Tatsuya Oishi, M.D.
Neurology Physician · Rochester, MN
Tatsuya Oishi, M.D. is a neurology physician with a practice address in Rochester, Minnesota, and NPI 1447645668, issued on Apr 3, 2015. Check the license (Minnesota 60850, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Tatsuya Oishi
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- 60850 MN
125066474 IL
Self-reported in NPPES; status is on the state search - Practice location
- 200 1St St SW, Rochester, MN 55905
- Phone
- (507) 284-2511
- Enumerated
- Apr 3, 2015
- Record last updated
- Feb 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160726000362); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 609 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 Tatsuya Oishi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 60850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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).
Tatsuya Oishi among 609 neurology physician records in Minnesota
Tatsuya Oishi, M.D. is one of 609 neurology physician records with a practice address in Minnesota. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 68% of them.
- NPI issued2015 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2015 · median 2009 among the 404 with a school on file
- Record last updated2021 · 50% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
287 neurology physician records list a practice address in Rochester
They are 287 of the 12,854 NPPES records with a practice address in Rochester, and 609 neurology physician records in Minnesota.
All 609 in Minnesota → Every provider in Rochester → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Andrea Adams, M.D.Rochester, MN 559051629053772
- John AhlskogRochester, MN 559051386629335
- Allen Aksamit, M.D.Rochester, MN 559051720063878
- Bradley Boeve, M.D.Rochester, MN 559051053397216
- James Bower, M.D.Rochester, MN 559051730166513
- Jeffrey Britton, M.D.Rochester, MN 559051710963921
- Terrence Cascino, M.D.Rochester, MN 559051720065568
- Daniel Drubach, M.D.Rochester, MN 559051063498806
Common questions
What is Tatsuya Oishi, M.D.'s NPI number?
Tatsuya Oishi, M.D.'s National Provider Identifier (NPI) is 1447645668, issued on Apr 3, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Tatsuya Oishi, 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 Tatsuya Oishi, M.D.'s license?
NPPES lists Minnesota license number 60850, 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.
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.