NPPES file of Aug 9, 2026

John J. Olson, MD

Anesthesiology Physician · Madison, WI

John J. Olson, MD is an anesthesiology physician with a practice address in Madison, Wisconsin, and NPI 1457350944, issued on Jul 18, 2005. Check the license (Wisconsin 42390, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1457350944
Name
John J. Olson
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
42390 WI
Self-reported in NPPES; status is on the state search
Practice location
202 S Park St, Madison, WI 53715
Phone
(608) 267-6676
Enumerated
Jul 18, 2005
Record last updated
Apr 5, 2021 (not updated in 5 years: call before relying on the address or phone)
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 202 S Park St

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

  1. Jacquelyn Adams, M.D.Maternal & Fetal Medicine Physician1811330376
  2. Lynsi Albright, PTAPhysical Therapy Assistant1225380645
  3. Ibrahim Ali, MDInternal Medicine Physician1588292023
  4. William Alward, MDPulmonary Disease Physician1609880939
  5. Iliya Amaza, M.D.Pulmonary Disease Physician1205242732
  6. Jose Anaya, M.D.Internal Medicine Physician1679717680

Verify John J. Olson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 42390
    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 Wisconsin license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 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 score76.4
  2. Costout of 100 · 30%50.3
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

John J. Olson among 1,313 anesthesiology physician records in Wisconsin

John J. Olson, MD is one of 1,313 anesthesiology physician records with a practice address in Wisconsin. 72% 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, 80% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

280 anesthesiology physician records list a practice address in Madison

They are 280 of the 15,014 NPPES records with a practice address in Madison, and 1,313 anesthesiology physician records in Wisconsin.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Christine Biedermann, MDMadison, WI 537151487652517
  2. Jill Cardwell, MDMadison, WI 537151518966068
  3. Barbara Caropreso, MDMadison, WI 537151013917509
  4. James Garnett, MDMadison, WI 537151851391585
  5. Girish Kumar, MDMadison, WI 537151730189390
  6. Steven Lagman, M.D.Madison, WI 537151720085764
  7. Daniel Masliah, MDMadison, WI 537151144229204
  8. Eugene Miller, MDMadison, WI 537151811997554

Common questions

What is John J. Olson, MD's NPI number?

John J. Olson, MD's National Provider Identifier (NPI) is 1457350944, issued on Jul 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John J. Olson, MD located?

The NPPES record lists a practice address at 202 S Park St, Madison, WI, 53715. Phone: (608) 267-6676. Providers update this record themselves, so call before visiting.

How can I verify John J. Olson, MD's license?

NPPES lists Wisconsin license number 42390, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is John J. Olson, MD's MIPS final score?

The 2023 MIPS final score is 82.4 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.