Mark K. Stevens, MD
Neurological Surgery Physician · La Crosse, WI
Mark K. Stevens, MD is a neurological surgery physician with a practice address in La Crosse, Wisconsin, and NPI 1568443661, issued on Nov 7, 2005. Check the license (Wisconsin 35110, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark K. Stevens
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 35110 WI
Self-reported in NPPES; status is on the state search - Practice location
- 800 West Ave S, La Crosse, WI 54601
- Phone
- (608) 791-9831
- Enumerated
- Nov 7, 2005
- Record last updated
- Jan 29, 2024
- Fax
- (608) 791-9814
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 176 in Wisconsin → Look up another NPI →
Also registered at 800 West Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stephanie Andersen, OTROccupational Therapist1386773125
- Daniel Anderson, D.O.Neurology Physician1770996340
- Nitika Arora, M.D.Ophthalmology Physician1629419031
Verify Mark K. Stevens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 35110Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average neurological surgery physician in 2024
12 Medicare Part D claims, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Cromolyn Sodium12 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.
Mark K. Stevens among 176 neurological surgery physician records in Wisconsin
Mark K. Stevens, MD is one of 176 neurological surgery physician records with a practice address in Wisconsin. 74% 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, 93% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2024 · 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 207T00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Wisconsin
There are 176 neurological surgery physician records in Wisconsin.
All 176 in Wisconsin → Every provider in La Crosse → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Jerry Davis, MDLa Crosse, WI 546011760487573
- Michael Ebersold, MDLa Crosse, WI 546011093770752
- Walter Faillace, MDLa Crosse, WI 546011144225103
- Edward Hames, MDLa Crosse, WI 546011851309637
- Douglas Hughes, M.D.La Crosse, WI 546011811019409
- Hsu-Hsien Lwu, MD, FRCSCLa Crosse, WI 546011922422518
- John Styliaras, MDLa Crosse, WI 546011871720201
- Humbert Sullivan, MDLa Crosse, WI 546011124022926
Common questions
What is Mark K. Stevens, MD's NPI number?
Mark K. Stevens, MD's National Provider Identifier (NPI) is 1568443661, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark K. Stevens, MD located?
The NPPES record lists a practice address at 800 West Ave S, La Crosse, WI, 54601. Phone: (608) 791-9831. Providers update this record themselves, so call before visiting.
How can I verify Mark K. Stevens, MD's license?
NPPES lists Wisconsin license number 35110, 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 Mark K. Stevens, MD prescribe under Medicare Part D?
In 2024, Mark K. Stevens, MD had 12 Medicare Part D claims; the average among neurological surgery physician prescribers was 172. 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.