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Jennifer Mackinnon, MD

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Internal Medicine, Primary Care
4.8 (145)
Associate Professor
Accepting New Patients

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New Patient Appointments 414-805-6644
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Established Patients 414-805-6850
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I truly enjoy taking care of my patients. I believe the foundation of the patient-physician relationship is to always put the patient first by listening carefully and engaging in a care plan as a team.

I truly enjoy taking care of my patients. I believe the foundation of the patient-physician relationship is to always put the patient first by listening carefully and engaging in a care plan as a…
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Dr. Mackinnon also specializes in Executive Health physicals. If you are a business executive looking to learn more about our Executive Health Program or to schedule an appointment, please visit our Executive Health Program or call (414) 805-5150.


Treatment & Services

Chronic Disease Management
Health Maintenance and Prevention
Virtual Visit
Women's Health Services

Ages Seen


Languages Spoken


Hospital Affiliations

Froedtert Hospital


Internal Medicine - Froedtert Hospital Specialty Clinics
8850 William Coffey Dr.
Milwaukee, WI 53226
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Education & Training

Rosalind Franklin University of Health Sciences/The Chicago Medical School - North Chicago - IL - Doctor of Medicine - (2000)

University of Illinois, Urbana-Champaign - Champaign - IL - Residency, Internal Medicine - (2000-2003)

University of Illinois, Urbana-Champaign - Champaign - IL - Chief Resident, Internal Medicine - (2003-2004)

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.

4.8 out of 5. 145 ratings, 31 reviews
March 31, 2021
listens very well to my health concerns and I feel my medical are well considered.
March 31, 2021
I am currently a new patient. But after leaving my appointment Dr. MacKinnon had me feeling reassured that working together we would find out the reasons behind my symptoms.
Feb. 25, 2021
Dr. MacKinnon is the best doctor I have ever had...she even called me in the mid of the current pandemic to ask if me and my husband were doing ok...that's unheard of in this day and age...
Feb. 25, 2021
took the extra time to listen to all my concerns. very professional physician
Feb. 24, 2021
Dr. was cordial and gave clear answers to my medical questions.
Feb. 13, 2021
This visit was to establish a primary care physician.
Feb. 11, 2021
Dr MacKinnon is always well prepared for my annual visit. It always feels like my previous visit was last week, not last year. She listens intently to all of my questions and insures my understanding of her answers.
Jan. 7, 2021
always excellent consistent service delivered courteously and with dignity and respect.
Dec. 8, 2020
I don't think she was very thorough and I didn't feel like she was interested in providing anticipatory guidance.
Dec. 3, 2020
This was a Establish a new Doctor relationship visit
Dec. 3, 2020
She takes her time and really listens. You don't feel rushed.
Nov. 27, 2020
My doctor took the time to care for me and explain things to me as we went along. She made the process a great experience.
Nov. 14, 2020
Jenniffer is the best family doctor I had ever had.
Nov. 10, 2020
Are for as I'm concerned, Dr. Mackinnon walks on water. She has been unfailingly terrific since my first appointment.
Nov. 2, 2020
Dr MacKennon is the best doctor I've ever had next to my retired OBGYN!
Oct. 24, 2020
Dr. MacKinnon is great!
Oct. 6, 2020
very thorough, easy to speak with, efficient and knowledgeable this was my first visit and for a specific problem. I intentionally changed internists due to my dissatisfaction with previous internist. I think Dr Mackinnon will be a good match for me. additionally she called me today to share my lab results - impressive
Oct. 6, 2020
Dr. MacKinnon is the best.
Oct. 1, 2020
She is very empathetic and really listens to us. We can feel her genuine interest and concern for our well-being !
Sept. 26, 2020
Dr McKinnon has always provided the most thorough services of a primary care physician. Always on the look out for what's best for me. I appreciate her knowledge, experience and most importantly her caring. she is the very best. I consider myself very fortunate to be her patient.
Sept. 24, 2020
I just noticed that the provider seemed to be very weary- I know its a tough time to be in healthcare
Sept. 10, 2020
I've never had a doctor so professional yet personable and attentive. Simply the best!!
Sept. 9, 2020
I like my doctor. And the hospital. my husband LOVE it there. We tell my family's n friends. Thank You
Aug. 26, 2020
Dr. Mackinnon was very concerned about my symptoms and had several options she discussed with me. She responded immediately to the various blood tests she had done. I really felt she cared.
Aug. 20, 2020
Dr. M. spent extra time discussing a health issue with me and was very helpful. She is always this way- easy to talk to, very understanding and helpful. I always feel good after seeing her.
July 31, 2020
Dr. Mackinnon was very attentive to my health concerns, provided necessary information, and took appropriate action toward resolving these issues.
July 15, 2020
Listened to my concerns, asked questions, addressed the issues
June 28, 2020
Dr Mackinnon is has excellent professional etiquette
June 18, 2020
Dr. MacKinnon is wonderful to work with. She is straight forward, talks openly about things and makes you feel comfortable. She is quick to respond with lab results, and includes non canned responses. I would recommend her to anyone.
May 18, 2020
Done by telephone due to Covid 19 restrictions. was satisfying and accomplished my goals
May 14, 2020
i think she a. Good. Dr
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