Summary

Dr. Justin Peng is a rheumatologist who specializes in diagnosing and treating conditions that affect the joints, muscles, and bones. He earned his medical degree from Boston University School of Medicine and brings 21 years of experience to his practice. Dr. Peng is fluent in both English and Spanish.

Dr. Peng practices at Arthritis And Rheumatism Associates locations in Washington, DC and Fairfax, Virginia. He focuses on treating common rheumatic conditions including osteoarthritis, rheumatoid arthritis, and osteoporosis. His expertise includes performing comprehensive metabolic panels and specialized blood tests to help diagnose and monitor autoimmune conditions. Patients have given him an average rating of 4.1 stars for his care.

Overview based on verified provider data

Quick Facts

  • 4
  • 21 years of experience
  • speaks English, Spanish
  • Boston University School Of Medicine
  • 11 written reviews
  • 1 specialty
  • 8 areas of expertise
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Justin Peng has 2 locations

Arthritis And Rheumatism Associates Pc

2021 K St NW Ste 300Washington, DC 20006
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Arthritis And Rheumatism Associates Pc

8270 Willow Oaks Corporate DrFairfax, VA 22031
Mon7:30 am - 5:30 pm
Tue7:30 am - 5:30 pm
Wed7:30 am - 5:30 pm
Thu7:30 am - 5:30 pm
FriClosed
SatClosed
SunClosed

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Dr. Justin Peng, MD
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Dr. Justin Peng, MDDr. Christopher Martin TidwellDr. Kazuki TakadaDr. Inocencio P Alejandro
RheumatologyRheumatologyInternal MedicineInternal Medicine
Accepts New Patients
21 Years of Experience 6 Years of Experience 32 Years of Experience 36 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
Washington , DCBethesda , MDRockville , MDFort Belvoir , VA
Med School: Boston University School Of Medicine Med School: Frederick P. Whiddon College Of Medicine At The University Of South Alabama Med School: Kyushu University Faculty Of Medicine Med School: University Of Santo Tomas Faculty Of Medicine And Surgery
Current Profile
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Insurance Plans Accepted by Dr. Justin Peng

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Justin Peng has the following specialty

Specialty Expertise

Dr. Justin Peng has the following 8 areas of expertise

  • Gout
  • Hip Osteoarthritis
  • Lupus
  • Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Rheumatic Diseases
  • Rheumatoid Arthritis
  • Tendinitis

Certifications, License, & Education

21 Years Experience

Dr. Justin Peng holds an expired medical license in the states of District Of Columbia and Virginia.

Medical License

Medical Doctor with an expired medical license in the state of District Of Columbia that expired in 2026 and an expired medical license in the state of Virginia that expired in 2026.

Education & Training

Medical School

Graduated from Boston University School Of Medicine in 2005.

NPI Number

Dr. Peng's NPI number is 1538328141.

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Frequently Asked Questions

Is Dr. Justin Peng accepting new patients?
Dr. Justin Peng has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Justin Peng accept my insurance?
You can see the insurance plans that Dr. Justin Peng accepts on their Vitals profile.
Where is Dr. Justin Peng's office located?
Dr. Justin Peng's office is located at 2021 K St NW Ste 300, Washington, DC, 20006.
Does Dr. Justin Peng accept virtual/telehealth appointments?
Dr. Justin Peng has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Justin Peng?
You can find contact information for Dr. Justin Peng here on Vitals.

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