Contact
Locations
3669 Countryside Lane
Marion, NY 14505
About Me
Faculty Appointments
Assistant Professor of Clinical Medicine - Department of Medicine, Primary Care Physicians (SMD)
Credentials
Residency & Fellowship
Residency, Internal Medicine, Mayo Foundation Rochester. 2011 - 2013
Internship, Internal Medicine, Mayo Foundation Rochester. 2010 - 2011
Education
MD | Northwestern University Feinberg School of Medicine. 2010
Ratings & Comments
At URMC, we believe that patients should be empowered to make the right decisions regarding their personal healthcare. To do so, transparency is critical. URMC partners with Press Ganey, to survey our patients about all aspects of their care experience. We are now putting this pertinent information at your fingertips by displaying star ratings for our providers along with anonymous patient comments on our website. This will help you make better-informed choices about how and with whom you seek care. Click here to learn more about the surveys used to generate this vital information. Learn more about our survey process.
Ratings
Care provider's discussion of any proposed treatment (options, risks, benefits, etc.)
Likelihood of recommending this care provider to others
Explanations the care provider gave you about your problem or condition
Care provider's efforts to include you in decisions about your care
Concern the care provider showed for your questions or worries
Patient Comments
Dr. Keith is the best!!
Jan 25, 2025
Dr. Keith and his staff are extremely knowledgeable, professional, and friendly. Heck, I feel like I'm visiting family when I go to his office. Over the years Dr. Keith has helped me progress from below average health to very good health. I owe this man a lot; I owe this practice a lot. They changed my life!!
Jan 23, 2025
Everything is fine
Jan 11, 2025
Dr. Keith is one of the best
Jan 10, 2025
Good
Dec 23, 2024
Dr Keith always listens and includes me in decisions about my care and concerns.
Nov 29, 2024
As I said Dr Keith listens to you and your concerns very good
Nov 22, 2024
Dr Keith always gives me useful advice
Nov 16, 2024
Very understanding of my medical issues and was professional and caring in explaining a plan to help me
Nov 08, 2024
All very good situation
Nov 02, 2024
Dr Keith is always friendly and helpful.
Oct 27, 2024
Good
Oct 24, 2024
Everything is fantastic here
Oct 06, 2024
The doctor was very thorough and listened to my concerns. I was very sick and he helped ease my m8nd and suggested a great plan.
Oct 03, 2024
Dr. Keith is always more than generous with his time and addresses any concerns I might have.
Sep 30, 2024
Dr. Keith is very good as my primary care doctor.
Sep 15, 2024
Definitely recommend this provider
Sep 02, 2024
Dr Keith is a blessing to the practice. He takes the time necessary to relate to the problem and offers compassion and understanding when discussing the situation.
Aug 23, 2024
I am a regular patient of Dr. Martin. This was my first time meeting and being treated by Dr. Keith. He thoughtfully listened to my concerns and symptoms and shared a good treatment plan with me. I am grateful for the excellent care I consistently receive in Marion.
Aug 18, 2024
Absolutely recommend Dr Keith
Aug 08, 2024
Always Good
Aug 04, 2024
Very good
Jul 23, 2024
Dr Keith is always patient and caring.
Jul 11, 2024
Dr. Keith is an excellent listener and very empathetic. I never feel rushed.
Jul 08, 2024
Dr Keith and all the staff are excellent!
Jun 23, 2024
Everything was fine
Jun 10, 2024
My concerns were looked at
Jun 10, 2024
All were good
Jun 09, 2024
Doctor KIETH IS TREMENDOUS !!!
Jun 08, 2024
Doctor Keith IS THE ABSOLUTE GREATEST DOCTOR I HAVE EVER HAD !!!
Jun 08, 2024
Dr. Keith always makes me feel comfortable and calm when I visit him.
Jun 06, 2024
Dr. Keith has always been a good Dr.to me, always a good listener and always concerned and helpfull of my health.
Jun 04, 2024
Excellent
May 27, 2024
I moved but prefer to stay with Dr Keith as I trust and like him and staff
May 15, 2024
I think Dr Keith does a great job of listening to me and my concerns and comes up with a plan to h
May 10, 2024
Dr Keith always shows concerns for my health. He goes over what I'm going through and always has great feedback
May 10, 2024
Dr. Keith listens to everything I have to say about my health and allows me time to discuss how I am feeling, both physically and mentally.
May 09, 2024
Dr Keith and I believe Lisa was the name of the girl answering the phone. Both very compassionate and professional. I felt very comfortable visiting for my questionable illness
May 02, 2024
All good
Apr 30, 2024
I can say only good things ab out Dr. Keith [...].
Apr 30, 2024
I have total confidence in Dr Keith. Lisa, in service support is a very good advocate for the pstient.
Apr 26, 2024
Everyone is great!
Apr 26, 2024
Dr Lucas Keith is an amazing doctor.
Apr 26, 2024
You are doing just fine.
Apr 17, 2024
This provider is the best. He shows great concern and passion for your issues. Goes the extra mile you make you feel important. He is the best provider I have ever had!!!!!
Apr 17, 2024
In & out in a hurry - Like there was something - They had to do that was more important.
Apr 15, 2024
Very personable and cared about my health concerns.
Apr 15, 2024
We truly appreciate Dr. Keith.
Apr 15, 2024
Dr. Keith had great communication skills and cares about my health concerns.
Apr 14, 2024
All goods
Apr 14, 2024
All good
Apr 14, 2024
All good
Apr 14, 2024
Dr. Keith was very through and spend ample time with me.
Apr 10, 2024
Everyone was respectful
Apr 07, 2024
Doctor Keith is the only doctor I will ever go to !!!
Apr 05, 2024
Doctor Lucas is the greatest I have ever had !!!
Apr 05, 2024
Drs. in this office including staff are excellent.
Apr 01, 2024
All. They care as a group and one feels it!!
Mar 31, 2024
Great doctors!
Mar 30, 2024
Excellent experience
Mar 30, 2024
Excellent overall.
Mar 29, 2024
Dr Keith is awesome. He has helped get my A1C down and is very knowledgeable and respectful of my health concerns.
Mar 29, 2024
All around good experience. In and out in a timely fashion.
Mar 29, 2024
Dr. Keith is always professional, taking time to answer any questions I have. He also says not to hesitate to make an appointment if I have any of my chronic (minor) conditions get worse. I could not be more pleased with the care I receive.
Mar 29, 2024
Answers questions, is attentive and caring.
Mar 29, 2024
Excellent primary care -Dr Keith
Mar 25, 2024
Dr. Keith is great. I can only thank him and the Stront Memorial Hospital for all there good advice. [...]
Mar 22, 2024
Dr. Keith deserves recognition. I've been difficult but I think Ive changed for the better, I just want to be the healthiest I can be.
Mar 22, 2024
All office staff helpful, nurse was efficient and friendly. I like Dr Keith very much he listens.
Mar 20, 2024
Good
Mar 20, 2024
Dr Keith and his staff are very professional
Mar 19, 2024
Dr Keith is very good at answering any questions
Mar 18, 2024
All good.
Jan 18, 2024
Dr. Keith has been great, a compassionate and caring person. I feel lucky to have him as my primary care doctor.
Jan 16, 2024
Very caring and professional
Jan 13, 2024
All goods
Jan 10, 2024
All goods
Jan 10, 2024
All goods
Jan 10, 2024
I believe Dr Keith to be exceptional. He listens and answers my questions and I feel confident that he has my best interests at heart.
Jan 03, 2024
Dr. Lucas Keith is an exceptional care provider..always caring about your medical conditions and explaining any questions I may have very thoroughly and in terms you can understand
Dec 31, 2023
Dr Keith always listens to my concerns and answers all my questions thoroughly
Dec 30, 2023
Dr. Keith listened to my concerns asked if I had any other questions
Dec 30, 2023
I am very pleased with Dr. Keith.
Dec 29, 2023
Fair.
Dec 28, 2023
Always good.
Dec 27, 2023
Always good
Dec 27, 2023
Open communication and answered my questions
Dec 19, 2023
I am very happy with Dr. Keith as my medical provider.
Dec 16, 2023
Dr Keith - keeping me alive!
Dec 12, 2023
Dr Keith has always been fantastic. He listened to my concerns and participated in joint medical decision making with me, which I appreciated very much. As a healthcare provider myself, Dr Keith has always been fantastic with discussion and developing a plan together.
Dec 11, 2023
All goods
Dec 07, 2023
All goods
Dec 07, 2023
All goods
Dec 07, 2023
Al. Good
Dec 07, 2023
Always good. Everyone is personable. Dr Keith is very good about explaining things in laymen's terms.
Dec 07, 2023
Dr.Keith was a huge help in referring me to a specialist at the UR Strong Hospital.
Dec 07, 2023
Keep providing excellent medical care from caring and compassionate professional providers.
Dec 06, 2023
I trust that Dr. Keith has my best interests in mind when dealing with my medical issues.
Dec 06, 2023
I like everyone at the this office.
Dec 06, 2023
Visit was satisfactory and does not need Improvement
Sep 23, 2023
He was very good at what happen with me and concerned about me
Sep 21, 2023
Everything is great
Sep 13, 2023
Dr Keith is an amazing provider and is new resident was great, also.
Sep 13, 2023
Dr. Keith listened to my concerns and answered all my questions and concerns.
Sep 01, 2023
I have always enjoyed my visits with Dr. Keith. He is very open and friendly.
Aug 30, 2023
Dr. Keith is always respectful of my needs and concerns, and provides easy to understand information.
Aug 30, 2023
You are doing just fine, thank you.
Aug 30, 2023
Everyone is very nice!!
Aug 27, 2023
I only go to Dr once a yr usually but always a great experience going for an appointment.
Aug 10, 2023
I was very pleased with everything.
Aug 05, 2023
Dr. Keith had always been great and keeps things on line and is very good to make it easy to follow his instuctions. Dr. Keith is always stratured. Very grateful for such a nice dry.
Aug 04, 2023
I am very happy with everything.
Aug 04, 2023
Dr. Keith is a good listener, very thorough and doesn't rush me.
Aug 04, 2023
I am well pleased with the care I receive at Primary Care Marion.
Jul 30, 2023
All goods
Jul 29, 2023
Very good
Jul 29, 2023
Dr Keith is very good. He tells me his thoughts and gives me options concerning health issues. The staff is also friendly and professional.
Jul 29, 2023
I have always been very satisfied.
Jul 28, 2023
Dr. Keith is an amazing physician! He is always on top of all my health concerns. He always follows up with personal emails to check on you after a hospital visit. He has personally called me to make to make sure I am doing good. I would recommend him to anyone as a great physician.
Jul 27, 2023
Excellent care and concern are always Dr. Keith's priority. He also saw me immediately after my phone call!
Jul 27, 2023
Dr. Keith saw me very promptly. He listened to me & my wife & daughter. He made appropriate suggestions & adjustments to my meds. He wants feedback on Thursday. He is very proactive which I really appreciate!
Jul 19, 2023
Was attentive and provided sound advice.
Jul 19, 2023
Dr Keith always listens to my concerns and answers all my questions. He makes himself readily available via emails 24/7
Jul 18, 2023
[...] They are ALL exceptional
Jul 18, 2023
ALL GOOD
Jul 12, 2023
Everyone at UR Marion is helpful and listens to your questions and concerns. I highly recommend them.
Jul 08, 2023
All the personnel who work at UR Marion deserve recognition!
Jul 08, 2023
Everyone was very pleasant.
Jul 05, 2023
1st time seeing Dr Keith, and it was an excellent experience.
Jul 05, 2023
The experience was good. [...]
Jul 05, 2023
He was informative and seemed concerned. [...]
Jul 05, 2023
Dr Keith is always a pleasure to speak with. Very helpful and caring.
Jun 22, 2023
Excellent experience!
Jun 22, 2023
Dr. Keith was genuinely interested in my concerns for various health issues I have and offered good advice. He was a pleasure to converse with.
Jun 22, 2023
Not helpful in any way whats so ever. [...]
Jun 20, 2023
Always treated with respect and listens to concerns
Jun 16, 2023
He always listens and gives me answers I can understand. His office help is amazing also. They helped me get a much needed prescription, that I cannot afford, free from the producer.
Jun 10, 2023
Keep up the good work. I am a coward when it comes to medical anything. Dr. Keith is trying to get [...] to pay for an arm monitor for my blood sugar, because poking my finger is painful, and I don't do it as often as I should.
Jun 10, 2023
Dr. Is a good listener. Always takes my perspective into consideration when making decisions regarding my health
Jun 08, 2023
I am very pleased with the care I receive from Dr. Keith and the staff at Marion.
Jun 03, 2023
My first office visit as a new patient was very pleasant.
Jun 03, 2023
Very caring and easy to relate to
May 21, 2023
I was very happy with how fast the office got me in for my concerns, and did not brush them off. My only wish was that I could get my husband and sons into the office so we're all with the same doctor
May 05, 2023
Susan, Dr. Keith's nurse - always so pleasant and - professional. Dr. Keith - excellent care - thorough and professional.
Apr 24, 2023
Everything was great.
Apr 21, 2023
Everything is good.
Apr 21, 2023
Completely satisfied
Apr 19, 2023
Dr Lucas Keith, always helpful, patient, competent and cordial.
Apr 08, 2023
I have no suggestions for improvement, all went very well.
Apr 08, 2023
The Marion PC office is well run making it an excellent health services provider to deal with.
Apr 08, 2023
Dr. Keith is great
Apr 05, 2023
Everyone works well as a team here. They always are very helpful and caring.
Mar 29, 2023
Very satisfied with service
Mar 28, 2023
Dr Keith really cares
Mar 23, 2023
Dr. Lucas Keith has my trust and confidence in all matters that relate to my overall health.
Mar 15, 2023
You are doing just fine.
Mar 15, 2023
Dr Lucas Keith. He has helped me through a very difficult time in my life. He listened, he didn't judge and provided me understanding when that was what I really needed. He has followed up both through the my chart app and in person. He has really provided the kind of care patients need these days. Sometimes just listening to what the patient says is as important as the diagnosis.
Mar 13, 2023
Dr Keith is AWESOME!!
Mar 06, 2023
[...] the visit went very well.
Mar 03, 2023
The visit went very well.
Mar 03, 2023
Dr. Keith is the best PCP I've ever had. The staff is always friendly and helpful.
Feb 26, 2023
Very professional
Feb 15, 2023
[...] Everything satisfactory.
Feb 08, 2023
Could not be happier with service received.
Feb 08, 2023
Dr. Keith is always great. He is personable and makes the visit as stress free as possible.
Feb 04, 2023
Dr Keith has helped me in so many ways, I have had some dark days but he ALWAYS takes time with me and as much time as I need. Thank you Dr Keith
Jan 28, 2023
I am very happy with this office
Jan 28, 2023
Good experience.
Jan 27, 2023
[...] I love the experience at this clinic
Jan 26, 2023
I always feel very cared for with utmost excellence.
Jan 26, 2023
Great experience.
Jan 23, 2023
They are all wonderful from secretary to nurse to dr.
Jan 23, 2023
[...] Provider was encouraging and supportive. Provider answers my messages.
Jan 18, 2023
The visit was great. [...]
Jan 03, 2023
All good
Dec 30, 2022
All goods
Dec 25, 2022
Dr. Keith is the best doctor because he deeply cares and listens.
Dec 16, 2022
[...] I am VERY SATISFIED with the care we get from Dr. KEITH and the staff
Dec 15, 2022
I am very pleased with Dr. Keith and the staff at URMC Marion.
Dec 03, 2022
We appreciate Dr. Keith's professionalism and follow up. He explained things well and reviewed everything to our satisfaction, taking into consideration the concerns of family regarding the patient.
Nov 30, 2022
My experience at Dr. Keith's facility is great.
Nov 30, 2022
Everything was great
Nov 25, 2022
This was my first visit with Dr. Keith and I was very impressed.
Nov 24, 2022
Dr. Keith is excellent. He takes his time and listens carefully. He asks probing questions.
Nov 20, 2022
Nurse Susan Was very good. Polite & friendly. Dr. Keith got me set up for colonoscopy that detected cancerous tumor. Am thankful for that!
Nov 16, 2022
[...]. EVERYTHING WENT SMOOTHLY.
Nov 03, 2022
Dr Keith was very thorough and listened to all of my concerns. He's very kind. Both nurses were amazing as well. Made me feel at ease.
Oct 29, 2022
It was all good
Oct 21, 2022
The whole team! I like everyone there.
Oct 16, 2022
We really appreciated meeting Dr. Keith and having his expertise.
Oct 10, 2022
All good
Oct 02, 2022
Dr. Keith deserves special recognition for his professionalism, communication ability, medical knowledge and caring. I'm glad I found him!
Sep 19, 2022
Dr. Keith sighed loudly and audibly 2 times after I took too much of his time recounting a lengthy list of symptoms and concerns. This made me feel lousy and wish I had just stsyed home, because he obviously didn't care about what I had to say.
Sep 09, 2022
Continue to employ more physicians like Dr. Lucas Keith.
Aug 19, 2022
Dr. Keith is the very best doctor I have ever had and is so wonderful as a provider.
Aug 19, 2022
Dr. Keith provides excellent service. Best doctor I ever had.
Aug 13, 2022
[...]. Completely satisfied with the experience.
Aug 06, 2022
[...] it was a great experience
Jul 27, 2022
Everyone has been so nice and pleasant, made the visit very nice.
Jul 20, 2022
[...] I am completely satisfied and comfortable with Dr. Keith and his staff.
Jul 18, 2022
Great office, and thorough annual exam.
Jul 15, 2022
Dr. Keith and his nurse, Susan are both fabulous providers!!
Jun 09, 2022
I am well pleased with my current doctor and the care I receive.
Jun 08, 2022
[...] Dr. Keith is a very caring dr. and I recommend to my friends and he listens to your concerns.
May 16, 2022
Dr. Lucas Keith. He helped me to my health we should have more drs. like him. Staff - Lisa - Susan.
May 16, 2022
You're doing just fine.
May 11, 2022
Dr. Keith has been awesome. He is in my opinion, the epitome of a family doctor. He is caring, listens to all my concerns, and makes me feel involved with my health care. The entire staff at the Marion location has been great. Whenever I call there, they are quick to help out.
Apr 25, 2022
Dr Keith is a great doc
Apr 21, 2022
I feel like my family is in great hands. When I am in Florida I have required prescription adjustments any PT referrals and the office has been great !!
Apr 18, 2022
Dr needs to make eye contact with patient. He kept his eyes closed or looks away when talking to patient.
Apr 13, 2022
Dr Keith has been so wonderful regarding my many questions and concerns. I feel he truly listens
Apr 01, 2022
[...] Dr Keith listen very well explains my concerns
Mar 20, 2022
All my interaction with the UR medicine staff and physicians has been positive.
Mar 16, 2022
My experience has been and continues to be excellent.
Mar 11, 2022
Dr. Keith and the nurse Susan Duane deserve recognition. They are always kind and treat us with respect.
Feb 25, 2022
Everything is fine as it is.
Feb 19, 2022
DR. KEITH IS THE BEST GP I HAVE EVER HAD YOU ARE FORTUNATE TO HAVE HIM AS WELL AS THE COMMUNITY HE SERVES
Feb 11, 2022
Dr. Keith and nurse Susan are always pleasant, respectful and easy to talk to
Feb 09, 2022
Service is good , no need to improve my visit
Feb 01, 2022