The greatest doctor in PA if not the USA! I trust this man with my life. Whatever he suggests follow. The guy who steer you wrong. See whoever he recommends too. ... Read more
It has been a while since I have seen Dr. Mendoza. I am a Registered Nurse at Jefferson. I made an appointment with Dr. Mendoza after a patient of mine told me how m... Read more
Been with Dr Derk since 2007. Very empathetic, kind, knowledgeable and helpful. Always listens and aids in my concerns. Best doctor I have ever had.
Brilliant doctor with kind, caring manner. Researcher with many books and articles.
been going for two years now. can't detect any change. He is very pleasant but no improvement in my hands or feet. Bring him coca-cola. he is a big fan.
I've NEVER, EVER waited more than 2 minutes to see Dr. Schimmer. I've been seeing him 4 times a year for several years. Good doc.
I waited 6 mos. for a 10 min. appt...he was abrupt & clueless about lupus, which a rheumatologist handles.
Must be the worst doctor as far as rheumatologists go. He's not incompetent. He just doesn't care. Gives a one-minute examination, leaving you no time to talk, ask q... Read more
Terrible, horrible, demeaning experience. I was dismissed and ignored then argued with publicly. Finally the staff decided I was worthy to see the doctor after all... Read more
Rheumatologists use their expertise to diagnose and treat rheumatic diseases and conditions that affect the joints and connective tissues of the body including rheumatoid arthritis. Read more
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