Mary Ann Green, BSN, RN

Director of Nursing

Mary Ann Green, BSN, RN

Mary Ann Green, BSN, RN is the Director of Nursing at NW Indiana ER & Hospital, where she is responsible for implementing, directing, communicating, and instructing the nursing process to provide a safe environment for all patients, visitors, and associates. Prior to joining NW Indiana ER & Hospital, Mary Ann served as an Emergency Room Nurse for over 10 years, working in urgent and high patient volume settings.

Mary Ann received her Associate of Applied Science Degree in Nursing from Prairie State College in northeastern Illinois, and went on to earn her Bachelor of Science in Nursing from Purdue University, Northwest in Hammond, Indiana. She is highly certified in several areas including Advanced Cardiac Life Support, Trauma and Pediatric Advanced Life Support, where she also served as an instructor. In addition, she is a SANE (Sexual Assault Nurse Examiner). She has served as a member and department representative on several committees including Standards and Practice, Stroke and Chest Pain Accreditation committees. Mary Ann is also a member of the IAFN (International Association of Forensic Nurses) and SART (Sexual Assault Response Team) of Lake County, IN.

Mary Ann is known by her colleagues as a passionate and highly skilled healthcare provider. Her dedication to her work and delivering the best possible care to patients is evident in her use of patient centered care principles and professional nursing standards. She thrives in a leadership position where she can support the organization in achieving its goals. In her spare time, Mary Ann enjoys spending time with her husband, 2 daughters, sons-in-law, 2 grandchildren, and pets (2 dogs, 1 cat).

Google Reviews

Patient Testimonials

What people are saying about us

“I just want to say this was the most professional, organized hospital I have ever been too. Outstanding service and dedication from every employee! Highly recommend this facility! THANK YOU”

- Scott B.


“Went to this location to get a rapid Covid test per my doctor. This is a brand new facility, very clean and well setup. Was greeted very nicely and was directed paperwork to fill out. I went very early since a 24/7 location at 6am. I was the only one there. I was in and out in 57 min with rapid testing results in hand. Very professional folks here.”

- Ruben S.


“Amazing care and efficient service! I can’t say enough about Dr. Irving, his staff and nurses. Thank you for taking such great care of my two little girls. We traveled all the way from the Chicago suburbs and we will gladly make the trip again if needed.”

- Adam S.


“What a great staff! I called ahead of time to see if there was a wait, because we know how it can be on the weekends, and I was informed that there was not. I drove from the IL side and it was worth it. Trust the reviews! Staff was kind and bright eyed & bushy-tailed at almost 3am. Got me in and out without a hiccup and made sure I was extra comfy. HUGE KUDOS!! Thank you!! Also, just to make sure it's mentioned, clean and bright facility. Kids will feel safe here and not startled.”

- NaKia W.


“Dr. Shah and the team were wonderful to work with. Resisted coming here because we really wanted to go to an urgent care ($ considerations) but was relieved when we came here. They were so good working with our young son, and very friendly with him. The level of care and professionalism they provided was unmatched. Their attitudes were reassuring and caring. THANK YOU to all of them!”

- Jason S.


“Best service I’ve ever received from an ER! Every other hospital had hours long waiting time. I was treated right away, before even completing my paperwork. The entire staff was very friendly, and prioritized my care and peace of mind! They thoroughly explained everything to me and provided me with whatever I needed. 10/10 recommend! The only ER I’ll be visiting moving forward.”

- Arie T.


“This place is professional, and the staff are very courteous. I am new to the Northwest Indiana area and I’ve visited this place twice. Each experience has been superb. The providers go above and beyond to develop a solution and it is done within a timely manner. There is no sitting in the lobby for three hours, just to go to the triage area for an additional two hours. On each occasion I was completely nervous. However, the staff was able to provide comfort and reassurance. Anytime there is an emergency I will always go here. Keep up the great work!!!”

- Alexandria J.

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