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Advocate Dreyer Strengthens Ties to Advocate Medical Group

New name outside, same great care inside

AURORA - Advocate Dreyer will begin to be branded as Advocate Medical Group (AMG) on January 1, 2017. Dreyer has been affiliated with Advocate since 1996. Over the years that relationship has evolved – most recently represented by the transition in name from ‘Dreyer Medical Clinic’ to ‘Advocate Dreyer’ in 2014.

AMG is a physician-led and governed group comprised of approximately 1,500 clinicians representing more than 50 specialties. It is the largest physician group in Illinois, with more than 300 primary care and specialty outpatient sites throughout Chicagoland and Bloomington-Normal.


Fox Valley Women's And Children Health Partners

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We are proud to welcome the patients and providers of
Fox Valley Women & Children’s Health Partners to Advocate Dreyer.

We are committed to providing you with the same personalized care that you are accustomed to receiving from our group. As a part of Advocate Dreyer, we are excited to offer our patients expanded access to primary care and specialty services in the greater Fox Valley area. In addition, we will remain on staff at Delnor Hospital with admitting privileges.

If you are pregnant, you can be assured that there will be no interruption in your care throughout your entire pregnancy, before, during, and after delivery. If you have any questions, please feel free to call our office at 630-897-6044.

Most patients’ insurance plans are accepted here at Dreyer, so we look forward to continuing your care as a part of Advocate Dreyer. See below for a special message to HMO patients. (To see Dreyer’s full list of accepted insurances, click here.) If you have any questions you can reach Dreyer’s Managed Care Department at 630-859-0400.


Locations: We will keep our same office locations and phone numbers.

HMO & Pediatrics: Dreyer accepts HMO patients in pediatrics, so this will open up access for our patients see our (or Dreyer’s) pediatricians.

Infertility Services: Dreyer refers patients to the same infertility group that we use, so patients using those services will not need to change providers.

Other Benefits: Dreyer offers convenient services for patients such as Walk-In Care at three locations, the MyChart online patient portal, and more.


Our current office locations and phone numbers will stay the same:

St. Charles
3310 W. Main St, Suite 200
St. Charles, IL 60175
North Aurora
82 Miller Dr., Suite 102
North Aurora, IL 60542


Our OB/GYN Team:

Corissa Elgar, M.D.
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Kim M. Harmon, M.D.
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Carolyn N. Mills, M.D.
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Edward M. Newman, D.O.
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Natalie K. Roche, M.D.
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Kelly J. Simkins, D.O.
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Shelly Sinatra, NP
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Grace H. Wang, M.D.
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Our Pediatrics Team:

Maria L. Cocjin, M.D.
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Sarah E. Smith, M.D.
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Bridget M. Sweeney-Gotsch, M.D.
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Mark Kruszewski, NP
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Other Dreyer Providers now at North Aurora & St. Charles


Dipti Patel, M.D.
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Yasmin K. Bhathena, M.D., F.A.A.P.
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Christina L. Willis, A.P.N./C.P.N.P.
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HMO Patients

IMPORTANT: If you are an HMO patient and you wish to stay with us, you will need to contact your insurance provider and change your site assignment to Dreyer (#099). Blue Cross Blue Shield members you can do this by calling 800-892-2803. For Humana members, you can call 800-558-4444. If you have any questions you can reach Dreyer’s Managed Care Department at 630-859-0400. Click here for a full list of Dreyer Primary Care Physicians accepting new patients.