Ken T. Nguyen, M.D.
Internal Medicine Physician · Lake Charles, LA
Ken T. Nguyen, M.D. is an internal medicine physician with a practice address in Lake Charles, Louisiana, and NPI 1922209055, issued on May 29, 2007. Check the license (Louisiana MD.202580, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ken T. Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD.202580 LA
Self-reported in NPPES; status is on the state search - Practice location
- 4200 Nelson RD, Lake Charles, LA 70605
- Phone
- (337) 475-4748
- Enumerated
- May 29, 2007
- Record last updated
- Jun 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (337) 944-4421
- Medicare enrollment
- Enrolled (PECOS I20081224000122); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 4200 Nelson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Deidre Ardoin, PT, MSPTPhysical Therapist1255517736
- Christine Bergeron, APRN,NNP-BCCritical Care Neonatal Nurse Practitioner1831403799
- Courtney Chapman, APRNCritical Care Neonatal Nurse Practitioner1558944793
- Amber Cockburn, MDAnatomic Pathology & Clinical Pathology Physician1720246168
- Anissa Disnuke, MSN, APRN, FNP-CNurse Practitioner1730979584
Verify Ken T. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.202580Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
356 Medicare Part D claims for 125 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 47 claims were for opioids.
Most prescribed
- Ondansetron Odt38 claims
- Oxycodone-Acetaminophen27 claims
- Metoclopramide Hcl23 claims
- Pantoprazole Sodium15 claims
- Cefdinir14 claims
- Albuterol Sulfate Hfa12 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 MIPS final score for 2023 (Medicare payment program): 30 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Kndl PartnersLake Charles, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ken T. Nguyen among 1,749 internal medicine physician records in Louisiana
Ken T. Nguyen, M.D. is one of 1,749 internal medicine physician records with a practice address in Louisiana. 85% 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 42% of them.
- NPI issued2007 · 42% of these records are older, 50% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2004 · median 2008 among the 1,216 with a school on file
- Record last updated2021 · 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 internal medicine physician records list a practice address in Lake Charles
They are 53 of the 2,791 NPPES records with a practice address in Lake Charles, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Lake Charles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Craig Broussard, MDLake Charles, LA 706051609838861
- Brian Clements, M.D.Lake Charles, LA 706051346329778
- Taylor Clements, MDLake Charles, LA 706051275037905
- Amber Dawson, MDLake Charles, LA 706051689018665
- Hilma Green, M.D.Lake Charles, LA 706051164629754
- Craig Greenman, MDLake Charles, LA 706051982960373
- Edward Hebert, M.D.Lake Charles, LA 706051982783312
- Susan Ieyoub, MDLake Charles, LA 706051255404521
Common questions
What is Ken T. Nguyen, M.D.'s NPI number?
Ken T. Nguyen, M.D.'s National Provider Identifier (NPI) is 1922209055, issued on May 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ken T. Nguyen, M.D. located?
The NPPES record lists a practice address at 4200 Nelson RD, Lake Charles, LA, 70605. Phone: (337) 475-4748. Providers update this record themselves, so call before visiting.
How can I verify Ken T. Nguyen, M.D.'s license?
NPPES lists Louisiana license number MD.202580, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ken T. Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Ken T. Nguyen, M.D. had 356 Medicare Part D claims for 125 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Ken T. Nguyen, M.D.'s MIPS final score?
The 2023 MIPS final score is 30 of 100. 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.