Rating Feedback for Dr. Romanick (490062)

The rating:
'I like her a lot. The staff are hard workers and so are her Nurse Practitioners. It's a long wait but the demand to see her is great as well. I understand she's dealing with a lot of different issues because she's an Internist as well as a Rheumatologist. The amount of time I had to wait ,she spent the same amount with me when I see her. She's great and it's too bad some of the "high-maintenance" patients don't see that. 2 thumbs up from me =)'
(http://www.ratemds.com/doctor-ratings/24867)
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What is a "high-maintenance" patient?