Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Marc Errol Phillpotts, MD

Individual provider Rheumatology Physician · NPI 1518300151

Dr. Marc Errol Phillpotts, MD is a Rheumatology in Washington, District of Columbia. Qualified in 2009, 17 years ago. Practices with Arthritis and Rheumatism Associates PC, a 56-clinician group, accepts Medicare assignment and offers telehealth. Licensed in District of Columbia and Washington.

Years since qualifying
17
Licensed in
DC, WA
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2021 K St NW Ste 300
Washington, DC 20006-1012
Phone: (301) 942-7600
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence A168762 (WA)
Rheumatology Physician Taxonomy 207RR0500X · Licence MD044077 (DC)

Record details

NPI number1518300151
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 13, 2013
Last updated in NPPESJanuary 21, 2026
Certification dateJanuary 21, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRHEUMATOLOGY
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Arthritis And Rheumatism Associates Pc — 56 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Washington