Quick answers
- Does Alisa M. Larbalestrier accept Medicare assignment?
- Yes. Medicare's clinician data says Alisa M. Larbalestrier 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 Alisa M. Larbalestrier see?
- In 2024, CMS data shows 305 Original Medicare patients and 550 services for Alisa M. Larbalestrier. This counts Original Medicare only and measures volume, not quality.
- What is Alisa M. Larbalestrier's NPI number?
- 1427266261. 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 Alisa M. Larbalestrier, 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 | 305 |
|---|---|
| Services billed to Medicare | 550 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)155 services
- Emergency department visit with high level of medical decision making (99285)155 services
- Emergency department visit with moderate level of medical decision making (99284)82 services
- Management of oxygen chamber therapy (99183)76 services
- Critical care, first 30-74 minutes (99291)47 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%
- Arthritis51%
- Diabetes42%
- Ischemic heart disease40%
- Anxiety39%
Hospitals where Alisa M. Larbalestrier works
Medicare's Facility Affiliation Data lists Alisa M. Larbalestrier 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.
- University of MD Baltimore Washington Medical CenterGlen Burnie, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210043
Practice locations
Addresses where Alisa M. Larbalestrier is enrolled with Medicare (CMS data updated October 2, 2026).
- 301 Hospital DrGlen Burnie, MD 21061 (410) 787‑4565
Group practices
Medicare enrollment lists Alisa M. Larbalestrier as a member of this group (CMS data updated October 2, 2026).
- Baltimore Washington Emergency Physicians, Inc.31 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Glen Burnie
Clinicians with the same Medicare primary specialty in Glen Burnie, MD — not a recommendation.
Other clinicians in Baltimore Washington Emergency Physicians, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427266261 |
| 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