Registry data as of Aug 27, 2026

Leon Nowierski, M.D.

MOHS-Micrographic Surgery Physician · Boise, ID

Leon Nowierski, M.D. is a mohs-micrographic surgery physician with a practice address in Boise, Idaho, and NPI 1376610048, issued on Nov 29, 2006. Check the license (Idaho M4341, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1376610048
Name
Leon Nowierski
Credential
M.D.
Primary taxonomy
MOHS-Micrographic Surgery Physician 207ND0101X
License number
M4341 ID
Self-reported in NPPES; status is on the state search
Practice location
100 Warm Springs Ave, Boise, ID 83712
Phone
(208) 343-5910
Enumerated
Nov 29, 2006
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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Also registered at 100 Warm Springs Ave

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

  1. Renee Bourquard, MDSurgery Physician1790737591
  2. J. Chris Kantarian, MDSurgery Physician1699774042
  3. Benjamin Karsten, MDSurgery Physician1124227137

Verify Leon Nowierski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIdaho Board of Medicine
    Search for license M4341
    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 Idaho 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.

22% fewer Medicare Part D claims than the average mohs-micrographic surgery physician in 2024

511 Medicare Part D claims for 217 beneficiaries, against an average of 657 among the 1,022 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Leon Nowierski511
  2. Specialty average657

Most prescribed

  1. Doxycycline Hyclate149 claims
  2. Mupirocin89 claims
  3. Triamcinolone Acetonide67 claims
  4. Clobetasol Propionate44 claims
  5. Valacyclovir24 claims
  6. Desonide16 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 Medicare quality score for 2023: 0 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 score0.0
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities0 of 40 points · 15%0.0

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

One hospital or facility affiliation

  1. L William D Nowierski MD PABoise, ID

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

MOHS-Micrographic Surgery Physician providers in Idaho

There are 12 mohs-micrographic surgery physician records in Idaho.

Other mohs-micrographic surgery physician records in Idaho

  1. Peter Boothman, M.D.Meridian, ID1588018170
  2. David Griffin, MDTwin Falls, ID1528696283
  3. Gabriel Guerrero, D.O.Eagle, ID1184080210
  4. Brandon Miner, D.OIdaho Falls, ID1528279189
  5. Kurtis Reed, M.D.Twin Falls, ID1245484096
  6. Jared Scott, MDBoise, ID1992808893
  7. Lindsay Sewell, M.D.Idaho Falls, ID1346432226
  8. James Stewart, PHD, MDBoise, ID1104870567
  9. Earl Stoddard, M.D.Chubbuck, ID1760400238
  10. Ryan ThorpeMeridian, ID1568880995

Common questions

What is Leon Nowierski, M.D.'s NPI number?

Leon Nowierski, M.D.'s National Provider Identifier (NPI) is 1376610048, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leon Nowierski, M.D. located?

The NPPES record lists a practice address at 100 Warm Springs Ave, Boise, ID, 83712. Phone: (208) 343-5910. Providers update this record themselves, so call before visiting.

How can I verify Leon Nowierski, M.D.'s license?

NPPES lists Idaho license number M4341, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Leon Nowierski, M.D. prescribe under Medicare Part D?

In 2024, Leon Nowierski, M.D. had 511 Medicare Part D claims for 217 beneficiaries; the average among mohs-micrographic surgery physician prescribers was 657. Part D covers Medicare prescriptions only.

What is Leon Nowierski, M.D.'s Medicare quality score?

The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.