NPPES file of Aug 9, 2026

Ryan Trong Nguyen, DO

Cardiovascular Disease Physician · Houston, TX

Ryan Trong Nguyen, DO is a cardiovascular disease physician with a practice address in Houston, Texas, and NPI 1881222594, issued on Mar 29, 2020. Check the license (Texas V3656, 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
1881222594
Name
Ryan Trong Nguyen
Credential
DO
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
V3656 TX
Self-reported in NPPES; status is on the state search
Practice location
4101 Greenbriar Dr Ste 100, Houston, TX 77098
Phone
(713) 797-0200
Enumerated
Mar 29, 2020
Record last updated
Aug 5, 2026
Fax
(713) 797-0200
Medicare enrollment
Enrolled (PECOS I20260325001421); accepts Medicare assignment
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 4101 Greenbriar Dr Ste 100

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

  1. Jenny Fleeks, PHYSICAL THERAPISTPhysical Therapist1477062735
  2. Kenneth Hoang, MDCardiovascular Disease Physician1972090017

Verify Ryan Trong Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license V3656
    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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100% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

11 Medicare Part D claims, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.

  1. Ryan Nguyen11
  2. Specialty average3,078

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: $1,364.76

33 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ryan Nguyen$1,364.76
  2. Specialty average$3,819.56

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. Houston Methodist Specialty PhysiciansHouston, TX

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

Ryan Trong Nguyen among 1,603 cardiovascular disease physician records in Texas

Ryan Trong Nguyen, DO is one of 1,603 cardiovascular disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 97% of them.

  • NPI issued2020 · 97% of these records are older, 2% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2020 · median 1998 among the 1,219 with a school on file
  • Record last updated2026 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Texas

There are 1,603 cardiovascular disease physician records in Texas.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Kenneth Hoang, MDHouston, TX 770981972090017
  2. Mirza Baig, MDHouston, TX 770941497733018
  3. Gustavo Grieco, M.D.Houston, TX 770901073539755
  4. Muhammad Khan, M.B.B.S.Houston, TX 770901740445014
  5. Kozhaya Sokhon, MDHouston, TX 770901922150986
  6. Haytham Al-Azzeh, MDHouston, TX 770891437170438
  7. Palur Balakrishnan, MDHouston, TX 770891679508485
  8. Avinash Bapat, M.D.Houston, TX 770891427098235

Common questions

What is Ryan Trong Nguyen, DO's NPI number?

Ryan Trong Nguyen, DO's National Provider Identifier (NPI) is 1881222594, issued on Mar 29, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Trong Nguyen, DO located?

The NPPES record lists a practice address at 4101 Greenbriar Dr Ste 100, Houston, TX, 77098. Phone: (713) 797-0200. Providers update this record themselves, so call before visiting.

How can I verify Ryan Trong Nguyen, DO's license?

NPPES lists Texas license number V3656, 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 Ryan Trong Nguyen, DO prescribe under Medicare Part D?

In 2024, Ryan Trong Nguyen, DO had 11 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,078. 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.