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.
Excellent Physician, Diagnostician.
(5 days ago)
Sep-2026
Dr Klein is the best urologist ever! He is very knowledgeable, professionally and genuinely cares about his patients health. I have been his patient for many years and couldn’t see myself going to anyone else!
(5 days ago)
Sep-2026
Great doctor!
(5 days ago)
Sep-2026
Dr Klein is the BEST at everything he does. My wife and I are so blessed to be under his care.
(1 week ago)
Sep-2026
Outstanding, professional and knowledgeable
(1 week ago)
Sep-2026
Dr Klein is terrific. He communicates in a calm and reassuring manner. I feel fortunate to have him as my Dr.
(1 week ago)
Sep-2026
Dr. Klein is a super Urologist. He is thorough and listens to your concerns and communicates at your level. He is genuinely interested in your issues and getting a resolution to them.
(2 weeks ago)
Sep-2026
On time. Efficient. Future plan OK.
(2 weeks ago)
Sep-2026
Excellent doctor who takes the time to listen to his patient.and make good suggestions for treatments.
(2 weeks ago)
Sep-2026
Lonnie is extremely thorough, knowledgeable, and takes his time. I always feel like I’m in good hands.
(2 weeks ago)
Sep-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
Excellent Physician, Diagnostician.
Dr Klein is the best urologist ever! He is very knowledgeable, professionally and genuinely cares about his patients health. I have been his patient for many years and couldn’t see myself going to anyone else!
Great doctor!
Dr Klein is the BEST at everything he does. My wife and I are so blessed to be under his care.
Outstanding, professional and knowledgeable
Dr Klein is terrific. He communicates in a calm and reassuring manner. I feel fortunate to have him as my Dr.
Dr. Klein is a super Urologist. He is thorough and listens to your concerns and communicates at your level. He is genuinely interested in your issues and getting a resolution to them.
On time. Efficient. Future plan OK.
Excellent doctor who takes the time to listen to his patient.and make good suggestions for treatments.
Lonnie is extremely thorough, knowledgeable, and takes his time. I always feel like I’m in good hands.