NPPES file of Aug 9, 2026

Mark A. Severtson, M.D.

Otolaryngology Physician · Louisville, KY

Mark A. Severtson, M.D. is an otolaryngology physician with a practice address in Louisville, Kentucky, and NPI 1861499576, issued on Jul 7, 2005. Check the license (Kentucky 34466, as entered in NPPES) on the Kentucky Board of Medical Licensure; 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
1861499576
Name
Mark A. Severtson
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License numbers
34466 KY
01049174 IN
Self-reported in NPPES; status is on the state search
Practice location
6420 Dutchmans Pkwy, Louisville, KY 40205
Phone
(502) 894-8441
Enumerated
Jul 7, 2005
Record last updated
Oct 10, 2025
Fax
(502) 894-4453
Medicaid IDs
64344666 KY
200175990A IN
Medicare enrollment
Enrolled (PECOS I20091229000537); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 1992
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 6420 Dutchmans Pkwy

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

  1. Abdolreza Agahtehrani, M.D.Interventional Cardiology Physician1437267663
  2. Arpit Agrawal, MDCardiovascular Disease Physician1386872257
  3. Richard Allen, MDCardiovascular Disease Physician1982631487
  4. Johanna Archer, M.D.Reproductive Endocrinology Physician1295796662
  5. Kenneth Balcombe, M.D.Otolaryngology Physician1720084262
  6. Brian Beanblossom, MDCardiovascular Disease Physician1548298433

Verify Mark A. Severtson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 34466
    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 Kentucky 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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2.3 times the Medicare Part D claims of the average otolaryngology physician in 2024

1,225 Medicare Part D claims for 289 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 51 claims were for opioids.

  1. Mark Severtson1,225
  2. Specialty average541

Most prescribed

  1. Fluticasone Propionate329 claims
  2. Tobramycin-Dexamethasone324 claims
  3. Fluocinolone Acetonide Oil93 claims
  4. Tobramycin65 claims
  5. Dexamethasone Sodium Phosphate64 claims
  6. Promethazine Hcl52 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): 97.4 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.

  1. Qualityout of 100 · 30% of the final score94.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $109.69

5 payments; by number, the most common kind was food and beverage; the largest payer was Optinose US, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Severtson$109.69
  2. Specialty average$1,922.50

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Ent Care Centers PLLCCorydon, IN
  2. University OF Louisville Physicians IncLouisville, KY

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

Mark A. Severtson among 149 otolaryngology physician records in Kentucky

Mark A. Severtson, M.D. is one of 149 otolaryngology physician records with a practice address in Kentucky. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 77% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1992 · median 2004 among the 105 with a school on file
  • Record last updated2025 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Kentucky

There are 149 otolaryngology physician records in Kentucky.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Kenneth Balcombe, M.D.Louisville, KY 402051720084262
  2. Elizabeth Burckardt, MDLouisville, KY 402051588081749
  3. Marion Eyre, MDLouisville, KY 402051093763583
  4. Christopher Harryman, MDLouisville, KY 402051063049534
  5. Thomas Higgins, MDLouisville, KY 402051750543237
  6. Sean Miller, M.D.Louisville, KY 402051093978355
  7. Kenneth Silk, M.D.Louisville, KY 402051396742193
  8. Sameet Sohi, MDLouisville, KY 402051154507903

Common questions

What is Mark A. Severtson, M.D.'s NPI number?

Mark A. Severtson, M.D.'s National Provider Identifier (NPI) is 1861499576, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark A. Severtson, M.D. located?

The NPPES record lists a practice address at 6420 Dutchmans Pkwy, Louisville, KY, 40205. Phone: (502) 894-8441. Providers update this record themselves, so call before visiting.

How can I verify Mark A. Severtson, M.D.'s license?

NPPES lists Kentucky license number 34466, 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 Mark A. Severtson, M.D. prescribe under Medicare Part D?

In 2024, Mark A. Severtson, M.D. had 1,225 Medicare Part D claims for 289 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Mark A. Severtson, M.D.'s MIPS final score?

The 2023 MIPS final score is 97.4 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.