Hiep Hai Nguyen
Internal Medicine Physician · Cypress, TX
Hiep Hai Nguyen is an internal medicine physician with a practice address in Cypress, Texas, and NPI 1689367062, issued on May 31, 2023. Check the license (Texas BP10083699, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Hiep Hai Nguyen
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- BP10083699 TX
Self-reported in NPPES; status is on the state search - Practice location
- 18107 Rustic Brook CT, Cypress, TX 77429
- Phone
- (832) 794-3497
- Enumerated
- May 31, 2023
- Record last updated
- May 31, 2023
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Hiep Hai Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license BP10083699Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
76 Medicare Part D claims for 32 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.
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: $16.57
1 payment: food and beverage; the largest payer was Becton, Dickinson and Company. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Hiep Hai Nguyen among 9,175 internal medicine physician records in Texas
Hiep Hai Nguyen 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 2023, is newer than 95% of them.
- NPI issued2023 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2023 · 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).
39 internal medicine physician records list a practice address in Cypress
They are 39 of the 2,457 NPPES records with a practice address in Cypress, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Cypress → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lisa Chan, M.D.Cypress, TX 774291992860829
- Kelly Englund, MDCypress, TX 774291144251406
- Sanjay Jaswani, M.D.Cypress, TX 774291548418288
- Marilyn Mayer, MDCypress, TX 774291205818853
- Bijoy Mukherjee, DOCypress, TX 774291538450879
- Harcharan Narang, M.D.Cypress, TX 774291144212978
- Thuan Nguyen, M.D.Cypress, TX 774291841206703
- Gabriela Nicola, M.D.Cypress, TX 774291164674628
Common questions
What is Hiep Hai Nguyen's NPI number?
Hiep Hai Nguyen's National Provider Identifier (NPI) is 1689367062, issued on May 31, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Hiep Hai Nguyen located?
The NPPES record lists a practice address at 18107 Rustic Brook CT, Cypress, TX, 77429. Phone: (832) 794-3497. Providers update this record themselves, so call before visiting.
How can I verify Hiep Hai Nguyen's license?
NPPES lists Texas license number BP10083699, 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 Hiep Hai Nguyen prescribe under Medicare Part D?
In 2024, Hiep Hai Nguyen had 76 Medicare Part D claims for 32 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.