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Clinic Type

Rheumatology

Address

8100 Boone Blvd Ste 700 Vienna, VA 22182

Phone

703-259-9050

Email

SpecialEvents@inova.org

Opening Hours

Mon-Sun 8:00AM-4:30PM

Services Offered

  • Rheumatology
  • Internal Medicine

Team

  • Robert B. Chao, MD — Physician
  • Michael P. Keith, MD — Physician
  • Pragya Singh, MD — Physician
  • Yingxue Zhang, MD — Physician

Insurance & Payment

Languages Spoken

FAQs

What are the hours of operation?

Mon 8:00AM-4:30PM; Tue 8:00AM-4:30PM; Wed 8:00AM-4:30PM; Thu 8:00AM-4:30PM; Fri 8:00AM-4:30PM

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Inova.org (internal facility rating): 4.5 out of 5 (based on 1565 ratings) (1565 ratings)
  • Healthgrades (for Dr. Robert Chao): 4.8 out of 5 (28 reviews)
  • Healthgrades (for Dr. Pragya Singh): 4.2 out of 5 (28 reviews)

Patients praise

  • Knowledgeable and professional doctors
  • Excellent bedside manner and listening skills
  • Thorough explanations of medical conditions and treatment options
  • Personalized care and willingness to take time with patients

Common complaints

  • Difficulty with administrative staff and scheduling
  • Long wait times for appointments and during office visits
  • Issues with phone communication and prescription refills
  • Reports of poor management practices

"Dr. Chao was not only intelligent and professional, he was also very kind and understanding. He never hurried me thru the appt."

Healthgrades user review for Dr. Robert Chao

"The negative reviews are all correct. This office has been terrible for years and continues to be terrible. Admin staff, scheduling, practice management, all terrible."

MapQuest/Yelp user review summary

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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