Dr. Justin Peng
Last updated: Feb 5, 2026

Dr. Justin Peng

  • Gender: Male
  • Experience: 16 years
  • Graduated from: Boston University School Of Medicine
  • Graduation year: 2005
  • Sole propriator: No
  • NPI: 1538328141

Dr. Justin Peng MD

Rheumatologist

He is located at 2021 K Street Northwest Suite 300 in Washington, DC 20006. Can help patients with the following: Amyloidosis, Hyperlipidemia, Inguinal Hernia, Psoriatic Arthritis, Vasculitis, Weber-Christian Disease. His National Provider Identifier (NPI) number is 1538328141. Appointment can be made via the phone number (301) 942-7600. He is affiliated with 2 practices and 1 hospitals.

Conditions treated

Dr. Justin Peng, being an rheumatologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Justin Peng.

  • Abdominal Pain
  • Acute Pain
  • Amyloidosis
  • Anemia
  • Ankylosing Spondylitis
  • Antiphospholipid Syndrome (APS)
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Bone Loss
  • Bursitis
  • Chest Pain
  • Cholecystitis
  • Chronic Fatigue Syndrome (CFS)
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Claudication
  • Collagen Vascular Disease (CVD)
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Erythema Nodosum
  • Fever
  • Fibromyalgia
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Gout
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hypermobility Syndrome
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Low Back Pain
  • Lupus
  • Migraine
  • Muscle Pain
  • Nausea and Vomiting
  • Obesity
  • Osteoarthritis (OA)
  • Osteoporosis
  • Patellofemoral Pain Syndrome (PFS)
  • Peptic Ulcer
  • Polymyalgia Rheumatica (PMR)
  • Polymyositis (PM)
  • Porphyria
  • Prescription Refill
  • Psoriatic Arthritis
  • Raynaud's Phenomenon
  • Reactive Arthritis
  • Rheumatoid Arthritis (RA)
  • Sacroiliac Joint Pain
  • Sarcoidosis
  • Scleroderma
  • Sjogren's Syndrome
  • Spondylolysis
  • Tendinitis
  • Urethritis
  • Urinary Tract Infection (UTI)
  • Vasculitis
  • Weber-Christian Disease

Procedures Performed by Dr. Justin Peng

Medicare Enrollment

Dr. Justin Peng is enrolled to bill Medicare as a Practitioner - Rheumatology (also registered under: Practitioner - Internal Medicine) .

Bills through: Arthritis And Rheumatism Associates Pc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Pfizer $2127
Amgen $873
Janssen $803

Other

Food and Beverage $7428
Other $1118

Studies

BOSTON UNIVERSITY SCHOOL OF MEDICINE

Graduated in 2005

Additional Specialities

  • Internist

Affiliated practices

Arthritis & Rheumatism Associates
2730 University Boulevard West
Wheaton, 20902 MD
(301) 942-7600
Beth Horowitz MD
2021 K Street Northwest
Washington, 20006 DC
(202) 293-3636

Affiliated hospitals

NOVANT HEALTH UVA HEALTH HAYMARKET MEDICAL CENTER
15225 HEALTHCOTE BOULEVARD
HAYMARKET, 20169 VA
(571) 284-1000

Looking for more Rheumatologists?

Here are rheumatologists in District Of Columbia you may want to explore.

Dr. Raj Nair Md
  • Gender: Male
  • Address: 110 Irving Street Northwest Washington, 20010, DC
Dr. Gail S. Kerr
  • Gender: Female
  • Address: Suite 201 1140 Varnum Street Northeast Washington, 20017, DC
Dr. Jonathan David Miller
  • Gender: Male
  • Address: 2150 Pennsylvania Avenue Northwest Washington, 20037, DC
Dr. Tayseer Haroun
  • Gender: Female
  • Address: 2041 Georgia Avenue Northwest Suite 2300 Washington, 20060, DC
Dr. Mercedes Ericka Quinones
  • Gender: Female
  • Address: 2300 M Street Northwest Washington, 20037, DC
Dr. Eugene Miknowski
  • Gender: Male
  • Address: Suite 504 1145 19th Street Northwest Washington, 20036, DC
Dr. Asha Mariam Alex
  • Gender: Female
  • Address: 3800 Reservoir Road Northwest Washington, 20007, DC
Dr. Rodolfo Victor Curiel
  • Gender: Male
  • Address: 2150 Pennsylvania Avenue Northwest Washington, 20037, DC
Dr. Rosemarie Neuner
  • Gender: Female
  • Address: Apartment 1633 3001 Veazey Terrace Northwest Washington, 20008, DC
Dr. Angus Brennan Worthing
  • Gender: Male
  • Address: Suite 300 2021 K Street Northwest Washington, 20006, DC

Questions & Answers

Does Dr. Justin Peng have affiliation with practices?

Dr. Justin Peng is affiliated with Arthritis & Rheumatism Associates. For the full list of practices see this list.

Where can you meet with Dr. Justin Peng?

Dr. Justin Peng's office is located at 2021 K Street Northwest Suite 300 in Washington, DC 20006.

What conditions does Dr. Justin Peng treat?

Dr. Justin Peng provides treatment for Amyloidosis, Hyperlipidemia, Inguinal Hernia, Psoriatic Arthritis, Vasculitis, Weber-Christian Disease. For the full list see this list.

Has Dr. Justin Peng affiliation with hospitals?

Dr. Justin Peng is affiliated with NOVANT HEALTH UVA HEALTH HAYMARKET MEDICAL CENTER.