William Aaron Kay, MD
Adult Congenital Heart Disease Physician · Fairfield, OH
William Aaron Kay, MD is an adult congenital heart disease physician with a practice address in Fairfield, Ohio, and NPI 1700094307, issued on May 18, 2007. Check the license (Ohio 35.087717, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- William Aaron Kay
- Credential
- MD
- Primary taxonomy
- Adult Congenital Heart Disease Physician 207RA0002X
- License numbers
- 35.087717 OH
01072677A IN
Self-reported in NPPES; status is on the state search - Practice location
- 3000 Mack RD Ste 100, Fairfield, OH 45014
- Phone
- (513) 751-4222
- Enumerated
- May 18, 2007
- Record last updated
- Nov 20, 2023
- Fax
- (513) 874-3023
- Medicaid ID
- 201157870 IN
- Medicare enrollment
- Enrolled (PECOS I20120215000621); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest adult congenital heart disease physician records → All 15 in Ohio → Look up another NPI →
Also registered at 3000 Mack RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mehran Attari, M.D.Clinical Cardiac Electrophysiology Physician1760447148
- Philip Carson, MDInterventional Cardiology Physician1952665887
- Ryan Cook, APRNFamily Nurse Practitioner1720478548
- Brian Cothern, MDCardiovascular Disease Physician1700249729
- Matthew Dupont, PA-CPhysician Assistant1982305967
- Kristin Lipsky, CNPFamily Nurse Practitioner1194364570
Verify William Aaron Kay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.087717Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.9 times the Medicare Part D claims of the average adult congenital heart disease physician in 2024
1,822 Medicare Part D claims for 317 beneficiaries, against an average of 462 among the 117 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Metoprolol Succinate229 claims
- Furosemide146 claims
- Rosuvastatin Calcium118 claims
- Atorvastatin Calcium105 claims
- Carvedilol103 claims
- Eliquis101 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $205.56
4 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 60 providers of this specialty with any payment received $1,824.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mercy Health Physicians Cincinnati Specialty Care LLCFairfield, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Aaron Kay among 15 adult congenital heart disease physician records in Ohio
William Aaron Kay, MD is one of 15 adult congenital heart disease physician records with a practice address in Ohio. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 60% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2004 · median 2006 among the 12 with a school on file
- Record last updated2023 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0002X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Congenital Heart Disease Physician providers in Ohio
There are 15 adult congenital heart disease physician records in Ohio.
All 15 in Ohio → Every provider in Fairfield → Adult Congenital Heart Disease Physician nationwide →
The 8 adult congenital heart disease physician records with the nearest ZIP codes
- Nicole Brown, MDCincinnati, OH 452291215146436
- Adam Lubert, M.D.Cincinnati, OH 452291407020761
- Alexander Opotowsky, M.D., M.P.H.Cincinnati, OH 452291720046659
- John ShaboskyCincinnati, OH 452291225561475
- Clayton Smith, M.D.Cincinnati, OH 452291891088613
- Margaret Fuchs, MDCleveland, OH 441951942599576
- Philip Barger, MDCleveland, OH 441061407936826
- Lauren Lastinger, MDColumbus, OH 432211821314709
Common questions
What is William Aaron Kay, MD's NPI number?
William Aaron Kay, MD's National Provider Identifier (NPI) is 1700094307, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Aaron Kay, MD located?
The NPPES record lists a practice address at 3000 Mack RD Ste 100, Fairfield, OH, 45014. Phone: (513) 751-4222. Providers update this record themselves, so call before visiting.
How can I verify William Aaron Kay, MD's license?
NPPES lists Ohio license number 35.087717, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Aaron Kay, MD prescribe under Medicare Part D?
In 2024, William Aaron Kay, MD had 1,822 Medicare Part D claims for 317 beneficiaries; the average among adult congenital heart disease physician prescribers was 462. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.