Quick answers
- Which hospitals does Helen S. Prevas work at?
- Medicare's official clinician data lists Helen S. Prevas at 1 hospital: Luminis Health Anne Arundel Medical Center, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Helen S. Prevas see patients?
- Medicare's clinician data lists 1 practice location in Annapolis, MD. Call before your visit to confirm the address.
- What is Helen S. Prevas's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty, and also Internal Medicine.
- Does Helen S. Prevas accept Medicare assignment?
- Yes. Medicare's clinician data says Helen S. Prevas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Helen S. Prevas?
- (443) 481-1000, as listed in official Medicare / NPI Registry data.
- What is Helen S. Prevas's NPI number?
- 1720380330. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Helen S. Prevas works
Medicare's Facility Affiliation Data lists Helen S. Prevas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Luminis Health Anne Arundel Medical Center, IncAnnapolis, MD · Acute Care Hospital · CCN 210023
Practice locations
Addresses where Helen S. Prevas is enrolled with Medicare (CMS data updated 2026-10-02).
- 2001 Medical PkwyAnnapolis, MD 21401 (443) 481‑1000
Group practices
Medicare enrollment lists Helen S. Prevas as a member of this group (CMS data updated 2026-10-02).
- Luminis Health Medical Group, LLC539 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in Maryland →
Other critical care doctors in Annapolis
Clinicians with the same Medicare primary specialty in Annapolis, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720380330 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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