NPPES file of Aug 9, 2026

John Michael Harper, M.D.

Interventional Cardiology Physician · Knoxville, TN

John Michael Harper, M.D. is an interventional cardiology physician with a practice address in Knoxville, Tennessee, and NPI 1568452167, issued on Oct 25, 2005. Check the license (Tennessee 35853, as entered in NPPES) on the Tennessee Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568452167
Name
John Michael Harper
Credential
M.D.
Primary taxonomy
Interventional Cardiology Physician 207RI0011X
License number
35853 TN
Self-reported in NPPES; status is on the state search
Practice location
9330 Park West Blvd, Knoxville, TN 37923
Phone
(865) 691-4850
Enumerated
Oct 25, 2005
Record last updated
Dec 9, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(865) 694-8018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest interventional cardiology physician records → All 215 in Tennessee → Look up another NPI →

Also registered at 9330 Park West Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jeffrey Albea, MDNeurological Surgery Physician1548259906
  2. Albert Blacky, M.D.Interventional Cardiology Physician1699762252
  3. Mary Brooke, RDRegistered Dietitian1831173236
  4. Ronald Bryan, M.D.Specialist1366615734
  5. Rosalind Cadigan, M.D.Obstetrics & Gynecology Physician1912906991
  6. Cindy Caplan, DPMPodiatrist1912954710

Verify John Michael Harper in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 35853    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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John Michael Harper among 215 interventional cardiology physician records in Tennessee

John Michael Harper, M.D. is one of 215 interventional cardiology physician records with a practice address in Tennessee. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 78% newer
  • In a Medicare fileNo · 95% of these records are
  • In the CMS Doctors and Clinicians fileNo · 87% of these records are
  • Record last updated2010 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Interventional Cardiology Physician providers in Tennessee

There are 215 interventional cardiology physician records in Tennessee. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 215 in Tennessee → Every provider in Knoxville → Interventional Cardiology Physician nationwide →

The 8 interventional cardiology physician records with the nearest ZIP codes

  1. Charles Allderdice, M.D.Knoxville, TN 379231104262096
  2. Albert Blacky, M.D.Knoxville, TN 379231699762252
  3. Jeremy Brooks, MDKnoxville, TN 379231861873879
  4. Stephen Marietta, M.D.Knoxville, TN 379231053301606
  5. Sara Negrotto, MDKnoxville, TN 379231932456621
  6. Kirsten Raby, MDKnoxville, TN 379231750843470
  7. Ayaz Rahman, M.D.Knoxville, TN 379231881871374
  8. Mitchell Weiss, M.D.Knoxville, TN 379231316902687

Common questions

What is John Michael Harper, M.D.'s NPI number?

John Michael Harper, M.D.'s National Provider Identifier (NPI) is 1568452167, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Michael Harper, M.D. located?

The NPPES record lists a practice address at 9330 Park West Blvd, Knoxville, TN, 37923. Phone: (865) 691-4850. Providers update this record themselves, so call before visiting.

How can I verify John Michael Harper, M.D.'s license?

NPPES lists Tennessee license number 35853, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.