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.
He may be a doctor but he is also a very nice gentleman I will keep going to him for my problems
(3 days ago)
Oct-2026
Excellent doctor 🧑⚕️.
(1 week ago)
Oct-2026
Great doctor. Very easy to talk to. Makes you understand and explains tests and follows with a treatment plan.
(1 week ago)
Sep-2026
Dr.Klein truly cares and listens to you. I never felt rushed or unanswered. He is very knowledgeable and I’m grateful for it. Very lucky to be his patient. Would highly recommend him and his team to anyone!
(1 week ago)
Sep-2026
Best Dr I have ever had! Spoke clearly and confidently and helped me understand my situation.
(1 week ago)
Sep-2026
I am grateful for Dr. Klein answering my questions and offering his professional advice.
(1 week ago)
Sep-2026
Knowledgeable Doctor
(1 week ago)
Sep-2026
Dr. Klein was professional, compassionate and extremely knowledgeable. He was an excellent listener and truly devoted to my needs as a patient. Dr Klein is top notch and I highly recommend him
(1 week ago)
Sep-2026
One of the best doctor in the state of Florida thank you
(2 weeks ago)
Sep-2026
Personable, patient and knowledgeable.
(2 weeks ago)
Sep-2026
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
He may be a doctor but he is also a very nice gentleman I will keep going to him for my problems
Excellent doctor 🧑⚕️.
Great doctor. Very easy to talk to. Makes you understand and explains tests and follows with a treatment plan.
Dr.Klein truly cares and listens to you. I never felt rushed or unanswered. He is very knowledgeable and I’m grateful for it. Very lucky to be his patient. Would highly recommend him and his team to anyone!
Best Dr I have ever had! Spoke clearly and confidently and helped me understand my situation.
I am grateful for Dr. Klein answering my questions and offering his professional advice.
Knowledgeable Doctor
Dr. Klein was professional, compassionate and extremely knowledgeable. He was an excellent listener and truly devoted to my needs as a patient. Dr Klein is top notch and I highly recommend him
One of the best doctor in the state of Florida thank you
Personable, patient and knowledgeable.