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

Dr. Angus Brennan Worthing, MD

Individual provider Rheumatology Physician · NPI 1558534925

Dr. Angus Brennan Worthing, MD is a Rheumatology in Washington, District of Columbia. Graduated from University of Minnesota Medical School in 2003, 23 years ago. Practices with Arthritis and Rheumatism Associates PC, a 56-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in District of Columbia and Maryland.

Years since qualifying
23
Trained at
University of Minnesota Medical School
Licensed in
DC, MD
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2021 K St NW Ste 300
Washington, DC 20006-1012
Phone: (301) 942-7600
Fax: (202) 419-0418
Show map & directions

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

Additional practice locations (1)

  • 5454 Wisconsin Ave Ste 600, Chevy Chase, MD 20815-6927 — (301) 942-7600

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence MD035407 (DC)
Rheumatology Physician Taxonomy 207RR0500X · Licence D0067477 (MD)

Record details

NPI number1558534925
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 8, 2008
Last updated in NPPESFebruary 17, 2026
Certification dateFebruary 17, 2026

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 2003 (23 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 locations2 on file with Medicare

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