About

William O Lacy, M.D., is board certified in pulmonary disease and internal medicine. He specializes in sleep medicine and pulmonology. Training: • Medical Education: Doctor of Medicine - University of Louisville School of Medicine (1986) • Internship: Internal Medicine - University of Cincinnati Medical Center (1987) • Residency: Internal Medicine - University of Cincinnati College of Medicine GME (1989) • Fellowship: Pulmonary Critical Care - University of Cincinnati College of Medicine GME (1992)

Locations



Expertise

Education

  • University of Cincinnati College of Medicine GME

    Fellowship, Pulmonary Critical Care, 1992

  • University of Cincinnati Medical Center

    Internship, Internal Medicine, 1987

  • University of Cincinnati College of Medicine GME

    Residency, Internal Medicine, 1989

  • University of Louisville School of Medicine

    Medical Education, Doctor of Medicine, 1986


Age Groups Seen

Age Groups Seen
Adults
Languages
English
Gender
Male

Reviews

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.

provider listened carefully 4.90 out of 5 (4.9)
provider gave easy to understand instruction 4.90 out of 5 (4.9)
provider knew important medical history 4.80 out of 5 (4.8)
provider showed concern 4.90 out of 5 (4.9)
provider spent enough time with you 4.90 out of 5 (4.9)
provider rating 4.80 out of 5 (4.8)
provider explained things clearly 4.90 out of 5 (4.9)
likelihood of recommending this provider 4.90 out of 5 (4.9)
provider included you in decisions 4.90 out of 5 (4.9)
provider showed respect for what you said 4.90 out of 5 (4.9)
provider discussed treatment options 4.90 out of 5 (4.9)

5.00 out of 5 5.0 out of 5

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.

5.00 out of 5 5.0 out of 5

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.

5.00 out of 5 5.0 out of 5

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.

5.00 out of 5 5.0 out of 5

Reviewed on 06/09/2026

Doctor reviewed my conditions and how the equipment was working

5.00 out of 5 5.0 out of 5

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.

5.00 out of 5 5.0 out of 5

Reviewed on 05/06/2026

I love the care I get from my Dr here. B. White

5.00 out of 5 5.0 out of 5

Reviewed on 04/05/2026

Staff's 'bedside' manner is always excellent

5.00 out of 5 5.0 out of 5

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!

5.00 out of 5 5.0 out of 5

Reviewed on 03/26/2026

Excellent team.

5.00 out of 5 5.0 out of 5

Reviewed on 03/17/2026

I have recommended this practice to others.

5.00 out of 5 5.0 out of 5

Reviewed on 03/17/2026

He was caring

5.00 out of 5 5.0 out of 5

Reviewed on 03/17/2026

He always takes the time to listen to what I have to say

5.00 out of 5 5.0 out of 5

Reviewed on 03/07/2026

Dr lacy is always very thorough in his explanations and informative

5.00 out of 5 5.0 out of 5

Reviewed on 02/28/2026

I have received excellent care with Dr Lacy

5.00 out of 5 5.0 out of 5

Reviewed on 02/25/2026

Great would highly recommend Dr Lacy

5.00 out of 5 5.0 out of 5

Reviewed on 02/23/2026

Dr. Lacey is a role model for providers interacting w patients!

5.00 out of 5 5.0 out of 5

Reviewed on 02/23/2026

All good !

5.00 out of 5 5.0 out of 5

Reviewed on 02/21/2026

Excellent

5.00 out of 5 5.0 out of 5

Reviewed on 02/17/2026

Everything went smooth. I had a good experience.

5.00 out of 5 5.0 out of 5

Reviewed on 02/17/2026

Very professional. Listened to my concerns

5.00 out of 5 5.0 out of 5

Reviewed on 02/12/2026

Dr Lacy explained what will happen next.

5.00 out of 5 5.0 out of 5

Reviewed on 02/11/2026

All was great A+

5.00 out of 5 5.0 out of 5

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

4.00 out of 5 4.0 out of 5

Reviewed on 01/16/2026

Staff was very profesional and listened to everything that was said.

5.00 out of 5 5.0 out of 5

Reviewed on 01/14/2026

He was concerned about my breathing

5.00 out of 5 5.0 out of 5

Reviewed on 01/14/2026

Very informative

5.00 out of 5 5.0 out of 5

Reviewed on 01/13/2026

Received excellent care

5.00 out of 5 5.0 out of 5

Reviewed on 01/10/2026

Very good doctor.

5.00 out of 5 5.0 out of 5

Reviewed on 01/06/2026

Love Dr Lacy

5.00 out of 5 5.0 out of 5

Reviewed on 01/06/2026

Good Visit

5.00 out of 5 5.0 out of 5

Reviewed on 01/06/2026

He helps me explore options and optional medicines for my condition.

5.00 out of 5 5.0 out of 5

Reviewed on 12/30/2025

Dr. Lacey is very thorough and caring in my opinion. All of the staff are helpful and courteous.

5.00 out of 5 5.0 out of 5

Reviewed on 12/30/2025

The provider actually was able to see me a few minutes before my appointment time.My provider was very helpful.

5.00 out of 5 5.0 out of 5

Reviewed on 12/21/2025

Great office and great staff. Physician is exceptional.

5.00 out of 5 5.0 out of 5

Reviewed on 12/19/2025

Impressed with this office location. Very clean, efficient and roomy.

5.00 out of 5 5.0 out of 5

Reviewed on 12/19/2025

Fast and efficient

5.00 out of 5 5.0 out of 5

Reviewed on 12/17/2025

I always have had a good visit, no problems to date.

5.00 out of 5 5.0 out of 5

Reviewed on 12/11/2025

Has helped me in so many ways to be able to breathe better

5.00 out of 5 5.0 out of 5

Reviewed on 12/10/2025

He listened well and offered useful information and advice.

5.00 out of 5 5.0 out of 5

Reviewed on 12/06/2025

Dr Lacy is awesome!

5.00 out of 5 5.0 out of 5

Reviewed on 12/01/2025

Dr. Lacy was very nice

5.00 out of 5 5.0 out of 5

Reviewed on 11/29/2025

Annual visit, review of patient responsibility

5.00 out of 5 5.0 out of 5

Reviewed on 11/28/2025

The doctor was knowledgeable and efficient.

5.00 out of 5 5.0 out of 5

Reviewed on 11/26/2025

Wonderful staff and DrLacy is exceptionally good

5.00 out of 5 5.0 out of 5

Reviewed on 11/24/2025

A highly competent Dr. His years worth of experience are pure gold!

5.00 out of 5 5.0 out of 5

Reviewed on 11/23/2025

Good visit

5.00 out of 5 5.0 out of 5

Reviewed on 11/23/2025

Efficient and very nice

3.00 out of 5 3.0 out of 5

Reviewed on 11/20/2025

Seems like he is very knowledgeable in his field

5.00 out of 5 5.0 out of 5

Reviewed on 11/20/2025

I trust Dr Lacy 100 percent and I believe he does everything possible for his patients.

5.00 out of 5 5.0 out of 5

Reviewed on 11/18/2025

Always friendly and helpful

5.00 out of 5 5.0 out of 5

Reviewed on 11/18/2025

I am impressed by being seen on time

5.00 out of 5 5.0 out of 5

Reviewed on 11/17/2025

Dr. Lacy is very professional and also very personable.

5.00 out of 5 5.0 out of 5

Reviewed on 11/15/2025

Dr. Lacy and his staff are the best.

5.00 out of 5 5.0 out of 5

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.

4.00 out of 5 4.0 out of 5

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.

5.00 out of 5 5.0 out of 5

Reviewed on 11/03/2025

Dr. Lacy is my lung doctor. I see him once a year, and he is terrific.

5.00 out of 5 5.0 out of 5

Reviewed on 10/28/2025

All good

5.00 out of 5 5.0 out of 5

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.

5.00 out of 5 5.0 out of 5

Reviewed on 10/25/2025

Best doctor ever.

5.00 out of 5 5.0 out of 5

Reviewed on 10/24/2025

Dr Lacy is great

5.00 out of 5 5.0 out of 5

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.

5.00 out of 5 5.0 out of 5

Reviewed on 10/20/2025

Provider was very nice professional seemed sincere about the care I needed [...]

5.00 out of 5 5.0 out of 5

Reviewed on 10/20/2025

Everything went very goog

5.00 out of 5 5.0 out of 5

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.

5.00 out of 5 5.0 out of 5

Reviewed on 10/18/2025

Staff and MD very knowledgeable and pleasant. Very pleased with the practically no wait.

5.00 out of 5 5.0 out of 5

Reviewed on 10/16/2025

Staff very friendly

5.00 out of 5 5.0 out of 5

Reviewed on 10/11/2025

Very caring and concerned about my health.

5.00 out of 5 5.0 out of 5

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

5.00 out of 5 5.0 out of 5

Reviewed on 09/27/2025

They did great

5.00 out of 5 5.0 out of 5

Reviewed on 09/27/2025

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.

5.00 out of 5 5.0 out of 5

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.

5.00 out of 5 5.0 out of 5

Reviewed on 09/19/2025

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.

5.00 out of 5 5.0 out of 5

Reviewed on 09/16/2025

He listens

5.00 out of 5 5.0 out of 5

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.

5.00 out of 5 5.0 out of 5

Reviewed on 09/12/2025

After initial meeting I felt instant trust and had no misgivings on following his advice on maintaining future care.

5.00 out of 5 5.0 out of 5

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. [...]

5.00 out of 5 5.0 out of 5

Reviewed on 08/29/2025

I would want to be referred to Dr Lacy again if I wasn't already going to him

5.00 out of 5 5.0 out of 5

Reviewed on 08/26/2025

Dr Lacy is awesome, [...].

5.00 out of 5 5.0 out of 5

Reviewed on 08/22/2025

Friendly, outstandling service.

5.00 out of 5 5.0 out of 5

Reviewed on 08/21/2025

Dr. Lacy is very approachable and don't sugar coat topics I need to understand. I appreciate that!

5.00 out of 5 5.0 out of 5

Reviewed on 08/21/2025

Best provider for my asthma

5.00 out of 5 5.0 out of 5

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

5.00 out of 5 5.0 out of 5

Reviewed on 08/09/2025

Dr Lacy is very caring

5.00 out of 5 5.0 out of 5

Reviewed on 08/07/2025

Very personable and professional, Iam really pleased to have Dr.Lacey as one of my Doctors.

5.00 out of 5 5.0 out of 5

Reviewed on 08/06/2025

Great doctor and staff

5.00 out of 5 5.0 out of 5

Reviewed on 08/05/2025

Entire awesome Team!


Insurance

  • Aetna
  • Aetna Better Health
  • Aetna Medicare Advantage
  • Ambetter from MHS
  • Ambetter from WellCare of Kentucky
  • Anthem
  • Anthem Kentucky Medicaid
  • Anthem MediBlue HMO/PPO
  • Anthem Pathway
  • Anthem Pathway Transition
  • CareSource Indiana Medicaid
  • CareSource Marketplace Kentucky and Indiana
  • Cigna
  • CorVel
  • Coventry
  • Encore
  • Essence
  • First Health Group Corp. (First Health)
  • UofL Health – Frazier Rehabilitation Institute
  • HealthSmart
  • Hosparus
  • Humana Medicare
  • Humana Medicaid
  • Indiana Medicaid
  • Indiana Medicare
  • Indiana Health Network
  • Kentucky Medicaid
  • Kentucky Medicare
  • MDwise
  • MHS
  • Molina Healthcare
  • MultiPlan
  • Passport Health Plan Kentucky MCO
  • Passport Marketplace
  • Provider Net/OMCA
  • Sagamore
  • Signature Advantage
  • SIHO
  • TRICARE Humana Military
  • United Healthcare
  • United Healthcare Community Plan Indiana and Kentucky
  • United Healthcare Medicare Advantage
  • Veterans Affairs (VA)
  • WellCare
  • WellCare of Kentucky Medicaid (Kentucky MCO)
  • WellCare Medicare
  • Wellpath
  • Workers’ Compensation
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