NPPES file of Aug 9, 2026

Joseph Michael Gunn, M.D.

Retina Specialist (Ophthalmology) Physician · Kingsport, TN

Joseph Michael Gunn, M.D. is a retina specialist (ophthalmology) physician with a practice address in Kingsport, Tennessee, and NPI 1316943640, issued on Jun 22, 2005. Check the license (Tennessee 17159, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316943640
Name
Joseph Michael Gunn
Credential
M.D.
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License number
17159 TN
Self-reported in NPPES; status is on the state search
Practice location
2412 N John B Dennis Hwy, Kingsport, TN 37660
Phone
(423) 578-4364
Enumerated
Jun 22, 2005
Record last updated
Oct 22, 2025
Fax
(423) 578-4372
Medicaid IDs
3715424 TN
64927288 KY
89063KR NC
006310401 VA
Medicare enrollment
Enrolled (PECOS I20101027001410); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 1985
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2412 N John B Dennis Hwy

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

  1. Claxton Baer, M.D.Ophthalmology Physician1144255100
  2. David Couch, M.D.Retina Specialist (Ophthalmology) Physician1659377679
  3. Howard Cummings, M.D.Retina Specialist (Ophthalmology) Physician1669478996
  4. Mark Kleinman, M.D.Retina Specialist (Ophthalmology) Physician1063676310
  5. Cristoforo Larzo, M.D.Retina Specialist (Ophthalmology) Physician1205803285
  6. Michael Magee, M.D.Retina Specialist (Ophthalmology) Physician1134120868

Verify Joseph Michael Gunn 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 17159
    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

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5% more Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

648 Medicare Part D claims for 182 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Joseph Gunn648
  2. Specialty average620

Most prescribed

  1. Ketorolac Tromethamine304 claims
  2. Neomycin-Polymyxin-Dexameth76 claims
  3. Dorzolamide-Timolol67 claims
  4. Atropine Sulfate37 claims
  5. Promethazine Hcl37 claims
  6. Prednisolone Acetate31 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 practice group's MIPS final score for 2023 (Medicare payment program): 96.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score97.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%93.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $412.55

11 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Gunn$412.55
  2. Specialty average$7,667.49

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

  1. Southeastern Retina Associates PCAbingdon, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Retina Specialist (Ophthalmology) Physician providers in Tennessee

There are 60 retina specialist (ophthalmology) physician records in Tennessee.

Other retina specialist (ophthalmology) physician records in Tennessee

  1. Nicholas Anderson, M.D.Knoxville, TN1972509297
  2. Everton Arrindell, M.D.Nashville, TN1053350215
  3. Carl Awh, M.D.Nashville, TN1386729085
  4. Richard Breazeale, M.D.Hixson, TN1801892146
  5. Thomas Browning, M.D.Harriman, TN1467457804
  6. Brandon Busbee, M.D.Nashville, TN1609952654
  7. Steve Charles, M.D.Germantown, TN1861495780
  8. Robert Collier, MDTullahoma, TN1518952597
  9. David Couch, M.D.Kingsport, TN1659377679
  10. Jacob Cox, MD, MPHILKnoxville, TN1811387061

Common questions

What is Joseph Michael Gunn, M.D.'s NPI number?

Joseph Michael Gunn, M.D.'s National Provider Identifier (NPI) is 1316943640, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Michael Gunn, M.D. located?

The NPPES record lists a practice address at 2412 N John B Dennis Hwy, Kingsport, TN, 37660. Phone: (423) 578-4364. Providers update this record themselves, so call before visiting.

How can I verify Joseph Michael Gunn, M.D.'s license?

NPPES lists Tennessee license number 17159, 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.

How much does Joseph Michael Gunn, M.D. prescribe under Medicare Part D?

In 2024, Joseph Michael Gunn, M.D. had 648 Medicare Part D claims for 182 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.

What is Joseph Michael Gunn, M.D.'s MIPS final score?

The 2023 MIPS final score is 96.3 of 100, reported for the practice group. 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.