NPPES file of Aug 9, 2026

Trung Cong Duong, M.D.

Internal Medicine Physician · Plano, TX

Trung Cong Duong, M.D. is an internal medicine physician with a practice address in Plano, Texas, and NPI 1841269578, issued on Mar 15, 2006. Check the license (Texas L3955, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841269578
Name
Trung Cong Duong
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
L3955 TX
023073 LA
Self-reported in NPPES; status is on the state search
Practice location
4708 Dexter Dr Ste 400, Plano, TX 75093
Phone
(972) 993-5050
Enumerated
Mar 15, 2006
Record last updated
Jul 20, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(972) 993-5051
Medicaid IDs
2024481-01 TX
202448101 TX
1494224 LA
Medicare enrollment
Enrolled (PECOS I20080610000238); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In Shreveport, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4708 Dexter Dr Ste 400

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brittany Epstein, P.A.-C.Medical Physician Assistant1679731350
  2. Jillian Fincher, FNP-BCFamily Nurse Practitioner1073145207
  3. Christina Kuo, MDInternal Medicine Physician1366650772
  4. Sarah Mastrogiovanni, D.O.Family Medicine Physician1205894623
  5. Kyle Molen, M.D.Internal Medicine Physician1275648040
  6. Aaron Samsula, M.D.Internal Medicine Physician1508971011

Verify Trung Cong Duong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L3955
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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72% more Medicare Part D claims than the average internal medicine physician in 2024

5,475 Medicare Part D claims for 269 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 255 claims were for opioids.

  1. Trung Duong5,475
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium228 claims
  2. Montelukast Sodium160 claims
  3. Hydrocodone-Acetaminophen156 claims
  4. Amlodipine Besylate155 claims
  5. Levothyroxine Sodium147 claims
  6. Tamsulosin Hcl147 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.

Industry payments in 2024: $2,118.03

114 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.

  1. Trung Duong$2,118.03
  2. Specialty average$1,303.06

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

  1. Abksw Preferred Health Partners, PLLCPlano, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

205 internal medicine physician records list a practice address in Plano

They are 205 of the 7,271 NPPES records with a practice address in Plano, and 9,175 internal medicine physician records in Texas.

Other internal medicine physician records in Texas

  1. Muhammad A. Sattar, MDDallas, TX1760465553
  2. Gayatri Aaluri, MDGalveston, TX1821928508
  3. Anunaya AashishDenton, TX1134246374
  4. Queenie Ann Abad, M.D.San Antonio, TX1174979785
  5. Fuad Abaleka, M.DLubbock, TX1861925596
  6. Carol Abalihi, M.D.El Paso, TX1326136243
  7. Oliverio Abarca Guzman, MDHarlingen, TX1346972940
  8. Obinna Abaribe, M.DMansfield, TX1457704355
  9. Enyinnaya Abarikwu, MDTyler, TX1174788178
  10. Sulaiman Abawi, D.O.Frisco, TX1780845255

Common questions

What is Trung Cong Duong, M.D.'s NPI number?

Trung Cong Duong, M.D.'s National Provider Identifier (NPI) is 1841269578, issued on Mar 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Trung Cong Duong, M.D. located?

The NPPES record lists a practice address at 4708 Dexter Dr Ste 400, Plano, TX, 75093. Phone: (972) 993-5050. Providers update this record themselves, so call before visiting.

How can I verify Trung Cong Duong, M.D.'s license?

NPPES lists Texas license number L3955, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Trung Cong Duong, M.D. prescribe under Medicare Part D?

In 2024, Trung Cong Duong, M.D. had 5,475 Medicare Part D claims for 269 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.