Dr. John Michael Harper, MD

  • Knoxville, TN
  • Interventional cardiologist
NPI1568452167
Medicare services, 2016
972
Part D claims, 2017
12
Publications
1
Industry payments
$68
State license
1
Practice address
9330 Park West Blvd, Knoxville, TN 37923-4308
Practice phone
Call (865) 691-4850
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. John Michael Harper is an interventional cardiologist in Knoxville, Tennessee

Dr. Harper practices in Knoxville, Tennessee.

Dr. Harper's NPI, 1568452167, was assigned on October 25, 2005. Dr. Harper holds Tennessee license 35853.

NPI and contact details
NPI enumeration date
October 25, 2005
NPI status
Active
Practice phone
(865) 691-4850
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. John Michael Harper's practice address is in Knoxville, Tennessee

Dr. Harper's practice address in the NPI Registry is 9330 Park West Blvd, Knoxville, TN 37923-4308. The practice phone is (865) 691-4850.

  • NPI Registry address
    9330 Park West Blvd, Knoxville, TN 37923-4308Phone(865) 691-4850

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. John Michael Harper's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harper practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Harper's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Michael Harper is one of 212 interventional cardiologists in Tennessee

Interventional cardiology is Dr. Harper's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Harper is licensed in Tennessee.

Specialties and state licenses

  • Interventional cardiology, TennesseePrimaryLicense 35853 · taxonomy 207RI0011X

Interventional cardiologists near Dr. Harper

Counts of interventional cardiologists 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 Michael Harper billed Medicare for 972 services in 2016

CMS data shows 972 Medicare services from Dr. Harper across 12 procedure codes in 2016. Medicare paid $27,497 for them.

Medicare services, 2016972
Paid by Medicare$27,497
Procedure codes12

Dr. Harper's Medicare services by type, 2016

  1. Tests and treatments473
  2. Office and hospital visits360
  3. Lab and pathology66
  4. Imaging47
  5. Surgery26

Where Dr. Harper's Medicare services took place, 2016

  • In an office41142%
  • In a facility56158%

Dr. Harper compared with the Tennessee median for interventional cardiologists, 2016

  • Dr. Harper
  • Tennessee median
Medicare services
972vs 1,84347% below
Part D claims
12vs 2,647100% below

Medians across 212 interventional cardiologists in Tennessee with Dmand AI profiles that report each measure.

Dr. Harper's most billed Medicare procedure codes, 2016

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. Harper and other interventional cardiologists in Tennessee.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John Michael Harper's patients have a median age of 82

Across all payers, Dmand AI patient panel data puts Dr. Harper's median patient age at 82, with 50% women.

Dr. Harper's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 82

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. John Michael Harper wrote 12 Medicare Part D claims in 2017

In 2017, Dr. Harper wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $165 in total drug cost. In 2016, CMS named 1,605 claims across 41 drugs.

Part D claims, 201712
Drugs named by CMS1
Total drug cost$165

Dr. Harper's most prescribed drugs by claims, 2017

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, 2016 to 2017

  • 2016
  • 2017
Claims for drugs CMS names
2016: 1,6052017: 1299%

Drugs named by CMS: 1 in 2017, 41 in 2016.

See all prescribing by Dr. Harper

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. John Michael Harper has 1 publication on record

Dmand AI links 1 paper to Dr. Harper in 2024. Dr. Harper's most frequent co-author is Michael A. Dyer, MD.

Papers1

Dr. Harper's most frequent co-authors

Recent publications by Dr. Harper

See all 1 publications and co-authors

See who Dr. Harper researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Harper works with, so you can find a warm path to the right interventional cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. John Michael Harper received $68 in industry payments in 2016

CMS Open Payments shows 1 general payment to Dr. Harper from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $68.

Companies that paid Dr. Harper the most, 2016 to 2016

Share is of all general payments to this clinician.

See all payments to Dr. Harper

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. John Michael Harper's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Michael Harper

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 Michael Harper's NPI number?

Dr. John Michael Harper's NPI number is 1568452167. It was assigned on October 25, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. John Michael Harper?

Dr. John Michael Harper is an interventional cardiologist in Knoxville, Tennessee. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. John Michael Harper practice?

Dr. Harper practices at 9330 Park West Blvd, Knoxville, TN 37923-4308.

What is Dr. John Michael Harper's office phone number?

The practice phone on file for Dr. Harper is (865) 691-4850.

What is Dr. John Michael Harper's medical license number?

Dr. Harper holds Tennessee license 35853.

Does Dr. John Michael Harper accept Medicare?

Yes. CMS data shows Dr. Harper billed Medicare for 972 services in 2016.

What services does Dr. John Michael Harper bill to Medicare?

In 2016, Dr. Harper's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99213) and hospital inpatient care (99232).

What drugs does Dr. John Michael Harper prescribe most?

In 2017 Medicare Part D data, Dr. Harper's most prescribed drugs by claims were Atorvastatin Calcium.

Has Dr. John Michael Harper received payments from drug or device companies?

CMS Open Payments shows $68 in general payments to Dr. Harper from 1 company from 2016 to 2016. The largest total came from Abiomed.

How long has Dr. John Michael Harper been practicing?

Dr. Harper's NPI was assigned in 2005.

Does Dr. John Michael Harper do research?

Dmand AI links 1 publication to Dr. Harper.

Who does Dr. John Michael Harper publish with?

Dr. Harper's most frequent co-authors are Michael A. Dyer, MD (1 shared paper).

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