Dr. Mark Mass, MD

Media Releases

Get to know Emergency Physician Dr. Mark Mass, who serves patients in Lake Forest, Illinois.

Dr. Mass is a board-certified emergency physician. He is currently the Medical Director of Lake Forest Acute Care, which he opened in 2013 after seeing a need for accessible, walk-in, urgent care services in Lake Forest. 

His favorite part of being a doctor at Lake Forest Acute Care is getting to know his patients and hearing their stories.

In regards to his educational background, Dr. Mass graduated with his medical degree from the University of Illinois College of Medicine at Chicago in 1988. He then completed an internship in general surgery through the University of Michigan. This was followed by a residency in emergency medicine at the University of Pittsburgh. 

After completing his residency, Dr. Mass served as an Assistant Professor in the Department of Surgery at Loyola University Medical Center, a Level 1 Trauma Center. He has been on staff at Northwestern Medicine Lake Forest Hospital since 1999, where he has served as the EMS Medical Director, and he is also on staff at Advocate Condell Medical Center.

Board-certified in emergency medicine, the doctor is a Diplomate of the American Board of Emergency Medicine (ABEM). The ABEM certifies emergency physicians who meet its educational, professional, and examination standards.

Emergency medicine, also known as accident and emergency medicine, is the medical specialty concerned with the care of illnesses or injuries requiring immediate medical attention. An emergency physician may work in an emergency department or in an outpatient setting such as an urgent care center or acute care center.  Emergency physicians care for acutely ill or injured patients on an unscheduled basis.

Happily married, Dr. Mass lives in Lake Forest with his wife, four daughters, and two wheaten terriers. 

Active in the community, and with his church.  You can see him regularly at many community functions. He was a youth soccer coach for 10 years and continues to support youth soccer in Lake Forest.

Recommended Articles

• Influenza B: What You Need to Know

  Influenza Influenza, also commonly called as the flu, is a highly contagious respiratory infection caused by viruses, particularly influenza A or influenza B. These viruses usually infect the throat, nose, and lungs. Although the flu causes mild symptoms in most people, it can also cause severe...

• Lightheadedness

  What is lightheadedness?Lightheadedness or feeling faint may not always be a cause for concern. However, it may also indicate an underlying health problem and can increase the risk of falling and fall-related injuries. If you feel lightheaded, drink water or fluids containing electrolytes and take...

• Leukocyte Esterase Test

  Leukocyte Esterase Urine TestLeukocyte esterase (LE) is an esterase produced by white blood cells (WBCs) or leukocytes. A leukocyte esterase test is a urine test used to detect the presence of white blood cells and other health conditions associated with infection.Normally, leukocyte esterase...

• What Is a GI Cocktail?

  Introduction A GI cocktail or gastrointestinal cocktail is a mixture of liquid antacid, viscous lidocaine, and an anticholinergic agent. A GI cocktail is primarily used to treat dyspepsia.There are a wide variety of GI cocktail recipes nowadays. One popular recipe is a mixture of viscous lidocaine,...

• What Is a Transient Ischemic Attack (TIA)?

  OverviewA transient ischemic attack (TIA) is a mini-stroke, which only lasts for a few minutes. It occurs when blood stops flowing to a part of the brain for a short time. The symptoms of TIA are similar to other symptoms of stroke, but they do not last long, so TIA does not lead to permanent...

• What Is a CPK Lab Test?

  What is creatine phosphokinase (CPK)?Creatine phosphokinase (CPK) is an enzyme, which is predominantly present in the heart, brain, and skeletal muscles. Converting creatine into phosphate is the main task of this enzyme. The cells of the body then quickly consume or burn this phosphate and use it...