Our Providers

  • Dr.
    Brad Wainer

    Dr. Wainer graduated from Midwestern University in 1983. He completed his Family Medicine Residency at MacNeal Hospital in 1986, where he was also the Chief Resident. He became Board Certified in by the American Board of Family Medicine 1986 and continues his recertification on a regular basis. He is also a board-certified in Addiction Medicine.

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  • Dr.
    Michael Gershberg

    Dr. Michael Gershberg graduated from Northwestern University and earned his medical degree from University of Illinois at Chicago.  He completed a residency in Family Medicine at St. Joseph Hospital where he served as chief resident, and joined Primary Care Associates in 2001.  In addition to caring for his patients, Dr Gershberg enjoys precepting medical students from University of Chicago where he holds a post of clinical assistant professor.

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  • Dr.
    Matt Hsieh

    Dr. Matthew Hsieh (pronounced 'shay') joined Primary Care Associates in 2001 after completing his Family Medicine Residency at West Suburban Medical Center. 

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  • Dr.
    Lori Weiss

    Dr. Weiss, as a general pediatrician at Primary Care Associates since 2002, sees children from birth until 19 years of age. She believes that as your child’s physician, she should act as an advisor and advocate for your child’s physical and emotional development. The most gratifying aspect of pediatrics for her is to watch young infants and toddlers grow and mature throughout their childhood and adolescence. She is an experienced pediatrician who has been practicing in the Western Suburbs since 1989.  Dr. Weiss’ Pediatric Residency and Chief Residency training was at the former Children’s Memorial Hospital, now Lurie Children’s Hospital in Chicago, IL.

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  • Dr.
    Nadia Momin

     Dr. Nadia Momin joined Primary Care Associates in July of 2019 as a board certified family physician. She grew up in sunny South Florida and received her medical degree from St. Matthew’s University School of Medicine.

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Contact Us

Our Location

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Hours of Operation

Our Regular Schedule

Regular Office Hours

Monday:

9:00 am-5:00 pm

Tuesday:

8:00 am-5:00 pm

Wednesday:

9:00 am-5:00 pm

Thursday:

8:00 am-5:00 pm

Friday:

8:00 am-4:00 pm

Saturday:

8:00 am-1:00 pm

Sunday:

Closed