Margie D. Castillo, D.D.S.

Pediatric Dentistry

Board Certified Pediatric Dentist

4.8 out of 5 (144 reviews)
Read Patient Comments below.
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press-ganey.jpgPress Ganey Patient Experience Survey Results

Our Patient Rating scores represent an average of all responses from actual Dental Associates patients randomly surveyed by nationally-recognized patient experiences firm Press Ganey. Learn more about our dentist reviews.

Responses are measured on a scale of 1 to 5, with 5 being the best score.

About Me

"It brightens my day to see my young patients have a positive dental experience and to have them realize that they can accomplish anything."


  • Tufts University School of Dentistry, Specialty in Pediatric Dentistry
  • Yale - New Haven Hospital, General Practice (Hospital) Residency
  • University of California San Francisco School of Dentistry - D.D.S.

Professional Associations

  • American Academy of Pediatric Dentistry (AAPD)
  • American Dental Association (ADA)


6855 S. 27th Street
Franklin, WI 53132
(414) 435-0787


As a service to our patients we will provide an estimate of costs prior to services rendered. All co-payments or other out-of-pocket expenses will be due at time of service. Dental Associates will submit all claims directly to the patient's insurance company. The insurance company will determine the benefit reimbursement. Any remaining balance is the patient's responsibility.

Please visit our Dental Insurance We Accept page for more details

Patient Comments

Patient comments are gathered from our Press Ganey Patient Satisfaction Survey and displayed unedited in their entirety. Patients are de-identified for confidentiality and patient privacy.



March 24, 2022
We love our dentist! She is extremely thorough and the kids love her! She is very professional but super kid-friendly and speaks directly to them!! We cannot say enough! Thank you for taking such good care of our Childrens dental health!
March 9, 2022
Loved her!
March 6, 2022
We love Dr. Castillo she keeps us coming back and always remembers us!
March 2, 2022
Dr. Castillo is awesome at working with kids!
March 2, 2022
Our dentist was wonderful. My daughter commented that she was her favorite by far.
January 23, 2022
Dr Castillo is wonderful
December 29, 2021
Dr Castillo and all the team with her are AMAZING and WONDERFUL. I never leave without understanding all of which is going on with my minor childrens oral health.
October 29, 2021
I love Dr. Castillo, Amber, and Dana. They always take SUCH amazing care of my family
October 29, 2021
Amazing Dentist
October 6, 2021
Being more friendly with small children, would ease the childs visit