Jonathan Ray, M.D.
Hospitalist Physician · Louisville, KY
Jonathan Ray, M.D. is a hospitalist physician with a practice address in Louisville, Kentucky, and NPI 1942269113, issued on Mar 17, 2006. Check the license (Kentucky 38020, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Jonathan Ray
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 38020 KY
Self-reported in NPPES; status is on the state search - Practice location
- 4000 Kresge Way, Louisville, KY 40207
- Phone
- (502) 895-8911
- Enumerated
- Mar 17, 2006
- Record last updated
- Dec 17, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (502) 895-8977
- Medicaid ID
- 64070618 KY
- Medicare enrollment
- Enrolled (PECOS I20070830000200); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 302 in Kentucky → Look up another NPI →
Also registered at 4000 Kresge Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sherry Baker-Barrineau, CRNACertified Registered Nurse Anesthetist1477799575
- David Biddle, MDEmergency Medicine Physician1538263017
Verify Jonathan Ray in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 38020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average hospitalist physician in 2024
445 Medicare Part D claims for 223 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Prednisone37 claims
- Cefdinir34 claims
- Furosemide22 claims
- Amoxicillin-Clavulanate Potass20 claims
- Hydrocodone-Acetaminophen20 claims
- Pantoprazole Sodium15 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.
The MIPS final score for 2023 (Medicare payment program): 95.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $212.11
9 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 7,324 providers of this specialty with any payment received $494.84 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
- Louisville Hospitalist Associates PLLCLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Ray among 302 hospitalist physician records in Kentucky
Jonathan Ray, M.D. is one of 302 hospitalist physician records with a practice address in Kentucky. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 80% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2000 · median 2011 among the 248 with a school on file
- Record last updated2014 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Kentucky
There are 302 hospitalist physician records in Kentucky.
All 302 in Kentucky → Every provider in Louisville → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- John Benton, MDLouisville, KY 402071477545754
- Emmett Broaddus, M.D.Louisville, KY 402071760451314
- Paula Bruggensmith, M.D.Louisville, KY 402071659343929
- Stephen Edling, M.D.Louisville, KY 402071255300828
- Matthew Marshbanks, M.D.Louisville, KY 402071487783155
- Troy Masden, MDLouisville, KY 402071962674531
- Minh Nguyen, M.D.Louisville, KY 402071790744944
- Stephen Richards, M.D,Louisville, KY 402071871882811
Common questions
What is Jonathan Ray, M.D.'s NPI number?
Jonathan Ray, M.D.'s National Provider Identifier (NPI) is 1942269113, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Ray, M.D. located?
The NPPES record lists a practice address at 4000 Kresge Way, Louisville, KY, 40207. Phone: (502) 895-8911. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Ray, M.D.'s license?
NPPES lists Kentucky license number 38020, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathan Ray, M.D. prescribe under Medicare Part D?
In 2024, Jonathan Ray, M.D. had 445 Medicare Part D claims for 223 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Jonathan Ray, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.