Quick answers
- Which hospitals does Mary E. Hammett work at?
- Medicare's official clinician data lists Mary E. Hammett at 1 hospital: University of MD Charles Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary E. Hammett see patients?
- Medicare's clinician data lists 1 practice location in La Plata, MD. Call before your visit to confirm the address.
- What is Mary E. Hammett's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Mary E. Hammett accept Medicare assignment?
- Yes. Medicare's clinician data says Mary E. Hammett 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. Hammett?
- (301) 609-4000, as listed in official Medicare / NPI Registry data.
- What is Mary E. Hammett's NPI number?
- 1376795021. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary E. Hammett works
Medicare's Facility Affiliation Data lists Mary E. Hammett at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University of MD Charles Regional Medical CenterLa Plata, MD · Acute Care Hospital · CCN 210035
Practice locations
Addresses where Mary E. Hammett is enrolled with Medicare (CMS data updated 2026-10-02).
- 5 Garrett AveLa Plata, MD 20646 (301) 609‑4000
Group practices
Medicare enrollment lists Mary E. Hammett as a member of this group (CMS data updated 2026-10-02).
- Northstar Anesthesia of Maryland LLC28 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Maryland →
Other nurse anesthetists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376795021 |
| 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