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The Center for Primary Healthcare

Doctors of Medicine & Adult Nurse Practitioners located in Orland Park, IL

At The Center for Primary Healthcare, a private medical practice in Orland Park, Illinois, patients can turn to Medical Director William Crevier, MD, for quality internal medicine and pediatrics care.

The seasoned internal medicine team at The Center for Primary Healthcare has cared for patients of all ages, from babies and children to older adults, for more than two decades. Patients seeking treatment for diabetes, arthritis, high blood pressure, asthma, urinary tract infections, and more receive the award-winning care they deserve from Dr. Crevier.

Each person on staff at The Center for Primary Healthcare is fully committed to providing quality care for patients in a warm, welcoming atmosphere. The team delivers patient-centered services by listening to patients and valuing their opinions. Dr. Crevier gives patients the time and attention they expect from one of the leading medical practices in the Chicago area.

The professionals at The Center for Primary Healthcare maintain their advanced credentials to stay up-to-date with the latest advances in medicine. Dr. Crevier is board-certified in adult internal medicine and pediatrics. He is currently accepting new patients and is excited to welcome them to the practice.

The Team



    Rosie is the smiling voice you will hear if you call to make an appointment.

    As the management head of the clerical staff, Rosie makes sure that everything runs smoothly at our front desk. Rosie has an excellent understanding of the medical system and is capable of finding an answer to almost any question you might have. She has been with the Center for Primary Healthcare for the past 6 years and enjoys her work here. In addition to being married for 25 years, Rosie is the proud mom to two children.



    Patti is the Center for Primary Healthcare’s Medical Assistant and also helps the front desk.

    Patti is wonderfully energetic and helps advocate for our patients when different procedures and tests need pesky pre-authorization from insurance companies. She also helps to remind all our patients to make sure they schedule all of their needed preventative screenings. Besides being an excellent medical assistant, Patti is also a part-time clown! As a clown, her name is Dimples, and if you ask very nicely she will twist you a balloon after the doctor is done seeing you. Patti always has a ready smile, and is a proud mom to three grown children and even prouder grandma to three grandchildren, having been married for 30 years.




    Maria played a critical role during the early years of the Center for Primary Healthcare, and after a number of years working elsewhere in the healthcare industry, she has returned to work for the Center for Primary Healthcare in 2012.

    Maria helps with the front desk administration and is also a part-time biller. Her extensive experience in the medical billing industry means that she can help you understand your EOB or answer any other questions you might have about your statement. In addition to her experience, Maria has a quick wit and a ready smile. She has a family of four children, seven grandchildren, and has been married for 26 years.



    Carol serves as the administrator for the Center for Primary Healthcare. Carol is a registered nurse with a bachelor’s degree in nursing from Rush University and a master’s degree in public health from UIC. She has wide experience in nursing and administration, especially in home healthcare, medical nursing, and practice management.

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Accepted Insurances

The following insurances are currently accepted at The Center for Primary Healthcare. Check back soon for an updated list or call our office to ask about your specific insurance details. If you have an insurance that is not listed, please contact our office to confirm coverage.

Blue Cross Blue Shield

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