Sandra M. Herrmann, MD
Nephrology Physician · Rochester, MN
Sandra M. Herrmann, MD is a nephrology physician with a practice address in Rochester, Minnesota, and NPI 1790964088, issued on Nov 2, 2007. Check the license (Minnesota 51936, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Sandra M. Herrmann
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 51936 MN
Self-reported in NPPES; status is on the state search - Practice location
- 200 1St St SW, Rochester, MN 55905
- Phone
- (507) 284-2511
- Enumerated
- Nov 2, 2007
- Record last updated
- Aug 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090914000461); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 261 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.
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- Kathryn Aaro, P.T.Physical Therapist1619360666
- Danielle Aase, MDReproductive Endocrinology Physician1316524135
- Uzoamaka Abajue, PHARMDPharmacist1982335295
- Francisco Abarca Rendon, MDIndependent Medical Examiner Physician1790096246
Verify Sandra M. Herrmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 51936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average nephrology physician in 2024
52 Medicare Part D claims for 23 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone13 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).
Sandra M. Herrmann among 261 nephrology physician records in Minnesota
Sandra M. Herrmann, MD is one of 261 nephrology physician records with a practice address in Minnesota. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1997 · median 2003 among the 190 with a school on file
- Record last updated2020 · 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 207RN0300X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Minnesota
There are 261 nephrology physician records in Minnesota.
All 261 in Minnesota → Every provider in Rochester → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Robert Albright, D.O.Rochester, MN 559051417934738
- Vincent Canzanello, M.D.Rochester, MN 559051386620771
- Fernando Cosio, M.D.Rochester, MN 559051932185055
- Iasmina Craici, M.D.Rochester, MN 559051033197934
- John Dillon, M.D.Rochester, MN 559051932186996
- John Graves, M.D.Rochester, MN 559051124005392
- Marie Hogan, M.D.Rochester, MN 559051710963731
- Rajiv Kumar, M.D.Rochester, MN 559051467438200
Common questions
What is Sandra M. Herrmann, MD's NPI number?
Sandra M. Herrmann, MD's National Provider Identifier (NPI) is 1790964088, issued on Nov 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sandra M. Herrmann, MD 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 Sandra M. Herrmann, MD's license?
NPPES lists Minnesota license number 51936, 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 Sandra M. Herrmann, MD prescribe under Medicare Part D?
In 2024, Sandra M. Herrmann, MD had 52 Medicare Part D claims for 23 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.