Phong Hoai Nguyen, M.D.
Internal Medicine Physician · Houston, TX
Phong Hoai Nguyen, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1952345506, issued on Jun 15, 2006. Check the license (Texas K5362, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Phong Hoai Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- K5362 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2430 North Fry Road, Houston, TX 77084
- Phone
- (281) 829-3999
- Enumerated
- Jun 15, 2006
- Record last updated
- May 26, 2022
- Fax
- (281) 829-5146
- Medicaid IDs
- 038316801 TX
038316803 TX - Medicare enrollment
- Enrolled (PECOS I20061023000211); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 1997
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Phong Hoai Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K5362Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average internal medicine physician in 2024
10,410 Medicare Part D claims for 602 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 69 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium699 claims
- Atorvastatin Calcium496 claims
- Losartan Potassium351 claims
- Levocetirizine Dihydrochloride271 claims
- Levothyroxine Sodium271 claims
- Amlodipine Besylate259 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: $1,672.97
80 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.
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
- Westlake Medical Services LllpHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phong Hoai Nguyen among 9,175 internal medicine physician records in Texas
Phong Hoai 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 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 updated2022 · 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).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Syed Abrar, M.D.Houston, TX 770841912178039
- Adil Asaduddin, MDHouston, TX 770841538199708
- Amito Chandiwal, MDHouston, TX 770841295978393
- Bhakti Gidvani, M.D.Houston, TX 770841043293616
- Marsha Hughart, M.D.Houston, TX 770841306829106
- Amber Khan, M.DHouston, TX 770841811108475
- Mubarak Khawaja, M.D.Houston, TX 770841548285406
- Asim Khawaja, M.D.Houston, TX 770841952665234
Common questions
What is Phong Hoai Nguyen, M.D.'s NPI number?
Phong Hoai Nguyen, M.D.'s National Provider Identifier (NPI) is 1952345506, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Phong Hoai Nguyen, M.D. located?
The NPPES record lists a practice address at 2430 North Fry Road, Houston, TX, 77084. Phone: (281) 829-3999. Providers update this record themselves, so call before visiting.
How can I verify Phong Hoai Nguyen, M.D.'s license?
NPPES lists Texas license number K5362, 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 Phong Hoai Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Phong Hoai Nguyen, M.D. had 10,410 Medicare Part D claims for 602 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.