NPPES file of Aug 9, 2026

Mark E. Lanser, MD

Neurology Physician · Janesville, WI

Mark E. Lanser, MD is a neurology physician with a practice address in Janesville, Wisconsin, and NPI 1275574592, issued on Jun 9, 2006. Check the license (Wisconsin 31143-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1275574592
Name
Mark E. Lanser
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
31143-020 WI
31143-20 WI
Self-reported in NPPES; status is on the state search
Practice location
3200 E Racine St, Janesville, WI 53546
Phone
(608) 371-8000
Enumerated
Jun 9, 2006
Record last updated
May 15, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(608) 371-8943
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 3200 E Racine St

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

  1. Omar Alnaser, M.D.Pediatrics Physician1396474201
  2. Jenny Amani, M.D.Occupational Medicine Physician1629212899
  3. Molly ArttusPhysician Assistant1366233041
  4. Brittany Austin, PA-CMedical Physician Assistant1013226968
  5. Timothy Axe, DPMPodiatrist1619932621
  6. Susan Baird, DNP, APRN, FNP-BCNurse Practitioner1225305758

Verify Mark E. Lanser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 31143-020
    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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Mark E. Lanser among 399 neurology physician records in Wisconsin

Mark E. Lanser, MD 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 not. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 53% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2012 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 neurology physician records with the nearest ZIP codes

  1. Thomas Berentsen, MDJanesville, WI 535461477593036
  2. Monica Simionescu, MDJanesville, WI 535461184776403
  3. Ross Levine, MDJanesville, WI 535481639141856
  4. Mustafa Abdul Waheed Mohammed, MDJanesville, WI 535481801358064
  5. Daniel Orozco, MDJanesville, WI 535481154329399
  6. Thomas Perry, M.D.Fort Atkinson, WI 535381922280403
  7. Debasish Bhattacharyya, M.D.Darlington, WI 535301265498778
  8. M. Murphy, M.D.Middleton, WI 535621932353091

Common questions

What is Mark E. Lanser, MD's NPI number?

Mark E. Lanser, MD's National Provider Identifier (NPI) is 1275574592, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark E. Lanser, MD located?

The NPPES record lists a practice address at 3200 E Racine St, Janesville, WI, 53546. Phone: (608) 371-8000. Providers update this record themselves, so call before visiting.

How can I verify Mark E. Lanser, MD's license?

NPPES lists Wisconsin license number 31143-020, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.