Mark James Ringstrom, M.D.
Otolaryngology Physician · La Crosse, WI
Mark James Ringstrom, M.D. is an otolaryngology physician with a practice address in La Crosse, Wisconsin, and NPI 1134486756, issued on Apr 19, 2012. Check the license (Wisconsin 66936, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark James Ringstrom
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- 66936 WI
MD44414 IA
R3537 KY
Self-reported in NPPES; status is on the state search - Practice location
- 1836 South Ave, La Crosse, WI 54601
- Phone
- (608) 782-7300
- Enumerated
- Apr 19, 2012
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20240913000842); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 231 in Wisconsin → Look up another NPI →
Also registered at 1836 South Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Grace AbichtCertified Registered Nurse Anesthetist1003651555
- Paul Abicht, CRNACertified Registered Nurse Anesthetist1528061843
- Mateen Abidi, M.DCardiovascular Disease Physician1730333980
Verify Mark James Ringstrom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 66936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average otolaryngology physician in 2024
471 Medicare Part D claims for 179 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 17 claims were for opioids.
Most prescribed
- Ipratropium Bromide49 claims
- Ciprofloxacin-Dexamethasone41 claims
- Fluticasone Propionate40 claims
- Prednisone32 claims
- Ciprofloxacin Hcl23 claims
- Ofloxacin22 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.
Bills Medicare through 2 group practices
- Gundersen Lutheran Medical Center IncWinona, MN
- Gundersen Regional Clinics, LLCDecorah, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark James Ringstrom among 231 otolaryngology physician records in Wisconsin
Mark James Ringstrom, M.D. is one of 231 otolaryngology physician records with a practice address in Wisconsin. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 70% of them.
- NPI issued2012 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2012 · median 2004 among the 147 with a school on file
- Record last updated2022 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Wisconsin
There are 231 otolaryngology physician records in Wisconsin.
All 231 in Wisconsin → Every provider in La Crosse → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Scott Blanke, MDLa Crosse, WI 546011013907526
- Thomas Gessert, M.D.La Crosse, WI 546011518311752
- Chelsea Kruse, MDLa Crosse, WI 546011033775606
- Luke Peterson, M.D.La Crosse, WI 546011467689109
- Michael Redman, MDLa Crosse, WI 546011386648665
- Courtney Tipton, MDLa Crosse, WI 546011336630268
- David Valencia, M.D.La Crosse, WI 546011841482866
- Quintin CappelleOnalaska, WI 546501023307170
Common questions
What is Mark James Ringstrom, M.D.'s NPI number?
Mark James Ringstrom, M.D.'s National Provider Identifier (NPI) is 1134486756, issued on Apr 19, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Mark James Ringstrom, M.D. located?
The NPPES record lists a practice address at 1836 South Ave, La Crosse, WI, 54601. Phone: (608) 782-7300. Providers update this record themselves, so call before visiting.
How can I verify Mark James Ringstrom, M.D.'s license?
NPPES lists Wisconsin license number 66936, 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 James Ringstrom, M.D. prescribe under Medicare Part D?
In 2024, Mark James Ringstrom, M.D. had 471 Medicare Part D claims for 179 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.