Maren Johnson, DO
Neurology Physician · Madison, WI
Maren Johnson, DO is a neurology physician with a practice address in Madison, Wisconsin, and NPI 1659066330, issued on Apr 7, 2023. Check the license (Wisconsin 100232, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Maren Johnson
- Credential
- DO
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 100232 WI
Self-reported in NPPES; status is on the state search - Practice location
- UW Hospitals & Clinics 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-6400
- Enumerated
- Apr 7, 2023
- Record last updated
- Jan 23, 2025
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 399 in Wisconsin → Look up another NPI →
Also registered at UW Hospitals & Clinics 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maren Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 100232Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average neurology physician in 2024
36 Medicare Part D claims for 16 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
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.
Maren Johnson among 399 neurology physician records in Wisconsin
Maren Johnson, DO is one of 399 neurology physician records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 95% of them.
- NPI issued2023 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Wisconsin
There are 399 neurology physician records in Wisconsin.
All 399 in Wisconsin → Every provider in Madison → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Eric Adelman, MDMadison, WI 537921801913322
- Brad Beinlich, MDMadison, WI 537921679545800
- Marcus Chacon, M.D.Madison, WI 537921609953462
- John Fleming, MDMadison, WI 537921568434777
- Catherine Gallagher, MDMadison, WI 537921891768545
- Audrey Jantzen, M.D.Madison, WI 537921497931661
- Anne Josiah, MDMadison, WI 537921326241944
- Jenny Liao, MDMadison, WI 537921851363063
Common questions
What is Maren Johnson, DO's NPI number?
Maren Johnson, DO's National Provider Identifier (NPI) is 1659066330, issued on Apr 7, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Maren Johnson, DO located?
The NPPES record lists a practice address at UW Hospitals & Clinics 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-6400. Providers update this record themselves, so call before visiting.
How can I verify Maren Johnson, DO's license?
NPPES lists Wisconsin license number 100232, 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.
How much does Maren Johnson, DO prescribe under Medicare Part D?
In 2024, Maren Johnson, DO had 36 Medicare Part D claims for 16 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
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.