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William O Lacy

William O Lacy, MD

PulmonologySleep Medicine

Accepting New Patients
Need help scheduling? Call 502-559-5559

Highlights

Age Groups Seen

  • Adults

Languages

  • English

Gender

Male

Video

Locations

  1. Norton Pulmonary Specialists
  2. Norton Pulmonary Specialists

Expertise

Education

  • Fellowship: University of Cincinnati College of Medicine GME, Pulmonary Critical Care, 1992
  • Residency: University of Cincinnati College of Medicine GME, Internal Medicine, 1989
  • Internship: University of Cincinnati Medical Center, Internal Medicine, 1987
  • Medical Education: University of Louisville School of Medicine, Doctor of Medicine, 1986

Board Certifications

  • Pulmonary Disease: American Board of Internal Medicine, 1992
  • Internal Medicine: American Board of Internal Medicine, 1989

Insurance

Please contact the practice directly to confirm your health plan is in network.
Search plans
  • Aetna
  • Aetna Better Health
  • Aetna Medicare Advantage
  • Ambetter from MHS
  • Ambetter from WellCare of Kentucky
  • Anthem
  • Anthem Indiana 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)
  • HealthSmart
  • Hosparus
  • Humana Medicaid
  • Humana Medicare
  • Indiana Health Network
  • Indiana Medicaid
  • Indiana Medicare
  • 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
  • UofL Health – Frazier Rehabilitation Institute
  • Veterans Affairs (VA)
  • WellCare
  • WellCare Medicare
  • WellCare of Kentucky Medicaid (Kentucky MCO)
  • Wellpath
  • Workers’ Compensation

Ratings & Reviews

4.9 out of 5

470 ratings, 101 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 explained things clearly
Provider listened carefully
Provider gave easy to understand instruction
Provider knew important medical history
Provider showed respect for what you said
Provider spent enough time with you
Provider Rating
Provider explained things clearly
Provider showed concern
Provider included you in decisions
Likelihood of recommending this provider
Provider discussed treatment options
Search reviews
    5 out of 5 stars
    Reviewed on 2/28/2026

    I have received excellent care with Dr Lacy

    5 out of 5 stars
    Reviewed on 2/25/2026

    Great would highly recommend Dr Lacy

    5 out of 5 stars
    Reviewed on 2/23/2026

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

    5 out of 5 stars
    Reviewed on 2/23/2026

    All good !

    5 out of 5 stars
    Reviewed on 2/21/2026

    Excellent

    5 out of 5 stars
    Reviewed on 2/17/2026

    Very professional. Listened to my concerns

    5 out of 5 stars
    Reviewed on 2/17/2026

    Everything went smooth. I had a good experience.

    5 out of 5 stars
    Reviewed on 2/12/2026

    Dr Lacy explained what will happen next.

    5 out of 5 stars
    Reviewed on 2/11/2026

    All was great A+

    5 out of 5 stars
    Reviewed on 1/28/2026

    I love Dr Lacy he's a great Dr. Very kind thorough n knowledgeable explains everything to you. I would recommend to anyone

    4 out of 5 stars
    Reviewed on 1/16/2026

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

    5 out of 5 stars
    Reviewed on 1/14/2026

    Very informative

    5 out of 5 stars
    Reviewed on 1/14/2026

    He was concerned about my breathing

    5 out of 5 stars
    Reviewed on 1/13/2026

    Received excellent care

    5 out of 5 stars
    Reviewed on 1/10/2026

    Very good doctor.

    5 out of 5 stars
    Reviewed on 1/6/2026

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

    5 out of 5 stars
    Reviewed on 1/6/2026

    Good Visit

    5 out of 5 stars
    Reviewed on 1/6/2026

    Love Dr Lacy

    5 out of 5 stars
    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 out of 5 stars
    Reviewed on 12/30/2025

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

    5 out of 5 stars
    Reviewed on 12/21/2025

    Great office and great staff. Physician is exceptional.

    5 out of 5 stars
    Reviewed on 12/19/2025

    Fast and efficient

    5 out of 5 stars
    Reviewed on 12/19/2025

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

    5 out of 5 stars
    Reviewed on 12/17/2025

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

    5 out of 5 stars
    Reviewed on 12/11/2025

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

    5 out of 5 stars
    Reviewed on 12/10/2025

    He listened well and offered useful information and advice.

    5 out of 5 stars
    Reviewed on 12/6/2025

    Dr Lacy is awesome!

    5 out of 5 stars
    Reviewed on 12/1/2025

    Dr. Lacy was very nice

    5 out of 5 stars
    Reviewed on 11/29/2025

    Annual visit, review of patient responsibility

    5 out of 5 stars
    Reviewed on 11/28/2025

    The doctor was knowledgeable and efficient.

    5 out of 5 stars
    Reviewed on 11/26/2025

    Wonderful staff and DrLacy is exceptionally good

    5 out of 5 stars
    Reviewed on 11/24/2025

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

    5 out of 5 stars
    Reviewed on 11/23/2025

    Efficient and very nice

    5 out of 5 stars
    Reviewed on 11/23/2025

    Good visit

    3 out of 5 stars
    Reviewed on 11/20/2025

    Seems like he is very knowledgeable in his field

    5 out of 5 stars
    Reviewed on 11/20/2025

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

    5 out of 5 stars
    Reviewed on 11/18/2025

    I am impressed by being seen on time

    5 out of 5 stars
    Reviewed on 11/18/2025

    Always friendly and helpful

    5 out of 5 stars
    Reviewed on 11/17/2025

    Dr. Lacy is very professional and also very personable.

    5 out of 5 stars
    Reviewed on 11/15/2025

    Dr. Lacy and his staff are the best.

    5 out of 5 stars
    Reviewed on 11/8/2025

    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 out of 5 stars
    Reviewed on 11/6/2025

    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 out of 5 stars
    Reviewed on 11/3/2025

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

    5 out of 5 stars
    Reviewed on 10/28/2025

    All good

    5 out of 5 stars
    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 out of 5 stars
    Reviewed on 10/25/2025

    Best doctor ever.

    5 out of 5 stars
    Reviewed on 10/24/2025

    Dr Lacy is great

    5 out of 5 stars
    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 out of 5 stars
    Reviewed on 10/20/2025

    Everything went very goog

    5 out of 5 stars
    Reviewed on 10/20/2025

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

    5 out of 5 stars
    Reviewed on 10/18/2025

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

    5 out of 5 stars
    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 out of 5 stars
    Reviewed on 10/16/2025

    Staff very friendly

    5 out of 5 stars
    Reviewed on 10/11/2025

    Very caring and concerned about my health.

    5 out of 5 stars
    Reviewed on 10/6/2025

    Dr Lacey is best sleep specialist of 3 I've met at Norton. Efficient and Effective to create plan and progress through options

    5 out of 5 stars
    Reviewed on 9/27/2025

    They did great

    5 out of 5 stars
    Reviewed on 9/27/2025

    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 out of 5 stars
    Reviewed on 9/19/2025

    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 out of 5 stars
    Reviewed on 9/19/2025

    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 out of 5 stars
    Reviewed on 9/16/2025

    He listens

    5 out of 5 stars
    Reviewed on 9/13/2025

    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 out of 5 stars
    Reviewed on 9/12/2025

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

    5 out of 5 stars
    Reviewed on 9/11/2025

    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 out of 5 stars
    Reviewed on 8/29/2025

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

    5 out of 5 stars
    Reviewed on 8/26/2025

    Dr Lacy is awesome, [...].

    5 out of 5 stars
    Reviewed on 8/22/2025

    Friendly, outstandling service.

    5 out of 5 stars
    Reviewed on 8/21/2025

    Best provider for my asthma

    5 out of 5 stars
    Reviewed on 8/21/2025

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

    5 out of 5 stars
    Reviewed on 8/13/2025

    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 out of 5 stars
    Reviewed on 8/9/2025

    Dr Lacy is very caring

    5 out of 5 stars
    Reviewed on 8/7/2025

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

    5 out of 5 stars
    Reviewed on 8/6/2025

    Great doctor and staff

    5 out of 5 stars
    Reviewed on 8/5/2025

    Entire awesome Team!

    5 out of 5 stars
    Reviewed on 8/2/2025

    Dr Lacy is great when it comes to treating me by the based off what helps me and not some standardized treatment from a book. All patients are different and he obviously knows that and shows that! Outstanding doctor!!!

    5 out of 5 stars
    Reviewed on 7/23/2025

    Great

    5 out of 5 stars
    Reviewed on 7/22/2025

    Very very good Physician.

    5 out of 5 stars
    Reviewed on 7/20/2025

    Easy no bull all business.

    5 out of 5 stars
    Reviewed on 7/15/2025

    Dr Lacy is top knotch, and [...]

    5 out of 5 stars
    Reviewed on 7/3/2025

    Excellent and professional care

    5 out of 5 stars
    Reviewed on 7/1/2025

    Always respected and knowledgeable about my illness.

    5 out of 5 stars
    Reviewed on 7/1/2025

    Friendly, to the point, and gave good explanations as to my situation and condition.

    5 out of 5 stars
    Reviewed on 6/26/2025

    Whitney was amazing

    5 out of 5 stars
    Reviewed on 6/24/2025

    [...] this was my first visit with Dr. Lacy. He was very helpful with my questions!

    5 out of 5 stars
    Reviewed on 6/17/2025

    Staff was excellent. [...]

    4 out of 5 stars
    Reviewed on 6/12/2025

    Excellent

    5 out of 5 stars
    Reviewed on 6/11/2025

    Dr.Lacy is just the best. A great doctor with concerns for his patients

    5 out of 5 stars
    Reviewed on 6/2/2025

    He is the best Doctor that I have that listens to me and I can not think of anything that I could ask that he would not give me an answer that would not understand

    5 out of 5 stars
    Reviewed on 6/1/2025

    [...] Dr. Lacy handled things perfectly!

    5 out of 5 stars
    Reviewed on 6/1/2025

    Professional, friendly, explained things in a manner that was easy to understand. Listened well, answered all questions.

    5 out of 5 stars
    Reviewed on 5/23/2025

    Very good

    5 out of 5 stars
    Reviewed on 5/21/2025

    Everyone was so nice an interesting to what I had to say very pleased visit

    5 out of 5 stars
    Reviewed on 5/20/2025

    We talked about all we needed to talk about

    5 out of 5 stars
    Reviewed on 5/14/2025

    Very friendly staff

    5 out of 5 stars
    Reviewed on 5/7/2025

    Professional

    5 out of 5 stars
    Reviewed on 5/3/2025

    Everything was great!

    5 out of 5 stars
    Reviewed on 5/2/2025

    Excellent care and bedside manner. Well informed of my medical history and maintenance medicines

    5 out of 5 stars
    Reviewed on 4/25/2025

    Outstanding and very professional

    5 out of 5 stars
    Reviewed on 4/24/2025

    Excellent

    5 out of 5 stars
    Reviewed on 4/23/2025

    Provider is booked solid but I never feel rushed during an appt. He listens carefully and makes sure he answers all of my questions and concerns.

    5 out of 5 stars
    Reviewed on 4/22/2025

    Very satisfied

    5 out of 5 stars
    Reviewed on 4/19/2025

    Dr Lacy is a good Doctor