Welcome

Welcome to Associated Pediatricians, your experienced and caring pediatricians in Valparaiso and Portage! If you're looking for accessible pediatric care, a child–friendly environment, and a responsive team of pediatricians, then look no further. We love kids, and our goal is to have a positive impact in the lives of children by providing exceptional health care and compassionate service to the families we serve.

At Associated Pediatricians we offer a full range of pediatric care including prenatal visits for expecting parents, well–child check–ups, immunizations and sick appointments. Our caring team is committed to providing quality service in a comfortable, safe office setting where children and parents can feel at ease. We also set aside time to equip parents with the tools and resources necessary for the development of healthy children from birth to adolescence.

We invite you to take a few moments to browse our website and familiarize yourself with our practice. We hope that it will serve as a valuable resource for you. You'll find all of the helpful information you need about our practice including doctor bios, service details, directions to our Valparaiso and Portage office and new patient forms.

Associated Pediatricians looks forward to walking along side you as you guide your child along a path of optimal health and wellness. We can assure you that you'll feel confident in our ability to not only meet, but exceed all of your expectations. For questions or to schedule a visit, contact our office today!

The Latest

Our waiting room is closed to promote social distancing during the COVID19 pandemic. Please check in for your appointment by telephone. A staff member will let you in when it is time for your appointment.


Expectant Parents

Congratulations! We offer a free prenatal visit to help expectant parents make the right choice for their family.

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Sick Child?

We offer same day appointments for sick patients. Check your child’s symptoms here.

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Meet Our Staff

Learn who we are

  • Susan L. Bishop, M.D.

    Dr. Bishop was born and raised in Chicago, Illinois. She was a graduate of Northwestern University Honors Program in Medical Education in 1984 and Northwestern University Medical School in 1986.

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  • Dianna W. Brogan, M.D.

    Dr. Brogan was born and raised in the Michigan City area. She earned her undergraduate degree at Notre Dame where she met and later married her husband.

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  • Pablo A. Bukata, M.D.

    Dr. Bukata was born in Argentina and moved with his family to Indiana when he was two years old. In 1992, he graduated Valedictorian from Wabash College. 

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  • Elizabeth K. Campbell, M.D.

    Dr. Campbell grew up with her family in LaPorte, Indiana. She received her B.A. in chemistry from DePauw University.

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  • Melissa L. Mueller, D.O.

    Dr. Mueller was born and raised in a suburb of Chicago. She received her B.S in Biopsychology and Cognitive Sciences from The University of Michigan.

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  • Amberly Z. Brewer, M.D.

    Dr. Brewer was born on Long Island but grew up in Azle, Texas. She earned her bachelor's degree from Austin College in Sherman, Texas

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  • Joseph B. Lee, M.D.

    Dr. Joseph Bokum Lee was born and raised in Chicago, IL. His parents are immigrants from South Korea.

  • Nassali M Mugwanya, M.D.

    Dr. Mugwanya was born and raised primarily in New Jersey though her family spent 6 years abroad in Thailand and Uganda when she was in elementary school.

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  • David J. Dimitroff, M.D.

    Dr. Dimitroff was born and raised in Valparaiso. He attended Indiana University and received degrees in Liberal Arts and Chemistry with Honors. He worked for more than five years in business operations and management before deciding that medicine was his true calling. He attended Indiana University School of Medicine and received his medical degree in 2017.

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  • Rhondalynn J. Sears, MSN, PNP-BC

    Rhonda Sears is a certified Pediatric Nurse Pactitioner with over 20 years pediatric nursing experience.

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  • Jennifer Campbell, CPNP

    Jennifer Campbell is a Certified Pediatric Nurse Practitioner with over 20 years of pediatric experience.

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  • Virginia J. Fulton , RN, MSN, PNP-BC, PMHS

    Virginia Fulton is a Board Certified Pediatric Nurse Practitioner with over 25 years of experience in pediatrics. She earned a Bachelor of Science in Nursing from Towson State University in 1994 and Master of Science degree from the University of Maryland in 1998.

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Featured Articles

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Testimonials

Read what our client says about us

  • "The staff here are very friendly and personable. Dr. Campbell is smart and down to earth, and she explains everything she’s doing in a way my children understand. It feels like I’m talking to another mom instead of a physician. I’d recommend her to anyone!"
    Malissa Miller
  • "We love Dr Lee. He’s very kind and personable. He took the time so speak to my son and ask him questions about his interests. We thought he was great"
    Howlett Family
  • "Absolutely amazing customer service. everyone is super friendly and caring! wouldn't take my son anywhere else."
    Eddie Gonzalez
  • "My children have been patients with Associated Pediatricians for almost 12 years now. I have always been pleased with our experiences. I would highly recommend them."
    Cassie Teesdale
  • "Dr. Campbell and her staff are the best. We’ve been bringing our daughter here for almost six years and are always pleased!!"
    Gary Moss
  • "I have never felt so comfortable with doctors, nurses and Nurse practioners like I am with my children's pediatric office staff. We love all of you. Especially Virginia and Shannon :-) Thank you for always taking great care of my kiddos."
    Stephanie Stasi

Our Locations

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Hours of Operation

Our Regular Schedule

Pediatrician Valparaiso, IN

Monday:

8:00 am-5:00 pm

Tuesday:

8:00 am-8:00 pm

Wednesday:

8:00 am-8:00 pm

Thursday:

8:00 am-5:00 pm

Friday:

8:00 am-5:00 pm

Saturday:

8:00 am-12:00 pm

Sunday:

Closed

Pediatrician Portage, IN

Monday:

8:00 am-5:00 pm

Tuesday:

8:00 am-5:00 pm

Wednesday:

8:00 am-5:00 pm

Thursday:

12:00 pm-8:00 pm

Friday:

8:00 am-5:00 pm

Saturday:

Closed

Sunday:

Closed