Quy Thi Nguyen, DO
Internal Medicine Physician · Louisville, KY
Quy Thi Nguyen, DO is an internal medicine physician with a practice address in Louisville, Kentucky, and NPI 1871885194, issued on May 4, 2011. Check the license (Kentucky 04195, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Quy Thi Nguyen
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 04195 KY
0102203348 VA
OP60984385 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1850 Bluegrass Ave, Louisville, KY 40215
- Phone
- (502) 367-3360
- Enumerated
- May 4, 2011
- Record last updated
- Jun 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (502) 367-3365
- Medicare enrollment
- Enrolled (PECOS I20241019000312); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,526 in Kentucky → Look up another NPI →
Also registered at 1850 Bluegrass Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Scott Babin, M.D.Diagnostic Radiology Physician1033147491
- Jessica BairdPsychiatric/Mental Health Nurse Practitioner1457681330
- Margie Baker, ARNPNurse Practitioner1861506040
- Nevin Baker, CRNACertified Registered Nurse Anesthetist1669418497
- Ajmal Bangash, MDNeurology Physician1669409702
Verify Quy Thi Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 04195Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
430 Medicare Part D claims for 147 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 25 claims were for opioids.
Most prescribed
- Eliquis23 claims
- Levothyroxine Sodium18 claims
- Pantoprazole Sodium17 claims
- Tamsulosin Hcl17 claims
- Atorvastatin Calcium15 claims
- Cephalexin13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $66.00
3 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Hospital Physician Services - Southeast Professional CorporationSnellville, GA
- Providence Health And Services OregonPortland, OR
- University OF Louisville Physicians IncLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Quy Thi Nguyen among 1,526 internal medicine physician records in Kentucky
Quy Thi Nguyen, DO is one of 1,526 internal medicine physician records with a practice address in Kentucky. 84% 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 64% of them.
- NPI issued2011 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2011 · median 2006 among the 1,025 with a school on file
- Record last updated2020 · 56% 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 Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
457 internal medicine physician records list a practice address in Louisville
They are 457 of the 21,891 NPPES records with a practice address in Louisville, and 1,526 internal medicine physician records in Kentucky.
All 1,526 in Kentucky → Every provider in Louisville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Voltaire Briones, M.D.Louisville, KY 402151952341588
- Valerie Briones-Pryor, M.D.Louisville, KY 402151437102340
- James Dienes, M.D.Louisville, KY 402151689611600
- James Fitzpatrick, M.D.Louisville, KY 402151710924725
- Ravi Gill, MDLouisville, KY 402151285633586
- Akasha Haq, MDLouisville, KY 402151730252453
- Warren Kemper, M DLouisville, KY 402151770595035
- Ann Lombardi, M.D.Louisville, KY 402151124072657
Common questions
What is Quy Thi Nguyen, DO's NPI number?
Quy Thi Nguyen, DO's National Provider Identifier (NPI) is 1871885194, issued on May 4, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Quy Thi Nguyen, DO located?
The NPPES record lists a practice address at 1850 Bluegrass Ave, Louisville, KY, 40215. Phone: (502) 367-3360. Providers update this record themselves, so call before visiting.
How can I verify Quy Thi Nguyen, DO's license?
NPPES lists Kentucky license number 04195, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Quy Thi Nguyen, DO prescribe under Medicare Part D?
In 2024, Quy Thi Nguyen, DO had 430 Medicare Part D claims for 147 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Quy Thi Nguyen, DO's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.