NPPES file of Aug 9, 2026

Son Nguyen Giep, MD

Internal Medicine Physician · Plano, TX

Son Nguyen Giep, MD is an internal medicine physician with a practice address in Plano, Texas, and NPI 1801839253, issued on Jun 14, 2006. Check the license (Texas L0199, 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
1801839253
Name
Son Nguyen Giep
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
L0199 TX
Self-reported in NPPES; status is on the state search
Practice location
6124 W Parker RD Ste 330, Plano, TX 75093
Phone
(972) 370-3083
Enumerated
Jun 14, 2006
Record last updated
Feb 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(214) 501-2266
Medicare enrollment
Enrolled (PECOS I20040501000093); accepts Medicare assignment
Medical or professional school
Medical University Of South Carolina College Of Medicine, 1997
Telehealth
Offers telehealth (CMS)
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 6124 W Parker RD Ste 330

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

  1. Amy Bond, FNPFamily Nurse Practitioner1144855289
  2. Kathy Johnson, P. A.Medical Physician Assistant1598790917

Verify Son Nguyen Giep in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L0199
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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20% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,535 Medicare Part D claims for 298 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. 19 claims were for opioids.

  1. Son Giep2,535
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium153 claims
  2. Amlodipine Besylate134 claims
  3. Atorvastatin Calcium133 claims
  4. Lisinopril103 claims
  5. Levothyroxine Sodium93 claims
  6. Metformin Hcl Er79 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: $722.82

40 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Son Giep$722.82
  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. Son N Giep MD PAPlano, TX

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

Son Nguyen Giep among 9,175 internal medicine physician records in Texas

Son Nguyen Giep, MD 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1997 · median 2004 among the 6,088 with a school on file
  • Record last updated2021 · 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).

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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Linda Bang, M.D.Plano, TX 750931447243688
  2. Odette Campbell, M.D.Plano, TX 750931114989092
  3. Kimberly Crawford, MDPlano, TX 750931417926783
  4. Marie Dinh, M.D.Plano, TX 750931477518769
  5. Trung Duong, M.D.Plano, TX 750931841269578
  6. Safoora Harandi, M.D.Plano, TX 750931134126691
  7. Linda Krisik, M.D.Plano, TX 750931992782338
  8. Darius Peikari, MDPlano, TX 750931275590077

Common questions

What is Son Nguyen Giep, MD's NPI number?

Son Nguyen Giep, MD's National Provider Identifier (NPI) is 1801839253, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Son Nguyen Giep, MD located?

The NPPES record lists a practice address at 6124 W Parker RD Ste 330, Plano, TX, 75093. Phone: (972) 370-3083. Providers update this record themselves, so call before visiting.

How can I verify Son Nguyen Giep, MD's license?

NPPES lists Texas license number L0199, 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 Son Nguyen Giep, MD prescribe under Medicare Part D?

In 2024, Son Nguyen Giep, MD had 2,535 Medicare Part D claims for 298 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.