Maureen A. McMahon, MD
Accepting new patients

Maureen A. McMahon, MD

  • Rheumatology
Average rating: 4.9
| 40 ratings
Westwood Specialty Care | 200 Medical Plaza, Suite 365, Los Angeles, CA 90095


Maureen A. McMahon is a Professor of Medicine/ Rheumatology who practices in Westwood and Encino.

She is a graduate of the University of Chicago Pritzker school of Medicine and completed a residency in Internal Medicine at Rush Presbyterian St. Luke's Medical Center in Chicago where she served as chief resident in Medicine. Dr. McMahon completed a fellowship in Rheumatology and a master’s degree in Clinical Research at the David Geffen School of Medicine at UCLA.




Medical Board Certification

Rheumatology, American Board of Internal Medicine, 2003


Rheumatology, UCLA School of Medicine, 2003


Internal Medicine, Rush University, 2001


Internal Medicine, Rush University, 1998


MD, University of Chicago Pritzker School of Medicine, 1997


Hospital Affiliations

Ronald Reagan UCLA Medical Center

UCLA Santa Monica Medical Center

Medical Services



  • Causes of Cardiovascular Disease in Lupus
  • Lupus Clinical Trials
  • Causes of Damage in Lupus


  1. Zhu, L, Singh, M, Lele, S, Liang, M, Sahakian, L, Grossman, J, and McMahon, M.Assessing the Validity of QRISK3 at Predicting Cardiovascular Events in Systemic Lupus Erythematosus Patients.”  Lupus Sci Med. 2022 Feb;9(1):e000564.. PMID: 35193947
  2. Skaggs, BJ, Grossman, J, Sahakian L, Perry, L, FitzGerald, J, Charles-Schoeman, C, Gorn, A, Taylor, M, Weisman, M, Wallace, DJ ,  Hahn, BH, and McMahon, M  “A panel of biomarkers associates with increased risk for cardiovascular events in women with Systemic Lupus Erythematosus. “  ACR Open Rheumatol. 2021 Feb 19. doi: 10.1002/acr2.11223. PMID: 33605563
  3. McMahon, M and Skaggs, B.  “Cardiovascular Disease in Systemic Lupus Erythematousus.” In Lahita R and Costenbader K ed.  Lahita Systemic Lupus Erythematosus, 6th ed.  Elsevier Inc. 2021


  • Aetna
  • Anthem Blue Cross
  • Blue Shield of California
  • Centivo
  • Cigna
  • First Health
  • Health Net of California
  • Interplan (part of HealthSmart)
  • L.A. Care
  • MultiPlan
  • UFCM Health System
  • Prime Health Services
  • Private Healthcare Systems (PHCS)
  • UnitedHealthcare

The list of health care plans above may not be comprehensive and could change. 
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  • Super Doctors® Southern California, 2023, 2024