Important Practice Update:

Our practice is permanently closed and no longer providing clinical care.
We are deeply grateful for the privilege of caring for our patients for nearly 40 years.

Payments may still be made through the On Line BillPay link on this page.

Please scroll down to find a link to request your medical records, along with updated practice locations for:

Frank S. Calandrino, Jr., M.D. and Angela McDonnell, NP.

Midwest Chest Consultants, PC

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Meet the Providers

Doctors, Nurse Practitioners, Sleep Coordinator, Research Team

Doctors - Midwest Chest Consultants - Doctor St. Charles, MO

The Experience and Know-how to Help You Breathe Easy and Sleep Well

At Midwest Chest Consultants, we're proud to be at the forefront of pulmonary care and sleep medicine.  Our physicians have decades of experience in pulmonary medicine (pulmonology). They are board-certified and fellows of the American College of Chest Physicians.

Our nurse practitioners and sleep coordinator also provide the highest level of care. In addition, our research team continues to participate in multiple clinical research studies for pulmonary medicine, and we direct the area's only accredited sleep center.

Important Practice Update

We would like to inform our patients that Dr. Siler will be retiring and Dr. Calandrino will be transitioning to work elsewhere. As a result, the entire practice will be closing permanently on March 13, 2026.

We are grateful for the trust and support you have shown over the years, and we will be providing additional information soon regarding medical records and next steps for your ongoing care.

We invite you to learn more about our providers and call Midwest Chest Consultants at (636) 946-1650 to schedule an appointment. You can also request an appointment online.

  • Our Doctors
  • Our Nurse Practitioners
  • Our Sleep Coordinator
  • Our Research Team

Patient Education

Learn about common respiratory problems and sleep disorders.

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330 First Capitol Drive
Building 1, Suite 470
St. Charles, MO 63301-2847

Phone: (636) 946-1650

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The passionate sleep doctors and pulmonologists at Midwest Chest Consultants treat sleep ailments such as sleep apnea, narcolepsy and other aliments such as asthma, COPD and more.

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