William A. Kay, MD | Mason, OH | Internist

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Dr. William Kay treats chest wall pain, heart failure, and chest pain, and performs electrocardiograms and echocardiography. He practices internal medicine and is board-certified in internal medicine by the American Board of Internal Medicine. He sees patients in Mason, Fairfield, Oxford, and Liberty Township, Ohio. Patients on Vitals rate Dr. Kay 5 out of 5.

Overview based on verified provider data

accepting new patients
5

17 Ratings
40 insurance plans accepted
speaks English
17 written reviews
1 award
1 specialty
2 areas of expertise
1 board certification
4 office locations
Male

Patients report positive experiences with Dr. William Aaron Kay, praising his ability to provide clear, understandable explanations and offering a choice of treatment options while demonstrating kindness and professionalism. He is applauded for his personable nature and sense of humor, making patients feel comfortable, heard, and cared for during their visits. Negative feedback is absent in the reviews, indicating an overwhelmingly positive perception of Dr. Kay's services and patient care. The doctor’s thoroughness, thoughtful communication, and proactive problem-solving in managing prescriptions were particularly appreciated.

AI-generated from the text of patient reviews

17 ratings & reviews

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Showing 1 to 10 of 17 reviews

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Doc Kay is great

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

June 8th, 2026 | Source: Partner

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This was a follow-up and I had an EKG and all went very well.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

May 28th, 2026 | Source: Partner

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The doctor gave complete, understandable explanations. He was also reassuring, and quickly allayed my fears. He suggested several treatment and monitoring options, but allowed me to decide. He was very personable and possesses a great sense of humor,

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

April 16th, 2026 | Source: Partner

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Dr. Kay is an exemplary Cardiologist! He asking greats questions, and is extremely informative and kind! Dr. Kay is a Role Model Physician in every way. I have told family & friends about the goodness of Dr. Kay!

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

March 29th, 2026 | Source: Partner

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One of the best Doc. I have had.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

June 16th, 2025 | Source: Partner

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Very professional and jump right into my episode I had while there

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

May 4th, 2025 | Source: Partner

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Doctor listen to my questions concern.i was listen and treated responsible. Doctor was good

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

April 25th, 2025 | Source: Partner

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Dr Kay is great. He explained everything very well. He took his time and gave me time to ask questions. I definitely felt like he cared about me

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

February 12th, 2025 | Source: Partner

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Dr. Kay patiently explained things to me. I didn't feel rushed through the visit and I felt very happy with the visit.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

January 15th, 2025 | Source: Partner

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Dr Kay has always been very kind, gracious and professional in the treatment he has provided me. He is straight forward and easy to understand.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

December 20th, 2024 | Source: Partner

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Mercy Health - Kings Mills Cardiology

5470 Kings Island Dr Ste 120Mason, OH 45040

Tel: (513) 751-4222

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed

Mercy Health - The Heart Institute, Fairfield

3000 Mack Rd Ste 100Fairfield, OH 45014

Tel: (513) 751-4222

Mon7:30 am - 5:00 pm

Tue7:30 am - 5:00 pm

Wed7:30 am - 5:00 pm

Thu7:30 am - 5:00 pm

Fri7:30 am - 5:00 pm

SatClosed

SunClosed

Mercy Health - The Heart Institute, Oxford

270 S Locust StOxford, OH 45056

Tel: (513) 751-4222

Mon7:30 am - 5:00 pm

Tue7:30 am - 5:00 pm

Wed7:30 am - 5:00 pm

Thu7:30 am - 5:00 pm

Fri7:30 am - 5:00 pm

SatClosed

SunClosed

Mercy Health - The Heart Institute, Kyles Station

4652 Partners PlLiberty Twp, OH 45011

Tel: (513) 751-4222

Mon7:30 am - 5:00 pm

Tue7:30 am - 5:00 pm

Wed7:30 am - 5:00 pm

Thu7:30 am - 5:00 pm

Fri7:30 am - 5:00 pm

SatClosed

SunClosed


William A Kay, MD	Dr. Adewumi Bakare DMSc, PA-C	Dr. Kuoying Jocelyn Wang, MD	Dr. Hyun Min Song, MD
Internal Medicine	Internal Medicine	Infectious Disease	Diagnostic Radiology
Accepts New Patients	Accepts New Patients
5 (17 Ratings)	0 (0 Ratings)	3.5 (8 Ratings)	0 (0 Ratings)
		36 Years of Experience	28 Years of Experience
No Virtual Visit Option	Virtual Visit Available	No Virtual Visit Option	No Virtual Visit Option
Speaks English	Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin)	Speaks Chinese, English, Portuguese	Speaks English
Mason , OH	Mesquite , TX	Cincinnati , OH	Cincinnati , OH
	Med School: University of Lynchburg - DMSc	Med School: State University Of New York Upstate Medical University	Med School: New York Medical College
Current Profile	View Profile	View Profile	View Profile

Search for your insurance and plan

Internal Medicine

Cardiovascular Disease
Internal Medicine/pediatrics

William A Kay holds an expired medical license in the state of Ohio. They are board certified in Internal medicine by the American Board of Internal Medicine.

Board Certifications

Board certified in Internal medicine by the American Board of Internal Medicine.

Medical License

Medical Doctor with an expired medical license in the state of Ohio that expired in 2026.

NPI Number

William A Kay's NPI number is 1700094307.

Carole Marie Lannon
Pediatrics
44 Years Exp | Cincinnati, OH
(0)
Kevin Mcdonald
Diagnostic Radiology
6 Years Exp | CINCINNATI, OH
(0)
Katharine Grace Stolz
Anesthesiology
5 Years Exp | Moreno Valley, CA
(0)
Jana Holmes Braden
Other
38 Years Exp | Cincinnati, OH
(0)
Michael Anthony Martin
Infectious Disease
46 Years Exp | CINCINNATI, OH
(0)
John Michael Keefe
Emergency Medicine
51 Years Exp | Cincinnati, OH
(0)
Susan Renee Boyd-Lawhorn
Pediatrics
27 Years Exp | Wilder, KY
(0)
Nivedit Ajay Kudchadker
Pediatrics
25 Years Exp | Cincinnati, OH
(0)
Amitkumar Mahendraku Patel
Addiction Medicine
18 Years Exp | Fairfield, OH
(0)
Zainab Naeem Akhtar
Pediatrics
19 Years Exp | Cincinnati, OH
(0)

Where is William Kay's office located?: William Kay's office is located at 5470 Kings Island Dr Ste 120, Mason, OH, 45040.
Does William Kay accept virtual/telehealth appointments?: William Kay has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is William Kay accepting new patients?: William Kay is accepting new patients on Vitals. View William Kay's profile on Vitals to make an appointment.
How can I make an appointment with William Kay?: You can find contact information for William Kay here on Vitals.
Does William Kay accept my insurance?: You can see the insurance plans that William Kay accepts on their Vitals profile.

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