Catherine Quynh-Nhu Nguyen, D.O.
Internal Medicine Physician · St Louis Park, MN
Catherine Quynh-Nhu Nguyen, D.O. is an internal medicine physician with a practice address in St Louis Park, Minnesota, and NPI 1952357857, issued on May 25, 2006. Check the license (Minnesota 48181, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Catherine Quynh-Nhu Nguyen
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 48181 MN
Self-reported in NPPES; status is on the state search - Practice location
- 6500 Exceisor Blvd, St Louis Park, MN 55426
- Phone
- (952) 993-5911
- Enumerated
- May 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070920000644); accepts Medicare assignment
- Medical or professional school
- Kansas City College Of Medicine And Surgery, 2003
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,632 in Minnesota → Look up another NPI →
Verify Catherine Quynh-Nhu Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 48181Check 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
209 Medicare Part D claims for 69 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Eliquis16 claims
- Furosemide11 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
- Park Nicollet ClinicBloomington, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Quynh-Nhu Nguyen among 2,632 internal medicine physician records in Minnesota
Catherine Quynh-Nhu Nguyen, D.O. 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2003 · median 2008 among the 1,700 with a school on file
- Record last updated2007 · 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).
77 internal medicine physician records list a practice address in St Louis Park
They are 77 of the 3,089 NPPES records with a practice address in St Louis Park, and 2,632 internal medicine physician records in Minnesota.
All 2,632 in Minnesota → Every provider in St Louis Park → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Abelson, MDSt Louis Park, MN 554261124002514
- Roderick Adams, MDSt Louis Park, MN 554261659345619
- Tommy Cho, MDSt Louis Park, MN 554261457326043
- Joseph Frisch, MDSt Louis Park, MN 554261992758338
- Peter Gjevre, MDSt Louis Park, MN 554261790750370
- Janet Grayson, MDSt Louis Park, MN 554261003892456
- Bethany Grommesh, MDSt Louis Park, MN 554261225090905
- Joanna Kokoszka, M.D.St Louis Park, MN 554261851376495
Common questions
What is Catherine Quynh-Nhu Nguyen, D.O.'s NPI number?
Catherine Quynh-Nhu Nguyen, D.O.'s National Provider Identifier (NPI) is 1952357857, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Quynh-Nhu Nguyen, D.O. located?
The NPPES record lists a practice address at 6500 Exceisor Blvd, St Louis Park, MN, 55426. Phone: (952) 993-5911. Providers update this record themselves, so call before visiting.
How can I verify Catherine Quynh-Nhu Nguyen, D.O.'s license?
NPPES lists Minnesota license number 48181, 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 Catherine Quynh-Nhu Nguyen, D.O. prescribe under Medicare Part D?
In 2024, Catherine Quynh-Nhu Nguyen, D.O. had 209 Medicare Part D claims for 69 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.