Washington, DC

2021 K Street, NW
Suite 300
Washington, D.C. 20006


Fax: 202-419-0418

Book in Washington, DC

Washington, DC

ARA offices are open Monday – Thursday 7:30 am – 5:30 pm

Closed on Friday

Phones go off 12:00 – 1:00 pm for lunch and at 5:30 pm daily

As of June 6, 2022, ARA will have extended operating hours of 7:30 AM-5:30 PM on Monday through Thursday and will be closed on Friday. This change in schedule will allow you to receive services including office visits, DXAs, ultrasound appointments, lab appointments, physical therapy, and infusion with earlier and later availability on our days of operation. Our medical triage department will also be open with extended hours on Mondays-Thursdays from 7:30 AM-12 PM and 1 PM-5:30 PM.

The office will not be available for refill requests or other non-urgent matters on Fridays, but our physicians will continue to have on-call availability for emergencies on Fridays and weekends.

The DC office is strategically located on K Street NW for the convenience of patients who work and live in DC and surrounding areas.

Physicians and staff provide a professional patient-oriented medical office environment.  Diligent front desk to optimize the check-in operation. Patients are immediately escorted from checking in to the exam rooms. No wait time in the waiting room.

The DC office is near metro stations: Farragut North, Farragut West, and Foggy Bottom. The parking garage provides a ramp, automatic doors, and elevator access to the suite. Parking is $23, or $15 if you are in before 9 am. ARA does not validate parking.

Services Offered:

  • In-House Laboratory
  • Musculoskeletal Ultrasound (MSK)
  • EMG (Electromyography)
  • X-ray
  • Bone Density Testing (DXA)
  • Arise Infusion Therapy Services
  • Iovera
  • Moderna Bivalent booster
  • Physical Therapy (Suite 310)

5 Providers:

Weekly Schedule:

Adey A. Berhanu, MD, FACR, RhMSUSChevy Chase, MDWashington, DCChevy Chase, MDWashington, DCClosed
Shari B. Diamond, MD, FACP, FACRWashington, DCWashington, DCWashington, DCWashington, DCClosed
Justin Peng, MD, FACP, FACR, RhMSUSWashington, DCFairfax, VAWashington, DCFairfax, VAClosed
Marc Phillpotts, MD, FACR, CCD, RhMSUSFairfax, VAWashington, DCFairfax, VAWashington, DCClosed
Angus B. Worthing, MD, FACP, FACRWashington, DCChevy Chase, MDWashington, DCChevy Chase, MDClosed

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