Quick answers
- Does Tung Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Tung 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 Tung Nguyen see?
- In 2024, CMS data shows 921 Original Medicare patients and 2,147 services for Tung Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Tung Nguyen's NPI number?
- 1700317120. 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 Tung 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 | 921 |
|---|---|
| Services billed to Medicare | 2,147 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)965 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)263 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)200 services
- Heart muscle strain imaging (93356)114 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)70 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%
- Ischemic heart disease56%
- Chronic kidney disease52%
- Diabetes51%
- Arthritis50%
Hospitals where Tung Nguyen works
Medicare's Facility Affiliation Data lists Tung Nguyen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Baptist Medical CenterSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450058
- Methodist HospitalSan Antonio, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450388
- Methodist Hospital Stone OakSan Antonio, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 670055
Practice locations
Addresses where Tung Nguyen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1139 E Sonterra BlvdSan Antonio, TX 78258
- 1139 E Sonterra Blvd, Suite 565San Antonio, TX 78258 (210) 490‑6000
- 11407 Wayland Way, PAM Hlth Warm Springs Rehab Hospital ofSan Antonio, TX 78233 (210) 967‑0096
- 12412 Judson RdLive Oak, TX 78233 (210) 650‑4949
- 134 Menger Spgs, Suite 1370Boerne, TX 78006 (830) 331‑8000
Group practices
Medicare enrollment lists Tung Nguyen as a member of this group (CMS data updated October 2, 2026).
- Cardiology Clinic of San Antonio, PLLC126 clinicians in the group
Specialties
Other internal medicine doctors in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in Cardiology Clinic of San Antonio, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700317120 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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