Caleb G. Hsieh, MD
Accepting new patients

Caleb G. Hsieh, MD

  • Pulmonology|
  • Sleep Medicine
Average rating: 5.0
| 133 ratings
Torrance Skypark Specialty Care | 3701 Skypark Drive, Suite 200, Torrance, CA 90505


Dr. Caleb Hsieh (pronounced Shay) is a pulmonary, critical care and sleep medicine physician who practices in Torrance. He sees patients with a wide range of conditions, from asthma and COPD to sleep apnea and insomnia. He works to explain and translate evidence-based medicine to patients in a way that empowers them to make informed decisions. He is quadruple board-certified in internal medicine, pulmonary medicine, and critical care, and sleep medicine.

Dr. Hsieh obtained his medical degree at Northwestern University. He then completed internal medicine residency at Olive View-UCLA Medical Center, followed by his pulmonary medicine and critical care fellowship and sleep medicine fellowship at UCLA. He is an assistant clinical professor at the David Geffen School of Medicine at UCLA, who has published several research articles on pulmonary and sleep medicine topics.

Dr. Hsieh was born and raised in Boston. He is an occasional scuba diver and cyclist, who has recently spent most of his free time occupied by his inquisitive and exuberant toddler.




Medical Board Certifications

Sleep Medicine, American Board of Internal Medicine, 2021
Critical Care Medicine, American Board of Internal Medicine, 2019
Pulmonary Disease, American Board of Internal Medicine, 2018
Internal Medicine, American Board of Internal Medicine, 2016


Sleep Medicine, UCLA School of Medicine, 2020
Pulmonary & Critical Care Medicine, UCLA School of Medicine, 2019


Internal Medicine, Olive View-UCLA Medical Center Internal Medicine GME, 2016


MD, Northwestern University Feinberg School of Medicine, 2013

Hospital Affiliations

Ronald Reagan UCLA Medical Center

UCLA Santa Monica Medical Center

Medical Services



  1. Hsieh, Caleb, Talayeh Rezayat, Michelle Zeidler. Telemedicine and the Management of Insomnia.
    Sleep Med Clin. 2020, Aug; 15(3): 383-390.
  2. Hsu, Nancy, Caleb Hsieh, Aaron Thomas, Melisa Chang. Obstructive sleep apnea due to
    oromandibular dystonia and treated with botulinum toxin. J Clin Sleep Med. 2020, Apr; 16(7): 1209-
  3. Hsieh, Caleb and Jennifer Martin. Insomnia, Short Sleep and Cardiovascular Disease. Current Sleep
    Medicine Reports. 2019, Dec; 5(4):234-242.
  4. Nguyen, Peter, Adam Knapp-Wachsner, Caleb Hsieh, Nader Kamangar. Pulmonary Kaposi Sarcoma
    without Mucocutaneous Involvement: The Role of Sequential Thallium and Gallium Scintigraphy.
    Journal of Clinical Imaging Science. 2019, Apr; 9(12):1-5.
  5. Hsieh, Caleb, Thomas Le, Keren Fogelfeld, Nader Kamangar. Bronchial Artery Aneurysm with
    Associated Bronchial Artery to Pulmonary Artery Fistula: Treatment by Embolization. Journal of
    Clinical Imaging Science. 2017, Jan; 7(2): 1-3.
  6. Shah RN, Shah NA, Lim M, Hsieh C, Nuber G, Stupp SI. Supramolecular design of self-assembling
    nanofibers for cartilage regeneration. Proceedings of the National Academy of Sciences. 2010, Feb;
    107(8): 3293–3298. Cited in PubMed; PMID: 20133666.

Link to Dr. Hsieh's ResearchGate >


  • 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

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