Quick answers
- Where does Mary E. McAllister see patients?
- Medicare's clinician data lists 3 practice locations, including Annapolis, MD, Prince Frederick, MD and Silver Spring, MD. Call before your visit to confirm the address.
- What is Mary E. McAllister's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Mary E. McAllister accept Medicare assignment?
- Yes. Medicare's clinician data says Mary E. McAllister 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 Mary E. McAllister?
- (443) 481-1000, as listed in official Medicare / NPI Registry data.
- What is Mary E. McAllister's NPI number?
- 1790723989. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mary E. McAllister is enrolled with Medicare (CMS data updated 2026-10-02).
- 2001 Medical PkwyAnnapolis, MD 21401 (443) 481‑1000
- 800 Prince Frederick BlvdPrince Frederick, MD 20678 (410) 535‑2270
- 8905 Fairview RdSilver Spring, MD 20910 (888) 554‑0631
Group practices
Medicare enrollment lists Mary E. McAllister as a member of this group (CMS data updated 2026-10-02).
- Anesthesia Company LLC378 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Annapolis
Clinicians with the same Medicare primary specialty in Annapolis, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790723989 |
| 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
- 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