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Meet our team at Advanced Pediatric Care! Please take a few moments to learn about our skilled practitioners and our friendly, nurturing staff.

At Advanced Pediatric Care, we consider it both a great joy and responsibility to care for children. Most of us are parents ourselves, so we strive to be understanding and available to the families we are privileged to serve. We are honored that you have chosen us as your child's primary medical provider and are confident that you will be pleased with the quality of care and service that we can provide you and your family.

A vital part of our service to children begins with our outstanding staff who works hard to manage and maintain a professional, caring and supportive environment for our patients in a timely manner. Our doctors are lifelong learners. Not only have they received advanced medical training in pediatrics, they continually pursue ongoing education to stay abreast of the latest in child health care.

Your child's health is as important to us as it is to you. We look forward to providing you with excellent medical care your child deserves.

Dr. Moazzam Saeed

completed his pediatric residency at Cook County Children's Hospital Chicago, Illinois.  Dr. Saeed worked for Community HealthCare Quad Cities, Illinois/Iowa for 7 years. During this time, he was also actively involved in teaching medical students and residents from University of Iowa and Des Moines Osteopathic Medical University.  After getting married and having two children, he decided to move back to Chicagoland.  He worked as Pediatric hospitalist for St. Alexius Hospital in Hoffman Estate.  Concurrently, he started his own private practice.  He got board certified by American Board of Pediatrics in 1997 and 2004.  He is currently licensed in the State of Illinois.




Dr. Maria Christine Bayang

completed her pediatric residency at Cook County Children's Hospital Chicago, Illinois.  Dr. Bayang worked for three years in Mid-Michigan Regional center as House Staff Physician - Pediatrics.  After gaining solid experience from these institutions, Dr. Bayang joined Drs. Saeed and Longi in setting up Advanced Pediatric Care, Ltd.  Dr. Bayang speaks fluent English and Tagalog and basic medical Spanish.  Previous affiliations:  Community Health Care - Rock Island, Illinois





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Dr. Muhammed N. Longi                                                                                                                                                                                                       






Dr. Sakina Tapia 

completed her education in India before coming to the United States in 1976. She completed her pediatric residency at the university of Illinois Hopsital in Chicago  and was the chief resident in 1981. She worked at Mt. Sinai Hospital and at Adventist Hinsdale Hospital. She was in practice with pediatric group in hinsdale hospital before joining Advanced Pediatric Care in 2015. She is currently on staff at Adventis Bolingbrook Hospital. Dr Tapia is certified by the American Board of Pediatrics, and is a fellow of the the American Academy of Pediatrics.                                                                                                                                                                                                                                         




Susan Wexler, APN, CPNP

 Susan joins the team of Advanced Pediatric Care with an impressive portfolio of education and professional nursing experience.  She earned her Bachelor’s in Nursing at the Northern Illinois University.  She initially worked as a Medical- Surgical Staff Nurse at the Irwin Army Hospital in Kansas, but found her calling as a Pediatric Nurse.  In 1982, she finished the Pediatric Nurse Practitioner Certificate Program from Fitzsimmons Army Medical Center.  She then worked as a Pediatric Nurse Practitioner until 1985 in the Darnall Army Community Hospital in Texas, focusing on seeing babies and children up to 12 years old for checkups, immunizations and treatment of minor illnesses.  .  From 1989 until 2009, she went back to professional practice, holding dual positions as a Pediatric Nurse Practitioner and a Pediatric Office Nurse at the Stratford Pediatrics in Bloomingdale, Illinois.  She also worked briefly for the private practice of Dr. Geeti Ghosh in Elgin, Illinois in 2009.  Even with an expanded job description, she still found time to pursue her Masteral studies in Nursing, graduating from the University of Illinois, Chicago in 1999.  From 2006 – 2008, she was part of the adjunct faculty at the same university.  

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Pediatrician - Bolingbrook
215 Remington Blvd., Suite B
Bolingbrook, IL 60440
(630) 226-5300

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