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.
Dr. Klein is the best! I’ve been seeing him for years and he’s very kind and very thorough. He gives me peace of mind every time I see him!
(3 days ago)
Jan-2026
Dr Klein really cares about his patients, he is very thorough and I feel I am getting the best care I can possibly be getting for this situation. He has a great bedside manner, always upbeat and positive.
(6 days ago)
Jan-2026
My Human Savior.
(1 week ago)
Jan-2026
Great Uurologist, really cares and is very personable. Besides that he is a highly skilled doctor that I really trust
(1 week ago)
Jan-2026
Dr Klein is the best. He always takes the time to explain medical issues and treatments including any side effects and risks.
(1 week ago)
Jan-2026
Friendly, thorough and very professional
Dr. Klein
(1 week ago)
Jan-2026
Dr. Klein is the best, he is very professional, personable, kind, and supportive. I highly recommend him.
(1 week ago)
Jan-2026
Helpful, listened, friendly.
(1 week ago)
Jan-2026
Very efficiently run office and professional doctor with good bedside manor.
(2 weeks ago)
Jan-2026
This is the first time I’ve even talked to Dr. Klein. I’ve been a patient for about four years. Haven’t talked to him in at least three years until last night when he called.
(2 weeks ago)
Jan-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
Dr. Klein is the best! I’ve been seeing him for years and he’s very kind and very thorough. He gives me peace of mind every time I see him!
Dr Klein really cares about his patients, he is very thorough and I feel I am getting the best care I can possibly be getting for this situation. He has a great bedside manner, always upbeat and positive.
My Human Savior.
Great Uurologist, really cares and is very personable. Besides that he is a highly skilled doctor that I really trust
Dr Klein is the best. He always takes the time to explain medical issues and treatments including any side effects and risks.
Friendly, thorough and very professional Dr. Klein
Dr. Klein is the best, he is very professional, personable, kind, and supportive. I highly recommend him.
Helpful, listened, friendly.
Very efficiently run office and professional doctor with good bedside manor.
This is the first time I’ve even talked to Dr. Klein. I’ve been a patient for about four years. Haven’t talked to him in at least three years until last night when he called.