Jillian Ewing Haas, MD

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Internal Medicine, Pediatrics, Primary Care
4.9 (121)
Staff Physician
Accepting New Patients

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Westbrook Health Center (262) 532-5700

I enjoy getting to know my patients and understanding their background. By doing this, I can provide collaborative care to achieve their health care goals. I also feel it's important to educate my patients about their chronic disease processes in order to facilitate their overall health and wellness.


Diseases & Conditions


Treatment & Services

Adolescent Health
Health Maintenance and Prevention
Sports Medicine

Ages Seen


Languages Spoken


Hospital Affiliations

Froedtert Hospital
Froedtert Menomonee Falls Hospital


Westbrook Health Center
2315 E. Moreland Blvd.
Waukesha, WI 53186
(262) 532-5700
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Education & Training

Medical College of Wisconsin - Milwaukee - Residency in Internal Medicine and Pediatrics - (2011-2014)

Medical College of Wisconsin - Milwaukee - Internship in Internal Medicine and Pediatrics - (2010-2011)

Michigan State University College of Human Medicine - East Lansing - Doctor of Medicine - (2010)

Board Certifications

Internal Medicine

Patient Reviews

The comments are submitted by patients (or their caregivers) and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of the Froedtert & the Medical College of Wisconsin health network. Learn more about our survey.

4.9 out of 5. 121 ratings, 33 reviews
Sept. 26, 2019
dr Ewing is awesome
Sept. 18, 2019
Dr. Ewing Haas showed the most compassion I have seen from a medical provider in a long time. She listened attentively to my concerns and was a great advocate.
Sept. 17, 2019
was told provider does not diagnosis certain things for adults which would have been good to know before seeing provider. felt brushed off and not taken seriously
Sept. 12, 2019
I have a very good Doctor, am very pleased with my care and the staff is always courteous. On a side note, the lab people are great at drawing blood, I've had some really bad ones in the past but not at Froedert.
Aug. 27, 2019
she is always ready to listen & then explains why she's suggesting what I should do!
Aug. 26, 2019
I love DR Ewing-Haas I tried to coax her into moving to the new Waukesha branch, but she wasn't having it. So I will still see her where she is at. She is very friendly and personal.
Aug. 23, 2019
my doctor doesn't rush through my visit and always has time to listen. she is an excellent provider.
July 31, 2019
Dr Ewing Haas is the best primary care provider I've had. She shows genuine concern for my health and improvements. It was easy to refer her to my wife
June 14, 2019
Answered all questions and didn't feel rushed to do so.
May 15, 2019
This was my first encounter with this MD and Froedtert. Very pleased overall with everyone I can in contact with!
May 9, 2019
1st visit & very happy with provider.
May 5, 2019
Jillian is a concerned and caring doctor
May 1, 2019
Dr. Ewing-Hass shows compassion and understanding of my healthcare. I trust her with all my medical issues.
April 27, 2019
Dr. Ewing is an amazing, compassionate and thorough physician. I trust her to take care of myself and my family. We are so grateful for her excellent care!
April 11, 2019
I had all three small children together for wellness check the staff worked together efficiently & systematically to get us in & out - Thank you.
April 11, 2019
Thank you.
April 4, 2019
Dr. Ewing Haas is very patient and kind. She is always thorough, knowledgable and has great suggestions. I am a fairly new patient and think I will enjoy having her as my PCP
March 26, 2019
Always treated with decency and respect when I visit.
March 16, 2019
She was very understanding and relatable.
March 15, 2019
She does a good job.
March 14, 2019
Dealing with sensitive issues - my dr. was extremely sensitive to my issue, talked with me in length about what and how to deal with this along with she did not rush with me and made me very comfortable. Could not have been better.
March 6, 2019
No one is perfect
Feb. 26, 2019
I appreciated the time that was given to listen to my mothers needs and my concerns as well.
Feb. 21, 2019
Staff and my provider were VERY compassionate.
Feb. 4, 2019
she listened
Feb. 3, 2019
best stuff and doctors
Jan. 20, 2019
They got me in and out early due to cancellations of other patients on a snowy day.
Jan. 16, 2019
just an overall decent person. I was comfortable on my first visit and all that have followed. I feel safe and well cared for.
Dec. 27, 2018
Very pleasant, concerned, knowledgeable.
Dec. 16, 2018
she is wonderful! just wish she had more availability
Dec. 12, 2018
Recently moved to the area so this was my first visit. I was very impressed with the Dr and staff.
Dec. 12, 2018
it is unfortunate how long it takes to get an appointment, but I'm glad I like my PCP enough that it's worth it!
Dec. 11, 2018
The only problem is the scheduler she had my appointment time wrong by 15 minutes. Dr. Haas is an excellent doctor looking forward to working with her.