W R. Marsh, M.D.
Neurological Surgery Physician · Rochester, MN
W R. Marsh, M.D. is a neurological surgery physician with a practice address in Rochester, Minnesota, and NPI 1346220407, issued on Jan 17, 2006. Check the license (Minnesota 24339, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- W R. Marsh
- Credential
- M.D.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License numbers
- 24339 MN
43335 WI
Self-reported in NPPES; status is on the state search - Practice location
- 200 1St St SW, Rochester, MN 55905
- Phone
- (507) 284-2511
- Enumerated
- Jan 17, 2006
- Record last updated
- Aug 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100211000750); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1977
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 174 in Minnesota → Look up another NPI →
Also registered at 200 1St St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Aadland, M.D.Diagnostic Radiology Physician1780662783
- Christopher Aakre, MDInternal Medicine Physician1508151663
- Kathryn Aaro, P.T.Physical Therapist1619360666
- Danielle Aase, MDReproductive Endocrinology Physician1316524135
- Uzoamaka Abajue, PHARMDPharmacist1982335295
- Francisco Abarca Rendon, MDIndependent Medical Examiner Physician1790096246
Verify W R. Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 24339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average neurological surgery physician in 2024
101 Medicare Part D claims for 41 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Gabapentin25 claims
- Oxycodone Hcl21 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 one group practice
- Mayo ClinicRochester, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
W R. Marsh among 174 neurological surgery physician records in Minnesota
W R. Marsh, M.D. is one of 174 neurological surgery physician records with a practice address in Minnesota. 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 67% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1977 · median 2006 among the 112 with a school on file
- Record last updated2020 · 43% 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 Minnesota 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 Minnesota
There are 174 neurological surgery physician records in Minnesota.
All 174 in Minnesota → Every provider in Rochester → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Edward Ahn, M.D.Rochester, MN 559051932155587
- John Atkinson, M.D.Rochester, MN 559051740250752
- Michelle Clarke, M.D.Rochester, MN 559051437136355
- Dudley Davis, M.D.Rochester, MN 559051245218635
- Jeremy Fogelson, MDRochester, MN 559051871565606
- William Krauss, M.D.Rochester, MN 559051164492252
- Giuseppe Lanzino, MDRochester, MN 559051437104551
- Kendall Lee, MDRochester, MN 559051275544066
Common questions
What is W R. Marsh, M.D.'s NPI number?
W R. Marsh, M.D.'s National Provider Identifier (NPI) is 1346220407, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is W R. Marsh, M.D. located?
The NPPES record lists a practice address at 200 1St St SW, Rochester, MN, 55905. Phone: (507) 284-2511. Providers update this record themselves, so call before visiting.
How can I verify W R. Marsh, M.D.'s license?
NPPES lists Minnesota license number 24339, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does W R. Marsh, M.D. prescribe under Medicare Part D?
In 2024, W R. Marsh, M.D. had 101 Medicare Part D claims for 41 beneficiaries; 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.