Experienced, Compassionate Care

Our staff is dedicated to caring for the whole child. We have experienced professionals who have supported the Clinic for many years. These professionals go beyond treatment by placing a strong emphasis on prevention and health education.

Peggy LaFleur, MBA, MHA
Executive Director

Peggy LaFleur is a 25 year resident of Oak Park and received her Bachelor’s Degree from UIC; a Master’s Degree in Health Administration from UIC and a MBA from Boston College. She is fluent in Spanish and has considerable healthcare management, fundraising and marketing experience. Her passions include reading, traveling to Latin America and Ireland, gardening and her dog Kennedie.

Medical Staff

Diane Butterfield, MD
Medical Director/Pediatrician

Dr. Diane Butterfield graduated from the University of Notre Dame and Rush Medical College, and completed her residency at the University of Chicago. She has been practicing medicine for more than 30 years. In her spare time, she likes to read, cook and travel. She lives in Chicago with her husband, with whom she has raised three grown children.

Angelica Hernandez, CMA
Medical Assistant

Angelica enjoys working in healthcare and practicing compassion and attentiveness with all children.

Lydia Jodrey, APRN, CPNP
Certified Pediatric Nurse Practitioner

Lydia Jodrey, Certified Pediatric Nurse Practitioner, joined the IWS Children’s Clinic staff in March 2020. Lydia is a graduate of the University of Illinois at Chicago. She has been a Nurse Practitioner for 10 years and comes to us with a lot of experience. Prior to joining us, Lydia, served as a Clinical Instructor for Oakton Community College, worked at Mobile Care Chicago specializing in allergy and asthma, was a provider at a busy pediatric primary care practice, and was also a nurse in the NICU at Children’s Memorial Hospital.

Anais Romero
Medical Assistant/Receptionist

Anais is an experienced medical assistant and receptionist and enjoys helping other families. In her free time, she likes to do fun activities with her children and family.

Dental Staff

Wanda Laszcz, DDS, MPH
Oral Health Director

Dental Degree from University of Illinois at Chicago. Earned a Masters in Public Health at the University of Illinois at Chicago. Has worked in a community health setting for over 10 years, lives in Chicago and enjoys running.

Elizabeth Samore, DDS
Portable Dentistry Director

DDS, University of Illinois at Chicago, works in private practice and at Children's Clinic since 1997. Teaches at the College of DuPage. She lives in River Forest with her husband, has four sons and enjoys travel, biking, hiking, and yoga.

Margaret Vizgirda, DDS

Received her B.S. at St. Olaf College and her DDS from UIC College of Dentistry. She served in the Army Dental Corps for ten years and has enjoyed working in public health for the past nine years. She keeps very busy with her three children.

Jazmine Dillard, DDS
Pediatric Dentist

Dr. Dillard grew up in Evanston, and did an externship at the Children’s Clinic before she graduated from UIC. She then went on to specialize in Pediatric Dentistry. Her husband is also a dentist, and their favorite thing to do in their free time is travel, get together with family and eat out!

Samantha Cordell, DDS
Pediatric Dentist

Dr. Samantha Cordell was born in Chicago and raised in the Northwest Suburbs of Chicago. She completed her Bachelor of Science from the University of Illinois at Urbana-Champaign in Molecular and Cellular Biology. In 2017, Dr. Cordell completed dental school, receiving her DMD from University of Illinois at Chicago College of Dentistry. After dental school she began her two-year pediatric residency also at the University of Illinois at Chicago. She received her Masters in Oral Sciences during her residency and performed research in innovative clinical pediatric dentistry techniques. She also rotated through Children's Clinic during dental school and also in her residency and loves treating children and helping make each child’s experience at the dentist enjoyable and fun. Dr. Cordell enjoys time spent outdoors, an active lifestyle, traveling, and trying new restaurants.

Nenette Palermo, DDS

Dr. Nenette Palermo received her undergraduate degree from University of Illinois and her DDS from UIC Dental school. She has practiced in Berwyn for over 20 years and recently started teaching at the College of DuPage Dental Hygiene Program. In 2019, Dr. Palermo joined the Children’s Clinic Portable Dentistry program. In her spare time, she enjoys traveling and going to sporting events with her family.

Jessica Mattern, DDS
Pediatric Dentist

Dr. Mattern is a board-certified pediatric dentist. She earned her DDS degree at Creighton School of Dentistry and completed pediatric specialty training at Montefiore Medical Center in New York. When she's not at work making kids smile, Dr. Mattern enjoys gardening, biking and yoga. She also has a passion for volunteering and is on the associate board of SitStayRead.

Delia Alvarado, RDH
Dental Hygienist

Dee has worked in dentistry for 25 years. She is a member of the American Dental Hygienist Association and the Hispanic Dental Association. She has a talent for decorating cakes.

Kim Blount, RDH
Dental Hygienist

Kim works with our Portable Dentistry Program. She has worked in Pediatric Dentistry since 2001. When she was young, she enjoyed playing with her Cabbage Patch Kid, Cabby. Today she enjoys playing with her niece and nephew.

Elizabeth Aguilar, RDA
Dental Assistant

Elizabeth is a Registered Dental Assistant and also works at the clinic at front reception. One of her favorite books is the Catcher in the Rye by J.D. Salinger. In her free time she enjoys running with her dog.

Gladys Medel
Dental Assistant

Gladys is a Registered Dental Assistant, who graduated from her program with honors. When she was a little girl, she liked Barbie and reading the Junie B. Jones series of books by Barbara Park.

Lisbeth Ortiz
Dental Assistant /Patient Access

Lisbeth grew up in the town of Cicero and started working in the clinic in December of 2017. Her hobbies and interests are dedicated to music and dancing, but also enjoys volunteering at her Parish, and helping others in any way/form needed.

Marisol Ortiz
Dental Assistant

Marisol has been a Dental Assistant for more than 8 years. She enjoys working with children, movie night with her family and reading a good book.

Viridiana Garcia
Dental Assistant

Stephanie Lagunas
Dental Assistant
Behavioral Health Staff

Denise V. Gonzalez, MSW
Director of Behavorial Health

She received her Masters Degree in Social Work from Loyola University with an undergraduate degree in Social Work from Northeastern Illinois University. She has over 13 years of experience working with children and families through a variety of life changing situations. She enjoys volunteering in the community and being active doing things she loves such as fishing, yoga and running. She also enjoys being an adjunct professor teaching Social Work to undergrad students.

Yajaira Chaidez, MSW
Social Worker

Yajaira received her Masters in Social Work from Dominican University and her Bachelors in Social Work from Northeastern Illinois University. Yajaira brings over eight years of experience within the social service field to the IWS Children’s Clinic. She loves to travel and enjoys being one with nature as she takes walks, hikes and rides her bike.

Administrative Staff

Betty Alanis
Director of Office & Information Services

With nearly 20 years of experience in the healthcare industry, Betty brings a wealth of knowledge to our clinic. She enjoys being healthful and active and loves to visit the beach.

Felicia Brown
Clinic Director

Felicia brings over 25 years of experience in healthcare to the IWS Children’s Clinic. She earned a Bachelors in Health Administration from the University of Phoenix. Felicia is an active volunteer in her community; she participates in community outreach programs and assists her Alderman in the 24th Ward with community programming. In her spare time, she enjoys spending time with her children and grandchildren, traveling, shopping, fine dining and reading a good book.

Audrey Greffin
Portable Dental & Health Outreach Manager

Audrey received her Bachelors in Health Sciences from DePaul University. She grew up in Oak Park and has been volunteering for nonprofits within the community for over 10 years. When she’s not working, she enjoys reading fiction, playing board games, and spending time with her family and two adorable cats.

Karen Cruz Martinez

As a mother of a young child, Karen knows the struggles in trying to find the best treatment for children and is grateful she can provide help the community in her work. Karen has her Associate degree in Science and hopes to continue her studies. She enjoys spending time with family and friends.

Eva Perri
Accounting & Billing Supervisor

Eva earned her Bachelor’s Degree in Accounting from the University of Negros Occidental – Recoletos. She has worked in Accounting & Finance over 20 years. ) In October 2017 she gained her Professional Biller Certificate from the American Academy of Professional Coders. She likes to travel, especially to destinations with relaxing beaches.

Kristin Schmidt
Development & Community Relations Director

Kristin has a strong, mission-driven non-profit and fundraising career that spans 18 years work for causes close to her heart and with a fondness for individual and major giving. She loves the idea that philanthropy helps people live their values and is excited to connect with and inspire more people to support the IWS Children's Clinic. She lives in Oak Park with her husband Joe, 8-year-old daughter Matilda, 2-year-old son R.J., and their Beta fish Josh.

Song Wu
Accounting Assistant

Graduate degree In Accounting from University of Illinois at Chicago. Over 12 years’ accounting and finance management experiences. Specialized in healthcare and managed care field. Love to spend time with two boys and family. Hobbies include biking, tennis and reading.

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