John R. Harper, III, M.D. NPI Number: 1720098205 Primary Specialty: General Practice Languages Spoken: ENGLISH Gender: Male Education Medical School Pennsylvania State Univ. College of Medicine Star Ratings 4.8 out of 5 ( 77 Ratings, 13 Comments ) About This Survey 5 11 Comments 4 2 Comments 3 0 Comments 2 0 Comments 1 0 Comments Comments Aug 11, 2026 I hope to have professional doctors, like Dr. Harper, my sincere appreciation. May 26, 2026 Thank You Apr 29, 2026 What I would like is for them not to give me appointments over the phone, but rather to simply tell me the results. I would like to receive face-to-face medical attention from the doctor. Thank you. Apr 21, 2026 Everyone was very kind and treated me with great care. Apr 1, 2026 Dr. Harper and staff are always very helpful. Mar 30, 2026 Positive, informative with easy access. Feb 24, 2026 Everything was perfect, thank you. Feb 11, 2026 Service was great, never had issues with the Dr and the staff that highly trained in there field, Always smiling with and they do the job with skill and from my point of view they enjoy it, Calexico staff and El Centro perfect 10 in my book!!!!! Jan 28, 2026 Thanks to my doctors at the regional center. Jan 21, 2026 My dad waited more than 6 hours to receive the results of his x-ray and tomography scan. Jan 21, 2026 Dr. Harper is a very professional doctor, he knows how to listen and always gets my health problems right. I wouldn't trade him for anyone. Jan 13, 2026 Thank you to the doctor for his support and care. Nov 18, 2025 Overall it was a good experience