William O Lacy , MD
Sleep Medicine, Pulmonology
Accepting New Patients
4.9 of 5 stars
385 Ratings, 86 Reviews
University of Cincinnati College of Medicine GME
Fellowship, Pulmonary Critical Care, 1992
University of Cincinnati Medical Center
Internship, Internal Medicine, 1987
Residency, Internal Medicine, 1989
University of Louisville School of Medicine
Medical Education, Doctor of Medicine, 1986
4.90 out of 5 4.9 of 5 stars — 385 Ratings, 86 Reviews
The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
Reviewed on 06/20/2026
Dr. Lacy was very good. He was very professional and thoroughly explained my situation to me. He gave me advice on how to handle my questions.
Reviewed on 06/16/2026
Dr. Lacy was very open to sharing and discussing treatment ideas with me. We decided to try something new and I feel fantastic about his level of expertise and help during and follow up.
Reviewed on 06/10/2026
DR.LACY IS THE BEST. He saved my life. Hevis the only doctor that really listened to me and said somethings wrong let's take some steps forward to find out what is happening. I got a 5 way heart bypass.
Reviewed on 06/09/2026
Doctor reviewed my conditions and how the equipment was working
Reviewed on 05/29/2026
I was not trying to see this provider but he was nice. I don't understand why they changed my appointment and wouldn't give me options with my Doctor.
Reviewed on 05/06/2026
I love the care I get from my Dr here. B. White
Reviewed on 04/05/2026
Staff's 'bedside' manner is always excellent
Reviewed on 04/04/2026
Every member of the staff was extremely helpful and caring. It is like a, 'Down home,' experience every time I go there!
Reviewed on 03/26/2026
Excellent team.
Reviewed on 03/17/2026
I have recommended this practice to others.
He was caring
He always takes the time to listen to what I have to say
Reviewed on 03/07/2026
Dr lacy is always very thorough in his explanations and informative
Reviewed on 02/28/2026
I have received excellent care with Dr Lacy
Reviewed on 02/25/2026
Great would highly recommend Dr Lacy
Reviewed on 02/23/2026
Dr. Lacey is a role model for providers interacting w patients!
All good !
Reviewed on 02/21/2026
Excellent
Reviewed on 02/17/2026
Everything went smooth. I had a good experience.
Very professional. Listened to my concerns
Reviewed on 02/12/2026
Dr Lacy explained what will happen next.
Reviewed on 02/11/2026
All was great A+
Reviewed on 01/28/2026
I love Dr Lacy he's a great Dr. Very kind thorough n knowledgeable explains everything to you. I would recommend to anyone
Reviewed on 01/16/2026
Staff was very profesional and listened to everything that was said.
Reviewed on 01/14/2026
He was concerned about my breathing
Very informative
Reviewed on 01/13/2026
Received excellent care
Reviewed on 01/10/2026
Very good doctor.
Reviewed on 01/06/2026
Love Dr Lacy
Good Visit
He helps me explore options and optional medicines for my condition.
Reviewed on 12/30/2025
Dr. Lacey is very thorough and caring in my opinion. All of the staff are helpful and courteous.
The provider actually was able to see me a few minutes before my appointment time.My provider was very helpful.
Reviewed on 12/21/2025
Great office and great staff. Physician is exceptional.
Reviewed on 12/19/2025
Impressed with this office location. Very clean, efficient and roomy.
Fast and efficient
Reviewed on 12/17/2025
I always have had a good visit, no problems to date.
Reviewed on 12/11/2025
Has helped me in so many ways to be able to breathe better
Reviewed on 12/10/2025
He listened well and offered useful information and advice.
Reviewed on 12/06/2025
Dr Lacy is awesome!
Reviewed on 12/01/2025
Dr. Lacy was very nice
Reviewed on 11/29/2025
Annual visit, review of patient responsibility
Reviewed on 11/28/2025
The doctor was knowledgeable and efficient.
Reviewed on 11/26/2025
Wonderful staff and DrLacy is exceptionally good
Reviewed on 11/24/2025
A highly competent Dr. His years worth of experience are pure gold!
Reviewed on 11/23/2025
Good visit
Efficient and very nice
Reviewed on 11/20/2025
Seems like he is very knowledgeable in his field
I trust Dr Lacy 100 percent and I believe he does everything possible for his patients.
Reviewed on 11/18/2025
Always friendly and helpful
I am impressed by being seen on time
Reviewed on 11/17/2025
Dr. Lacy is very professional and also very personable.
Reviewed on 11/15/2025
Dr. Lacy and his staff are the best.
Reviewed on 11/08/2025
Dr Lacy spent a great deal of time showing me CT scans of my lungs and explaining changes that occurred since the previous scan. He is being appropriately conservative in treating my symptoms to avoid further long-term damage to my lungs.
Reviewed on 11/06/2025
They listened to me and they helped me get through what I need to do and make me feel like I was a person.
Reviewed on 11/03/2025
Dr. Lacy is my lung doctor. I see him once a year, and he is terrific.
Reviewed on 10/28/2025
All good
Reviewed on 10/27/2025
He's excellent. He informed me of a new inhaler, that he thought would be appropriate for me, and it has worked really well. Bonus, it was a covered medication, by my insurance, which was a combination by my doctor.
Reviewed on 10/25/2025
Best doctor ever.
Reviewed on 10/24/2025
Dr Lacy is great
Reviewed on 10/22/2025
Dr Lacy is an excellent physician and always explains things to me so I can understand them. Very knowledgeable about medications and how they can help me.
Reviewed on 10/20/2025
Provider was very nice professional seemed sincere about the care I needed [...]
Everything went very goog
Reviewed on 10/18/2025
I needed to address a different issue than orgianally discussed and he adapted very well and helped me out a lot. He did an in office test that was not orginally planned and came back in to explain results.
Staff and MD very knowledgeable and pleasant. Very pleased with the practically no wait.
Reviewed on 10/16/2025
Staff very friendly
Reviewed on 10/11/2025
Very caring and concerned about my health.
Reviewed on 10/06/2025
Dr Lacey is best sleep specialist of 3 I've met at Norton. Efficient and Effective to create plan and progress through options
Reviewed on 09/27/2025
They did great
Dr Lacy is never rushed when he sees me. He sits and reviews my chart and tests with me and provides me with the information I need.
Reviewed on 09/19/2025
Dr Lacy is the best! Very caring and attentive to my concerns. Wonderful visit. Have been seeing him for years but it was first visit to Greenwood office. Very nice.
Dr. Lacy was very polite and courteous. He did a great job asking me what was going on and helping with my issues. He did not rush the visit. Took plenty of time addressing my concerns. I appreciate the fact he shaked my hand when he came into exam room and when we were done and I was leaving.
Reviewed on 09/16/2025
He listens
Reviewed on 09/13/2025
On the way to this appt, I made a wrong turn twice which caused me to be later than their usual acceptable late amount of time. I really appreciate that Dr. Lacy did agreed to see me for this appointment, even though that may have caused him to be late for his previously scheduled appointment. He was very understanding about this & I felt that he gave me the time I needed for this appointment.
Reviewed on 09/12/2025
After initial meeting I felt instant trust and had no misgivings on following his advice on maintaining future care.
Reviewed on 09/11/2025
Dr Lacy has been my pulmonologist for many years. He's always knowledgeable, professional, and friendly. He is aware of my many medical conditions and concerned about them. [...]
Reviewed on 08/29/2025
I would want to be referred to Dr Lacy again if I wasn't already going to him
Reviewed on 08/26/2025
Dr Lacy is awesome, [...].
Reviewed on 08/22/2025
Friendly, outstandling service.
Reviewed on 08/21/2025
Dr. Lacy is very approachable and don't sugar coat topics I need to understand. I appreciate that!
Best provider for my asthma
Reviewed on 08/13/2025
Dr. Baker was my pulmonologist for the last five years until he recently retired. He recommended that I see Dr. Lacy, who I saw for the first time yesterday. I am very pleased with Dr. Baker's recommendation of Dr. Lacy. I look forward to continuing to recieve excellent care from Norton Pulmonologists. Thanks
Reviewed on 08/09/2025
Dr Lacy is very caring
Reviewed on 08/07/2025
Very personable and professional, Iam really pleased to have Dr.Lacey as one of my Doctors.
Reviewed on 08/06/2025
Great doctor and staff
Reviewed on 08/05/2025
Entire awesome Team!
For non-life threatening injury or illness. X-ray and rapid testing available (all ages).
Virtual visits for minor illnesses or health concerns (2 years and older).
For sick visits, sports/ camp physicals, vaccine and more (12 months and older).
All Fields are Required
Complete the form below to request an appointment with this provider.
You may also reach us at 1-800-NORTON-1.
Click the button below to schedule an appointment with this provider.