Dr. Lonnie Klein, M.D., is a board certified urologist practicing in Pinellas and Pasco Counties since 1998. He graduated from New York Medical College in Valhalla, New York, and completed his surgical and urology training Columbia University in New York (1998). He is a fellow of the American College of Surgeons (FACS), diplomate of the American Board of Urology, and is licensed by the State of Florida Board of Medicine as well as New York State.
Dr. Klein has served on local committees including Chairman of the Department of Surgery for the Mease Hospitals, prostate cancer support groups, cancer screening, and has conducted numerous seminars on incontinence, prostate cancer, BPH, and erectile dysfunction. Dr. Klein also has a special interest in robotic surgery (www.intuitivesurgical.com) and neuromodulation for bladder control (Interstim therapy – www.medtronic.com).
Dr. Lonnie Klein, M.D., is a board certified urologist practicing in Pinellas and Pasco Counties since 1998. He graduated from New York Medical College in Valhalla, New York, and completed his surgical and urology training Columbia University in New York (1998). He is a fellow of the American College of Surgeons (FACS), diplomate of the American Board of Urology, and is licensed by the State of Florida Board of Medicine as well as New York State.
Dr. Klein has served on local committees including Chairman of the Department of Surgery for the Mease Hospitals, prostate cancer support groups, cancer screening, and has conducted numerous seminars on incontinence, prostate cancer, BPH, and erectile dysfunction. Dr. Klein also has a special interest in robotic surgery (www.intuitivesurgical.com) and neuromodulation for bladder control (Interstim therapy – www.medtronic.com).
The reviews listed below were collected independently of Advanced Urology Institute through rater8. Each review represents an authentic and verified patient experience.
Lonnie Klein i a great urologist, he is always patient, and answers all my questions. He personally follows up on all my test and scans.
5 stars all the way 😀
Thank you
(3 days ago)
Jul-2026
Dr Klein was thorough, listened to my concerns and treatead me with empathy and respect!
(4 days ago)
Jul-2026
Listens and very attentive.
(4 days ago)
Jul-2026
Top urologist @ mease
(4 days ago)
Jul-2026
Excellent visit. I arrived 10 minutes early for my appointment. It was an hour and 10 minutes before I saw the doctor. Only a big deal if you have another appointment scheduled 1 hour and 40 minutes after the scheduled AUI appointment.
(4 days ago)
Jul-2026
Always friendly on target and efficient. Super doctor.
(5 days ago)
Jul-2026
Dr Klein is very personable, makes you feel at ease and gives you all the options. My husband Has been seeing him for several years. We are so glad to have found him.
(1 week ago)
Jul-2026
Dr. KLein is a wonderful Dr. to have
(1 week ago)
Jul-2026
Best urologist in the world!
(1 week ago)
Jul-2026
Very professional caring doctor, would recommend him for office visits and procedures that are needed.
(1 week ago)
Jul-2026
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Pinellas: Safety Harbor
1840 Mease Drive Suite 300 Safety Harbor, FL 34695
Pinellas: Trinity Oaks
2044 Trinity Oaks Blvd Suite 225 New Port Richey, FL 34655
Dr. Lonnie Klein, M.D., is a board certified urologist practicing in Pinellas and Pasco Counties since 1998. He graduated from New York Medical College in Valhalla, New York, and completed his surgical and urology training Columbia University in New York (1998). He is a fellow of the American College of Surgeons (FACS), diplomate of the American Board of Urology, and is licensed by the State of Florida Board of Medicine as well as New York State.
Dr. Klein has served on local committees including Chairman of the Department of Surgery for the Mease Hospitals, prostate cancer support groups, cancer screening, and has conducted numerous seminars on incontinence, prostate cancer, BPH, and erectile dysfunction. Dr. Klein also has a special interest in robotic surgery (www.intuitivesurgical.com) and neuromodulation for bladder control (Interstim therapy – www.medtronic.com). He also is trained in High Intensity Focused Ultrasound (HIFU) for treatment of prostate cancer. He has multiple journal publications and has been a sub-investigator for numerous pharmaceutical drug studies involving prostate cancer, enlarged prostate, and erectile dysfunction. Honors include the Alpha Omega Alpha Medical Honor Society.
Dr. Klein is an active urologist working at our offices in Trinity & Safety Harbor, FL.
PRIMARY SPECIALTY: Adult Urology MEDICAL EDUCATION: New York Medical College : 1992 PREMED EDUCATION: SUNY Binghamton, New York : 1988 BS Biology BA History RESIDENCY: Columbia University, New York : 1998 Urology ASSOCIATION MEMBERSHIPS: American Urologic Association Florida Medical Association Pinellas County Medical Association American College of Surgeons Leadership Positions for Dr. Klein: LEADERSHIP POSITIONS: Chairman Credentials Comittee, Mease Hospitals – 2008-2010 Chairman, Department of Surgery Mease Hospitals – 2005-2007 Co-Chairman, IMC Outpatient Services Morton Plant Mease – 2008 Pinellas County Medical Association Board of Directors – 2007-2009 President Elect Medical Staff, Mease Hospitals – 2008 Vice Chairman, Department of Surgery Mease Hospitals – 2003-2005 BOARD CERTIFICATIONS: American Board of Urology : 2000 Recertified 2007- Valid till 2020 OTHER CERTIFICATIONS: Fellow, American College of Surgeons : 2000 AFFILIATIONS: Community Hospital, New Port RIchey, Fl : 2007 Affiliate- Moffit Cancer Center, USF, Tampa, Fl : 2001 Morton Plant Northbay Hospital, New Port RIchey, Fl : 2000 Mease Countryside Hospital, Safety Harbor, Fl : 1998 Mease Countryside Hospital, Dunedin, Fl 1998 : 1998
Lonnie Klein i a great urologist, he is always patient, and answers all my questions. He personally follows up on all my test and scans. 5 stars all the way 😀 Thank you
Dr Klein was thorough, listened to my concerns and treatead me with empathy and respect!
Listens and very attentive.
Top urologist @ mease
Excellent visit. I arrived 10 minutes early for my appointment. It was an hour and 10 minutes before I saw the doctor. Only a big deal if you have another appointment scheduled 1 hour and 40 minutes after the scheduled AUI appointment.
Always friendly on target and efficient. Super doctor.
Dr Klein is very personable, makes you feel at ease and gives you all the options. My husband Has been seeing him for several years. We are so glad to have found him.
Dr. KLein is a wonderful Dr. to have
Best urologist in the world!
Very professional caring doctor, would recommend him for office visits and procedures that are needed.