Doris Nguyen, MD
Internal Medicine Physician · Rochester, MN
Doris Nguyen, MD is an internal medicine physician with a practice address in Rochester, Minnesota, and NPI 1083909220, issued on Jun 16, 2011. Check the license (Minnesota 55397, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Doris Nguyen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 55397 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
- Jun 16, 2011
- Record last updated
- Oct 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190502000726); accepts Medicare assignment
- Medical or professional school
- Mayo Medical School, 2011
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,632 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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Verify Doris Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 55397Check 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 internal medicine physician in 2024
216 Medicare Part D claims for 92 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone12 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.
2 hospitals and group practices
- Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars
- Hospitalist Medicine Physicians OF Ohio, Professional CorporationAkron, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Doris Nguyen among 2,632 internal medicine physician records in Minnesota
Doris Nguyen, MD is one of 2,632 internal medicine 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 2011, is newer than 59% of them.
- NPI issued2011 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2011 · median 2008 among the 1,700 with a school on file
- Record last updated2012 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
545 internal medicine physician records list a practice address in Rochester
They are 545 of the 12,854 NPPES records with a practice address in Rochester, and 2,632 internal medicine physician records in Minnesota.
All 2,632 in Minnesota → Every provider in Rochester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shari Bornstein, MDRochester, MN 559051679556005
- David Cook, M.D.Rochester, MN 559051891772554
- John Davidson, M.D.Rochester, MN 559051609852698
- Brian Dougan, M.D.Rochester, MN 559051942204383
- Eduardo Duenas-Barajas, M.D.Rochester, MN 559051235116914
- Murali Duggirala, M.D.Rochester, MN 559051740267418
- Amit Ghosh, M.D.Rochester, MN 559051093791253
- Donald Hensrud, M.D.Rochester, MN 559051467438473
Common questions
What is Doris Nguyen, MD's NPI number?
Doris Nguyen, MD's National Provider Identifier (NPI) is 1083909220, issued on Jun 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Doris Nguyen, 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 Doris Nguyen, MD's license?
NPPES lists Minnesota license number 55397, 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 Doris Nguyen, MD prescribe under Medicare Part D?
In 2024, Doris Nguyen, MD had 216 Medicare Part D claims for 92 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.