Thuy T. Nguyen, DO
Family Medicine Physician · South Beloit, IL
Thuy T. Nguyen, DO is a family medicine physician with a practice address in South Beloit, Illinois, and NPI 1144679085, issued on Jun 10, 2016. Check the license (Illinois 036-149506, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Thuy T. Nguyen
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036-149506 IL
125069234 IL
70633-21 WI
Self-reported in NPPES; status is on the state search - Practice location
- South Beloit Clinic- Bhs, South Beloit, IL 61080
- Phone
- (815) 389-2268
- Enumerated
- Jun 10, 2016
- Record last updated
- Jun 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (815) 525-4350
- Medicaid ID
- 100086600 WI
- Medicare enrollment
- Enrolled (PECOS I20190620002783); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Verify Thuy T. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-149506Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average family medicine physician in 2024
4,473 Medicare Part D claims for 279 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 230 claims were for opioids.
Most prescribed
- Atorvastatin Calcium255 claims
- Omeprazole183 claims
- Levothyroxine Sodium148 claims
- Jardiance128 claims
- Albuterol Sulfate Hfa120 claims
- Amlodipine Besylate110 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): 73.1 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: $628.08
38 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- Beloit Health System IncBeloit, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thuy T. Nguyen among 6,215 family medicine physician records in Illinois
Thuy T. Nguyen, DO is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 70% of them.
- NPI issued2016 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2016 · median 2006 among the 3,714 with a school on file
- Record last updated2019 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 family medicine physician records list a practice address in South Beloit
They are 2 of the 27 NPPES records with a practice address in South Beloit, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in South Beloit → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Christine Strange, DOSouth Beloit, IL 610801518459783
- Angel Blazquez, M.D.Sterling, IL 610811245280155
- Phong Dang, M.D.Sterling, IL 610811447394465
- Marcia Jones, M.D.Sterling, IL 610811114977063
- Iyad Jundi, M.D.Sterling, IL 610811518055144
- Eric Kuhns, M.D.Sterling, IL 610811699725549
- John Luckey, M.D.Sterling, IL 610811629230768
- Jason Reter, D.O.Sterling, IL 610811902856859
Common questions
What is Thuy T. Nguyen, DO's NPI number?
Thuy T. Nguyen, DO's National Provider Identifier (NPI) is 1144679085, issued on Jun 10, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Thuy T. Nguyen, DO located?
The NPPES record lists a practice address at South Beloit Clinic- Bhs, South Beloit, IL, 61080. Phone: (815) 389-2268. Providers update this record themselves, so call before visiting.
How can I verify Thuy T. Nguyen, DO's license?
NPPES lists Illinois license number 036-149506, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thuy T. Nguyen, DO prescribe under Medicare Part D?
In 2024, Thuy T. Nguyen, DO had 4,473 Medicare Part D claims for 279 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Thuy T. Nguyen, DO's MIPS final score?
The 2023 MIPS final score is 73.1 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.