> Skip repeated content
photo of Dahlia Hassan, MD

Dahlia Hassan, MD


About Dr. Hassan

Dr. Dahlia Hassan is an Assistant Attending Rheumatologist at HSS, as well as an Assistant Professor of Medicine at Weill Cornell Medical College. She specializes in the diagnosis and treatment of a multitude of rheumatologic diseases, and works closely with patients to navigate complications of their illnesses throughout their lives.

Dr. Hassan graduated from Columbia University with a bachelor's degree in Neuroscience and Behavior. She went on to attend the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell. She then returned to New York City, where she completed her Internal Medicine Residency at Mount Sinai Hospital (Medical Education Track), and subsequently her Rheumatology Fellowship at Columbia University Irving Medical Center. She has an interest in bioethics, and received a Certificate in Bioethics from Hofstra University. She is also interested in medical education, and has conducted research on interventions for depression and burnout in medical trainees.


Special Expertise

Ankylosing spondylitis
General rheumatology
Inflammatory myositis
Polymyalgia rheumatica
Psoriatic arthritis
Rheumatoid arthritis
Sjogren's syndrome
Still's disease
Systemic lupus erythematosus


Joint Aspiration
Joint Injection
Trigger Finger Injection

Patient Stories


If your insurance is not listed, please call our office if you have questions regarding your insurance coverage. If you have out-of-network benefits, then your insurance may reimburse you for a portion of your office visit. We will work with you and your insurance to minimize your out-of-pocket costs. Financial assistance may be available for patients in need.



Assistant Attending Physician, Hospital for Special Surgery
Assistant Professor of Clinical Medicine at Weill Cornell Medical College


Board Certified in Internal Medicine - American Board of Internal Medicine


Gold Humanism Honors Society, 2016


Donald and Barbara Zucker School of Medicine at Hofstra/Northwell


Mount Sinai Hospital, 2018


Mount Sinai Hospital, 2020


New York Presbyterian - Columbia University Medical Center, 2022

State Licensure



Publications by Dr. Hassan

Selected Presentations

Hassan, D. et al. Examining the Impact of Trainee Well Being Initiatives on Burnout and Depression in the Mount Sinai Health System. Poster presentation at the Accreditation Council for Graduate Medical Education's (ACGME) Annual Educational Conference and the Mount Sinai Graduate Medical Education Research Day, 2019.


Industry Relationships

Industry Relationships

One of the goals of HSS is to advance the science of orthopedic surgery, rheumatology, and related disciplines for the benefit of patients. Physicians at HSS may collaborate with outside companies for education, research and medical advances. HSS supports this collaboration in order to foster medical breakthroughs; however HSS also believes that these collaborations must be disclosed.

As part of the disclosure process, this website lists physician collaborations with outside companies. The disclosures are provided by information provided by the physician and other sources and are updated regularly. Further information may be available on individual company websites.

As of March 01, 2023, Dr. Hassan reported no relationships with the healthcare industry.

By disclosing the collaborations of HSS physicians with industry on this website, HSS and its physicians make this information available to their patients and the public, thus creating a transparent environment for those who are interested in this information. Further, the HSS Conflicts of Interest Policy does not permit physicians to collect royalties on products developed by him/her that are used on patients at HSS.