Ryan Aronin, MD
- Internal Medicine
About
Dr. Ryan Aronin, MD is an Assistant Clinical Professor at the David Geffen School of Medicine at UCLA. Board-certified in Internal Medicine and licensed in California, Pennsylvania, and New York, he brings extensive clinical experience and a strong commitment to both his students and patients. A native New Yorker, Dr. Aronin earned his BS in Biology from Hofstra University, received his medical degree through Universidad Autónoma de Guadalajara and New York Medical College, and completed his residency at Hofstra Northwell in NYC. He actively engages with Los Angeles communities on timely public health issues, helping raise awareness about emerging concerns such as Human Metapneumovirus and other respiratory illnesses. Beyond medicine, Dr. Aronin is devoted to his children, Libbie and Reuben, and his large extended family. As the second eldest of six siblings, he enjoys spending time with his parents and his many nieces and nephews in Miami Beach and on Long Island. His work has been featured in the Los Angeles Times, People Magazine, Good Morning America, Today Show, ABC News, and CBS News. He presented the Heart of WeSPARK Award and delivered the Internal Medicine Residency graduation address to his colleagues.
Patient Stories Just A Good Doctor
All I thought I had was a pulled calf muscle…could have died…
Languages
Education
Residency
Degree
Recognitions
-
Top doctors, Los Angeles Magazine's Top Doctors 2025
- Top Doctors, Los Angeles Magazine, 2025
- Super Doctors® Southern California Rising Stars, 2019-2022, 2024
- America's Best Doctors, Top Internist Los Angeles, 2020
Locations
UCLA Health Westwood Immediate Care
UCLA Health Santa Monica 16th Street Immediate Care
Areas of Focus
Research
Publications
- Aronin, R. and Park, KW. Management of Diffuse Pulmonary Coccidioidomycosis in End Stage Renal Disease. Clinical Vignette Proceedings of UCLA Healthcare Volume 21 (2017)
- Aronin, R. and Haveles, C. Evolution of Multiple Myeloma to B-cell Acute Lymphoblastic Leukemia. Clinical Vignette Proceedings of UCLA Health Volume 23 (2019)
- Aronin, R. and Park KW. A False Positive Scl-70 lead to a diagnosis of Pulmonary Arterial Hypertension. Clinical Vignette Proceedings of UCLA Health Volume 23 (2019)
- Aronin R. Park KW, Hoque A. Necrotizing lung infections: Case report and review of the literature. Int J Case Rep Images 2020;11:101120Z01RA2020
- Aronin, R. Wynant M and Sun, F. A Milian’s Ear Sign: A case of Bilateral Ear Redness, Facial Rash, and Fever. Clinical Vignette Proceedings of UCLA Health Volume 28 (2024)
- Aronin, R. and Sun, F. Community Acquired Pneumonia Becomes an Empyema. Clinical Vignette Proceedings of UCLA Health Volume 28 (2024)
- Aronin, R. and Sun, F. Tick-borne Relapsing Fever Treated with Empiric Doxycycline. Clinical Vignette Proceedings of UCLA Health Volume 28 (2024)
- Aronin, R. and Sun, F. EGPA Diagnosed without a History of Asthma. Clinical Vignette Proceedings of UCLA Health Volume 28 (2024)
- Aronin, R. and Sun, F. Pancreatic Neuroendocrine Tumor diagnosed on a full body MRI but missed on CT imaging. Clinical Vignette Proceedings of UCLA Health Volume 28 (2024)
- Yao P, Aronin R, Pang C, Syal A, Patel Y. Scrotal abscess following laparoscopic appendectomy in an older adult without perforated appendicitis: a case report. Cureus. 2026;18(2):e102848. doi:10.7759/cureus.102848.
In the News
- CBSLA’s Hunter Sowards interviews Dr. Ryan Aronin on Human Metapneumovirus (CBS LA)
- Dr. Ryan Aronin on KTLA: LAPD Sgt. Shiou Deng Killed in Line of Duty (405 Freeway) (KTLA)
- ABC LA reporting on Dr. Ryan Aronin speaking at the UC Regents 06 12 24 400 PM (ABC LA)
- Dr. Ryan Aronin at the Gaza Encampment at UCLA | Interview with Matthew Seedorff, (Fox 11)
- Dr. Otto Yang and Dr. Ryan Aronin - They saved my life, (The Hollywood Reporter)
- Dr. Ryan Aronin Presents Heart of WeSPARK Award to Maria Menounos | WeSPARK Cancer Support Center
- Maria Menounos diagnosis puts spotlight on pancreatic cancer, (Good Morning America)
- Maria Menounos Reveals She Survived Pancreatic Cancer (People Magazine)
- Maria Menounos Recalls Her Visit with Dr. Aronin | Dr. Oz Show, (The Dr. Oz Show)
- 'I didn't cry. I actually laughed’: Maria Menounos, 39, reveals she was diagnosed with a brain tumor (The Daily Mail)
- Dr. Ryan Aronin Addresses Internal Medicine Graduates, (YouTube - Northwell Health Residency Graduation)
Note: Website links may expire without notice.
Insurance
- Aetna
- Anthem Blue Cross
- Blue Shield of California
- Centivo
- Cigna
- First Health
- Health Net of California
- Interplan (part of HealthSmart)
- Medicare Advantage
- MultiPlan
- UFCM Health System
- Prime Health Services
- Private Healthcare Systems (PHCS)
- TRICARE
- UnitedHealthcare
The list of health care plans above may not be comprehensive and could change.
Please contact your benefits coordinator or health insurance company directly to verify coverage.
Visit our health insurance information page for more details.
Recognitions
- Top Doctors, Los Angeles Magazine, 2025
- Super Doctors® Southern California Rising Stars, 2019-2022, 2024
- America's Best Doctors, Top Internist Los Angeles, 2020