Quick answers
- Does John T. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says John T. Nguyen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does John T. Nguyen see?
- In 2024, CMS data shows 274 Original Medicare patients and 1,139 services for John T. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is John T. Nguyen's NPI number?
- 1407204662. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for John T. Nguyen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 274 |
|---|---|
| Services billed to Medicare | 1,139 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 62 |
Most frequent services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)392 services
- Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist (36902)262 services
- Insertion of tube into chest or arm artery, each first order branch (36215)102 services
- Review by radiologist of arm or leg artery image (75710)93 services
- Balloon dilation of vein with review by radiologist, initial vein (37248)62 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Diabetes75%
- Chronic kidney disease75%
- Heart failure64%
- Ischemic heart disease56%
Practice locations
Addresses where John T. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 8411 FM 1960 Bypass Rd WHumble, TX 77338 (713) 820‑0806
Group practices
Medicare enrollment lists John T. Nguyen as a member of this group (CMS data updated October 2, 2026).
- Ruchdi Barakat, M.D., P.A.4 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Humble
Clinicians with the same Medicare primary specialty in Humble, TX — not a recommendation.
Other clinicians in Ruchdi Barakat, M.D., P.A.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407204662 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians