Dr. William A. Kay
- Gender: Male
- Experience: 17 years
- Graduated from: Indiana University School Of Medicine
- Graduation year: 2004
- Sole propriator: No
- NPI: 1700094307
Dr. William A. Kay MD
Resident
He is located at 3000 Mack Road Suite 100 in Fairfield, OH 45014. Can help patients with the following: Anemia, Bradycardia, Carotid Artery Disease, High Blood Pressure, Pericarditis, Pulmonary Hypertension (PH). His National Provider Identifier (NPI) number is 1700094307. Appointment can be made via the phone number (513) 751-4222. He is affiliated with 4 practices and 3 hospitals.
Conditions treated
Dr. William Aaron Kay, being an resident, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. William A. Kay.
- Abdominal Aortic Aneurysm (AAA)
- Abdominal Pain
- Acute Pain
- Amyloidosis
- Anemia
- Angina
- Aortic Stenosis
- Arrhythmia
- Arthritis
- Asthma
- Atherosclerosis
- Atrial Fibrillation
- Atrial Flutter
- Atrial Septal Defect (ASD)
- Birth Defects
- Bladder Control
- Blood Clots
- Bradycardia
- Cardiomyopathy
- Carotid Artery Disease
- Cerebral Aneurysm
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic Venous Insufficiency
- Common Cold
- Congenital Heart Disease (CHD)
- Congestive Heart Failure (CHF)
- Constipation
- Cystitis
- Diarrhea
- Edema
- Endocarditis
- Fainting
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Attack
- Heart Disease
- Heart Murmur
- Heart Valve Disease
- Hiatal Hernia
- High Blood Pressure
- High Cholesterol
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- May-Thurner Syndrome
- Migraine
- Mitral Insufficiency
- Mitral Valve Prolapse (MVP)
- Mitral Valve Stenosis
- Myocarditis
- Nausea and Vomiting
- Obesity
- Orthostatic Hypotension
- Osteoporosis
- Pacemaker
- Palpitations
- Paroxysmal Supraventricular Tachycardia (PSVT)
- Peptic Ulcer
- Pericardial Tamponade
- Pericarditis
- Postural Orthostatic Tachycardia Syndrome (POTS)
- Premature Ventricular Contraction (PVC)
- Prescription Refill
- Pulmonary Edema
- Pulmonary Embolism (PE)
- Pulmonary Hypertension (PH)
- Renal Vascular Disease
- Rheumatic Fever
- Rheumatic Heart Disease
- Stroke
- Urethritis
- Urinary Tract Infection (UTI)
- Ventricular Fibrillation
- Ventricular Septal Defect (VSD)
- Wolff-Parkinson-White Syndrome (WPW)
Procedures Performed by Dr. William A. Kay
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William A. Kay as in-network for the following 2026 plans.
Health plans
Antidote Health Plan of Ohio, Inc.
Network data as of Nov 9, 2025, as reported by the insurer.
Show all 15 plans from Antidote Health Plan of Ohio, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Complete 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx | HMO · Expanded Bronze | Tierone | Not accepting new patients |
| Bronze Complete+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx | HMO · Expanded Bronze | Tierone | Not accepting new patients |
| Bronze Elite 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx | HMO · Expanded Bronze | Tierone | Not accepting new patients |
| Bronze Elite+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx | HMO · Expanded Bronze | Tierone | Not accepting new patients |
| Bronze Standard | HMO · Expanded Bronze | Tierone | Not accepting new patients |
| Gold Complete 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx | HMO · Gold | Tierone | Not accepting new patients |
| Gold Complete+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx | HMO · Gold | Tierone | Not accepting new patients |
| Gold Elite 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx | HMO · Gold | Tierone | Not accepting new patients |
| Gold Elite+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx | HMO · Gold | Tierone | Not accepting new patients |
| Gold Standard | HMO · Gold | Tierone | Not accepting new patients |
| Silver Complete 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx | HMO · Silver | Tierone | Not accepting new patients |
| Silver Complete+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx | HMO · Silver | Tierone | Not accepting new patients |
| Silver Elite 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx | HMO · Silver | Tierone | Not accepting new patients |
| Silver Elite+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx | HMO · Silver | Tierone | Not accepting new patients |
| Silver Standard | HMO · Silver | Tierone | Not accepting new patients |
CareSource
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 21 plans from CareSource
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze 7500 $25 Generic Drugs | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Core Gold 1500 $10 Generic Drugs | HMO · Gold | Preferred | Accepting new patients |
| Core Gold 1500 $10 Generic Drugs + Adult Vision & Fitness | HMO · Gold | Preferred | Accepting new patients |
| Diabetes Gold 3000 $0 Chronic Care Drugs & Services | HMO · Gold | Preferred | Accepting new patients |
| Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness | HMO · Gold | Preferred | Accepting new patients |
| Diabetes Silver 5000 $0 Chronic Care Drugs & Services | HMO · Silver | Preferred | Accepting new patients |
| Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness | HMO · Silver | Preferred | Accepting new patients |
| Gold 2000 $15 Generic Drugs | HMO · Gold | Preferred | Accepting new patients |
| Gold 2000 $15 Generic Drugs + Adult Vision & Fitness | HMO · Gold | Preferred | Accepting new patients |
| HDHP Preventive Silver 5500 $0 Chronic Care Drugs | HMO · Silver | Preferred | Accepting new patients |
| Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services | HMO · Gold | Preferred | Accepting new patients |
| Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness | HMO · Gold | Preferred | Accepting new patients |
| Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services | HMO · Silver | Preferred | Accepting new patients |
| Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness | HMO · Silver | Preferred | Accepting new patients |
| Low Premium Bronze 10600 $25 Generic Drugs | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Low Premium Silver 6200 $3 Generic Drugs | HMO · Silver | Preferred | Accepting new patients |
| Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness | HMO · Silver | Preferred | Accepting new patients |
| Silver 6000 $20 Generic Drugs | HMO · Silver | Preferred | Accepting new patients |
| Silver 6000 $20 Generic Drugs + Adult Vision & Fitness | HMO · Silver | Preferred | Accepting new patients |
Oscar Health Insurance
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Oscar Health Insurance
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic | HMO · Gold | Preferred | Accepting new patients |
| Gold Classic Standard | HMO · Gold | Preferred | Accepting new patients |
| Gold Elite Saver Plus | HMO · Gold | Preferred | Accepting new patients |
| Silver Classic Standard | HMO · Silver | Preferred | Accepting new patients |
| Silver Elite Saver Plus | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Breathe Easy with Enhanced COPD Benefits | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits | HMO · Silver | Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 16, 2026, as reported by the insurer.
Show all 17 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential ($0 Virtual Urgent Care, No Referrals) | HMO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard (No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard+ (Dental + Vision, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard (No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard+ (Dental + Vision, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard (No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard+ (Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. William A. Kay is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. William A. Kay is enrolled to bill Medicare as a Practitioner - Internal Medicine .
Bills through: Mercy Health Physicians Cincinnati Specialty Care Llc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| United Therapeutics | $100 |
| Novartis | $73 |
Other
| Food and Beverage | $174 |
Studies
INDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated in 2004Additional Specialities
- Cardiologist
- Internist
Affiliated practices
Affiliated hospitals
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Questions & Answers
Does Dr. William Aaron Kay have affiliation with practices?
Dr. William Aaron Kay is affiliated with Genesis Medical Group. For the full list of practices see this list.
Where can you meet with Dr. William Aaron Kay?
Dr. William Aaron Kay's office is located at 3000 Mack Road Suite 100 in Fairfield, OH 45014.
Does Dr. William Aaron Kay accept patients with Antidote Health Plan of Ohio, Inc.?
Yes, Dr. William Aaron Kay is listed in-network for Antidote Health Plan of Ohio, Inc. through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. William Aaron Kay treat?
Dr. William Aaron Kay provides treatment for Anemia, Bradycardia, Carotid Artery Disease, High Blood Pressure, Pericarditis, Pulmonary Hypertension (PH). For the full list see this list.
Has Dr. William Aaron Kay affiliation with hospitals?
Dr. William Aaron Kay is affiliated with FRANCISCAN ST ELIZABETH HEALTH - LAFAYETTE EAST. For the full list of hospitals see this list.