health care professional review and report (95723)53 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%
- Arthritis54%
- Stroke or mini-stroke53%
- Diabetes45%
- Chronic kidney disease37%
Hospitals where Shimellis Alemayehu works
Medicare's Facility Affiliation Data lists Shimellis Alemayehu 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.
- Luminis Health Doctors Community Medical Center, IncLanham, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210051
Practice locations
Addresses where Shimellis Alemayehu is enrolled with Medicare (CMS data updated October 2, 2026).
- 9841 Greenbelt Rd, Suite 206Lanham, MD 20706 (301) 552‑0008
Specialties
- Neurologyprimary
- Sleep Medicinealso
Other neurologists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790883288 |
| 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