Mario N. Montalbo, MD

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Internal Medicine, Primary Care
4.8 (257)
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Staff Physician
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Greendale Health Center (414) 423-0555


As a practicing Internist since 1994, Dr. Montalbo cares for all adult patients, ranging from those in good health to those with acute and chronic illnesses. His varied experiences stem from private practice in rural Michigan to inner city services in Columbus, Ohio. Having joined Froedtert & Medical College of Wisconsin in 2003, he has now included teaching students and residents as an additional duty and interest. His main objective will always be to provide quality care for all his patients. Dr. Montalbo's services are provided through his practice at the Greendale Health Center.


Treatment & Services

Chronic Disease Management
Health Maintenance and Prevention

Ages Seen


Languages Spoken


Hospital Affiliations

Froedtert Hospital


Greendale Health Center
6220 W. Loomis Rd
Greendale, WI 53129
(414) 423-0555
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Education & Training

University of Pittsburgh School of Medicine - PA - Doctor of Medicine - (1991)

St. Joseph Mercy Hospital - Ann Arbor - MI - Internship in Internal Medicine - (1991-1992)

St. Joseph Mercy Hospital - Ann Arbor - MI - Residency in Internal Medicine - (1992-1994)

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. 257 ratings, 60 reviews
Dec. 20, 2019
professional, personable, knowledgeable, likable, good sense of humor
Dec. 20, 2019
Doctor tracks health and health history well. In addition to making recommendations, he also listened to my input and was careful to respond to all my questions.
Dec. 17, 2019
Extra questions, leading questions, about general health relating to older patients should have been asked of me. For example, do you have any skin bumps or lesions, what vitamins do you take, etc.
Dec. 16, 2019
excellent group of medical people, would recommend to anyone
Dec. 5, 2019
Dr. Montalbo listened carefully and attentively, explained treatments options thoroughly, an excellent physician.
Dec. 4, 2019
good listener/doctor. thanks
Dec. 1, 2019
The provider was very thorough, and explained things in a very helpful positive manner.
Nov. 28, 2019
Dr Montalbo is sympathetic to my health but also firm in his instructions on what I need to do to be healthy. He is always optimistic and helping me to be forward moving. His joyful demeanor is contagious. Truly a nice person.
Nov. 16, 2019
this was my first appointment with Dr Montalbo. my husband is a patient and we are very pleased that we made the change. the entire staff is very good
Nov. 9, 2019
He never rushes and always talks to you about all your concerns. He is a wonderful doctor
Nov. 7, 2019
he takes the time to understand what my medical situation is. the NP also is very pro active.
Nov. 4, 2019
Doctor seemed genuinely interested in my concerns and issues and provided information on how to resolve or monitor them.
Nov. 3, 2019
Everyone is very kind and helpful.
Nov. 3, 2019
Up to date
Nov. 2, 2019
Dr Mantalbo shows a definite interest in my long term well being. He is a fantastic doctor
Nov. 1, 2019
Dr. listened to my questions and answered them so I could understand them. Very important to hear people out!
Nov. 1, 2019
Most of my time was spent with new PA Jeanna. She was excellent. Made me feelbetter about my problems and had excellent advise on how to work for a healthier me.
Oct. 17, 2019
Dr Montalbo is an excellent doctor who shows a great deal of compassion and understanding and is someone I greatly respect. I would recommend him to anyone and feel very fortunate to have him as my primary doctor!
Oct. 3, 2019
I truly enjoy working with Dr. Mario Mantalbo. He listens to me and cares about my health care needs!
Oct. 2, 2019
This was a pre-op visit for an upcoming surgery. Dr. Montalbo seemed to do everything necessary to ensure a safe outcome. After reading his notes for the visit in MyChart, I was very impressed about how thorough and complete the exam was.
Oct. 1, 2019
Sept. 25, 2019
Dr. Montalbo was very warm and cordial and listened intently as I answered his questions. This was my first appointment with him which influences why I had no interaction with him in the past three months.
Sept. 17, 2019
Dr Montalbo is a joy to see. He is an excellent resource and guide to my optimum health
Sept. 17, 2019
Very satisfied, Dr Montalbo is the best doctor that I ever had.
Sept. 16, 2019
had two issues with feet and right arm. as I am getting older more concerned about little things that show up. very thorough on checking me out and discussing. noted in my chart. notes from last exam we reviewed any issues that were no longer there.
Sept. 12, 2019
I asked him two questions, and although he opened his mouth and said some words, they were not responsive to my questions. I thought that my questions were clear, so that if he didn't know the answer, he should have said so (and said that he would check and get back to me), rather than just uttering some meaningless words.
Sept. 11, 2019
excellent work together with intern
Sept. 9, 2019
I believe that Dr. Montalbo is genuinely invested in the health of his patients, he projects a feeling that he is really glad to see and serve you. I've never had a health care provider that I could say this about.
Aug. 28, 2019
attentive to my needs and concerns
Aug. 23, 2019
I appreciated Dr. Montellbos thoroughness, efficiency and suggestions he offered for my care. I found him very knowledgeable and positive!
Aug. 3, 2019
Dr. Montalbo does not rush his visits, but he does interact at high speed and energy. I know he's paying attention, because he records my concerns accurately and responds to me appropriately, but sometimes I find it hard to keep up with HIM. Occasionally I forget to bring up a concern because we've already moved on to something else. This is not a big worry, however, because he is very good about responding via MyChart when the need arises. He's very good.
Aug. 1, 2019
More compassionate the last two appointments. explained situations and medical conditions very well
July 27, 2019
he takes time to listen, helped me find achievable goals, provided encouragement and wants to evaluate how well the plan to better health is working.
July 13, 2019
July 9, 2019
doc had us focus
July 8, 2019
Excellent visit with PA. MD, not so much. breezes in and out without any impact. are you phasing our actual MDs? Not sure why he bothered coming into exam room. Contributed nothing of value to the visit. PA acted more like MD. He is not receptive to family caregivers and challenges faced regarding care and issues relevant to advanced age. PA, again, was excellent.
June 26, 2019
very caring and spent the time to explain things, and meeting with him for the first time made me feel very at ease
June 5, 2019
Excellent, caring physician
May 30, 2019
I very much like Dr. Montalbo.
May 27, 2019
Provided service the day I called. Prompt meeting with the doctor and changed medication after looking a my history to help with issues after a blood test.
May 22, 2019
excellent service from EVERYONE!!!
May 8, 2019
May 1, 2019
My provider has a genuine concern and respect for my health and well being.
April 26, 2019
April 26, 2019
I have new insurance and was with my previous doctor at Aurora for around 15 years, so I was a little upset about needing to start over due to insurance. But Dr. M and his staff were so good and so welcoming that it eased any of my concerns, and they spent as much time with me as needed. Thank you!
April 26, 2019
Dr Montalbo is kind, considerate, caring and knowledgeable. Staff is excellent and I would encourage others to see him. I feel very confident with him taking care of my health concerns
April 24, 2019
Dr. Montalbo was very attentive and made sure my medial history was checked over. The assistant was very friendly and helpful. the reception ladies were warm and welcoming. All in all everyone made me feel welcome, comfortable, and I went away knowing my health is in good hands.there was a question on the survey about someone giving me my results.... it was all on My Chart so they didn't have to call me. if there was some red flag I am sure they would contact me.
April 12, 2019
April 11, 2019
April 9, 2019
Mario is caring and sympathetic but also pushes you to be better. Unlike other doctors I've had he is engaged in your health and truly cares about your wellbeing
April 7, 2019
staff very friendly and knowledgeable take great notes and cheer you up if you feel nervous. provider very friendly and knowledgeable takes pride in explaining your meds and ways to take them so you don't have issues. Knows how you feel about meds and helps with that
April 5, 2019
none they are always great
March 26, 2019
kind and empathetic
March 18, 2019
I enjoy our conversations.
March 12, 2019
Friendly, knowledgeable listens, has your full attention, keeps you informed.
March 5, 2019
Dr. Montalbo is personable, tracks my records well, always asks if I have any questions. He responded promptly to a question I had after my visit
Feb. 21, 2019
The entire staff from medical to office are interested in their patients and it shows. They listen, are courteous and respectful.
Feb. 18, 2019
Everything went great!
Feb. 14, 2019
long wait time, but very busy day.
Feb. 12, 2019
My primary doctor saw me for less than 5 min. The PA & nurse talked with me more. Disappointed that my primary doctor did not spend an adequate amount of time with me. My primary doc retired & *Dr. Montalbo has not taken the time to really understand and get to know me as well as my clinical info.