Dr. John L. Murray IV, MD
- Medicare services, 2024
- 128
- Medicare patients, 2024
- 83
- Part D claims, 2024
- 51
- MIPS score, 2024
- 96
- Hospital affiliations
- 1
- Practice address
- 1924 Alcoa Highway, Knoxville, TN 37920
- Practice phone
- Call (865) 305-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Murray's professional email, personal email and mobile number
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Dr. John L. Murray IV is a cardiothoracic surgeon in Knoxville, Tennessee
Dr. Murray practices at The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical.
Dr. Murray's NPI, 1730614736, was assigned on April 27, 2017. Dr. Murray graduated from Medical University of South Carolina College of Medicine in 2017. Dr. Murray holds Tennessee license 68605.
- NPI
- 1730614736NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315301231
- NPI enumeration date
- April 27, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (865) 305-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John L. Murray IV practices at The University of Tennessee Medical Center in Knoxville, Tennessee
Dr. Murray's primary practice is The University of Tennessee Medical Center, at 1924 Alcoa Highway, Knoxville, TN 37920 in Knox County. The practice phone is (865) 305-9000.
- The University of Tennessee Medical Center1924 Alcoa Highway, Knoxville, TN 37920 · Knox CountyPhone(865) 305-9000
Source: Dmand AI Affiliation Data
Dr. John L. Murray IV is affiliated with 2 sites of care and 1 medical group
Dr. Murray's primary practice is The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical. The medical group on file is UT Internal Medicine - Pellissippi. Dmand AI also links Dr. Murray to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John L. Murray IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Murray practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The University of Tennessee Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John L. Murray IV is one of 105 cardiothoracic surgeons in Tennessee
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Murray's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Murray is licensed in Tennessee.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), TennesseePrimary
Cardiothoracic surgeons near Dr. Murray
Counts of cardiothoracic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John L. Murray IV billed Medicare for 128 services in 2024
CMS data shows 128 Medicare services from Dr. Murray across 7 procedure codes in 2024, for 83 Medicare patients. Medicare paid $37,821 for them.
Dr. Murray's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 02024: 53
- Office and hospital visits
- 2023: 162024: 49206%
- Imaging
- 2023: 02024: 26
Where Dr. Murray's Medicare services took place, 2024
- In an office3830%
- In a facility9070%
Dr. Murray compared with the Tennessee median for cardiothoracic surgeons, 2024
- Dr. Murray
- Tennessee median
- Medicare services
- 128vs 1398% below
- Medicare patients
- 83vs 11025% below
- Part D claims
- 43vs 3043% above
Medians across 92 cardiothoracic surgeons in Tennessee with Dmand AI profiles that report each measure.
Dr. Murray's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Murray and other cardiothoracic surgeons in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John L. Murray IV treated 83 Medicare patients in 2024, average age 74
CMS counts 83 Medicare patients who saw Dr. Murray in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.10, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Murray's median patient age at 70, with 35% women.
Dr. Murray's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Murray's Medicare patients by sex, 2024
- Women3137%
- Men5263%
Chronic conditions among Dr. Murray's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease73%
- Atrial fibrillation57%
- Heart failure53%
- Arthritis46%
- Chronic kidney disease41%
- Diabetes40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Murray's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women35%
- Men65%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John L. Murray IV wrote 51 Medicare Part D claims in 2024
In 2024, Dr. Murray wrote 51 Medicare Part D claims for 27 patients. 100% of them were for generic drugs. CMS names the drug for 43 of them, across 2 drugs with 11 or more claims each, at $250 in total drug cost. In 2019, CMS named 17 claims across 1 drug.
Dr. Murray's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2024
- 2019
- 2024
- Claims for drugs CMS names
- 2019: 172024: 43153%
Drugs named by CMS: 2 in 2024, 1 in 2019.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John L. Murray IV scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Murray for performance year 2024, reported through an alternative payment model (APM). Dr. Murray accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 22 procedures of coronary artery bypass graft (cabg) by Dr. Murray, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Murray's MIPS scores, performance year 2024
- 96of 100Final score
- 86.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Murray ranks in Medicare procedure volume
- Coronary artery bypass graft (CABG)
- 72nd percentile22 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. John L. Murray IV received $2,453 in industry payments from 2018 to 2025
CMS Open Payments shows 90 general payments to Dr. Murray from 27 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 99% of the total. AtriCure, Inc. paid the most, $372.
General payments to Dr. Murray by program year, 2018 to 2025
General payments to Dr. Murray by kind, 2018 to 2025
- Food and beverage$2,43399%
- Education$201%
Companies that paid Dr. Murray the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John L. Murray IV graduated from Medical University of South Carolina College of Medicine
Dr. Murray graduated from Medical University of South Carolina College of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John L. Murray IV's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John L. Murray IV
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John L. Murray IV's NPI number?
Dr. John L. Murray IV's NPI number is 1730614736. It was assigned on April 27, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. John L. Murray IV?
Dr. John L. Murray IV is a cardiothoracic surgeon in Knoxville, Tennessee. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. John L. Murray IV practice?
Dr. Murray practices at 1924 Alcoa Highway, Knoxville, TN 37920. Dr. Murray's primary practice is The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical. Dmand AI also links Dr. Murray to 1 group practice or clinic.
What is Dr. John L. Murray IV's office phone number?
The practice phone on file for Dr. Murray is (865) 305-9000.
What is Dr. John L. Murray IV's medical license number?
Dr. Murray holds Tennessee license 68605.
Which hospitals is Dr. John L. Murray IV affiliated with?
Dr. Murray practices at The University of Tennessee Medical Center in Knoxville, Tennessee.
What medical group is Dr. John L. Murray IV part of?
Dr. Murray is linked to UT Internal Medicine - Pellissippi.
Does Dr. John L. Murray IV accept Medicare?
Yes. CMS data shows Dr. Murray billed Medicare for 128 services in 2024, and Dr. Murray accepts Medicare assignment.
What is Dr. John L. Murray IV's MIPS score?
Dr. Murray's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. John L. Murray IV see?
CMS counts 83 Medicare patients who saw Dr. Murray in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. John L. Murray IV bill to Medicare?
In 2024, Dr. Murray's most billed Medicare services were ultrasound (76998), office visit, new patient (99205) and surgery: heart and blood vessels (33533).
Where did Dr. John L. Murray IV go to medical school?
Dr. Murray graduated from Medical University of South Carolina College of Medicine in 2017.
What drugs does Dr. John L. Murray IV prescribe most?
In 2024 Medicare Part D data, Dr. Murray's most prescribed drugs by claims were Mupirocin and Amiodarone HCl.
Has Dr. John L. Murray IV received payments from drug or device companies?
CMS Open Payments shows $2,453 in general payments to Dr. Murray from 27 companies from 2018 to 2025. The largest total came from AtriCure, Inc.
How long has Dr. John L. Murray IV been practicing?
Dr. Murray graduated from medical school in 2017, 9 years ago.
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