Quick answers
- Which hospitals does Mason Everett work at?
- Medicare's official clinician data lists Mason Everett at 2 hospitals: MedStar Montgomery Medical Center and MedStar Washington Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mason Everett see patients?
- Medicare's clinician data lists 2 practice locations, including Washington, DC and Rosedale, MD. Call before your visit to confirm the address.
- What is Mason Everett's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Mason Everett accept Medicare assignment?
- Medicare's clinician data says Mason Everett may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Mason Everett's NPI number?
- 1033948476. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mason Everett works
Medicare's Facility Affiliation Data lists Mason Everett at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Montgomery Medical CenterOlney, MD · Acute Care Hospital · CCN 210018
- MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · CCN 090011
Practice locations
Addresses where Mason Everett is enrolled with Medicare (CMS data updated 2026-10-02).
- 3007 Tilden St NW, Suite 5nWashington, DC 20008
- 9000 Franklin Square DrRosedale, MD 21237
Specialties
- Physician Assistantprimary
Find other clinicians: Physician Assistant, District of Columbia →
Other physician assistants in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1033948476 |
| 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