NPPES file of Aug 9, 2026

Giang Tuong Nguyen, M.D.

Internal Medicine Physician · Pampa, TX

Giang Tuong Nguyen, M.D. is an internal medicine physician with a practice address in Pampa, Texas, and NPI 1457349839, issued on Oct 11, 2005. Check the license (Texas L4194, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457349839
Name
Giang Tuong Nguyen
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
L4194 TX
MED-PHYSCOMLIC166141 MT
Self-reported in NPPES; status is on the state search
Practice location
2218 N Hobart St, Pampa, TX 79065
Phone
(806) 440-1262
Enumerated
Oct 11, 2005
Record last updated
Apr 6, 2026
Medicaid ID
153040401 TX
Medicare enrollment
Enrolled (PECOS I20220228001991); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 1998
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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Verify Giang Tuong Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L4194
    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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81% fewer Medicare Part D claims than the average internal medicine physician in 2024

600 Medicare Part D claims for 179 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 26 claims were for opioids.

  1. Giang Nguyen600
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate35 claims
  2. Furosemide32 claims
  3. Carvedilol24 claims
  4. Eliquis22 claims
  5. Rosuvastatin Calcium21 claims
  6. Isosorbide Mononitrate Er19 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): 91.2 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.

  1. Qualityout of 100 · 30% of the final score79.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

3 hospitals and group practices

  1. Northeastern Health SystemTahlequah, OK · Acute Care Hospitals2 of 5 stars
  2. Comprehensive Hospitalist Services OF Texas PLLCCorsicana, TX
  3. Concord Medical Group PLLCEastland, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Giang Tuong Nguyen among 9,175 internal medicine physician records in Texas

Giang Tuong Nguyen, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1998 · median 2004 among the 6,088 with a school on file
  • Record last updated2026 · 49% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 internal medicine physician records list a practice address in Pampa

They are 5 of the 134 NPPES records with a practice address in Pampa, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Luke Hinshaw, MDPampa, TX 790651720074859
  2. Nirmala Kamnani, M.D.Pampa, TX 790651801861117
  3. Ralf Lukner, MD, PHDPampa, TX 790651053607507
  4. Kevin Sieck, MDPampa, TX 790651639190770
  5. Sergio Lara, MDPlainview, TX 790721578639621
  6. Comlavi Tossou, MDPlainview, TX 790721144533803
  7. Cindy Tran, D.OPlainview, TX 790721275066250
  8. Bethany Pickard, M.D.Wellington, TX 790951023404043

Common questions

What is Giang Tuong Nguyen, M.D.'s NPI number?

Giang Tuong Nguyen, M.D.'s National Provider Identifier (NPI) is 1457349839, issued on Oct 11, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Giang Tuong Nguyen, M.D. located?

The NPPES record lists a practice address at 2218 N Hobart St, Pampa, TX, 79065. Phone: (806) 440-1262. Providers update this record themselves, so call before visiting.

How can I verify Giang Tuong Nguyen, M.D.'s license?

NPPES lists Texas license number L4194, 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 Giang Tuong Nguyen, M.D. prescribe under Medicare Part D?

In 2024, Giang Tuong Nguyen, M.D. had 600 Medicare Part D claims for 179 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Giang Tuong Nguyen, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.2 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.