Quick answers
- Which hospitals does Marc E. Phillpotts work at?
- Medicare's official clinician data lists Marc E. Phillpotts at 1 hospital: Virginia Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marc E. Phillpotts see patients?
- Medicare's clinician data lists 3 practice locations, including Washington, DC, Rockville, MD and Fairfax, VA. Call before your visit to confirm the address.
- What is Marc E. Phillpotts's specialty?
- Medicare lists Rheumatology as the primary specialty.
- Does Marc E. Phillpotts accept Medicare assignment?
- Yes. Medicare's clinician data says Marc E. Phillpotts 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.
- Does Marc E. Phillpotts offer telehealth?
- Medicare's clinician data says Marc E. Phillpotts offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marc E. Phillpotts?
- (301) 942-7600, as listed in official Medicare / NPI Registry data.
- What is Marc E. Phillpotts's NPI number?
- 1518300151. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marc E. Phillpotts works
Medicare's Facility Affiliation Data lists Marc E. Phillpotts at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · CCN 490050
Practice locations
Addresses where Marc E. Phillpotts is enrolled with Medicare (CMS data updated 2026-10-02).
- 2021 K St NW, Suite 300Washington, DC 20006
- 7361 Calhoun Pl, Suite 600Rockville, MD 20855
- 8270 Willow Oaks Corporate Dr, Suite 150Fairfax, VA 22031 (301) 942‑7600
Group practices
Medicare enrollment lists Marc E. Phillpotts as a member of this group (CMS data updated 2026-10-02).
- Arthritis and Rheumatism Associates PC50 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1518300151 |
| 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