Quick answers
- Does Chun Wang Y. Tan accept Medicare assignment?
- Yes. Medicare's clinician data says Chun Wang Y. Tan 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 Chun Wang Y. Tan see?
- In 2024, CMS data shows 770 Original Medicare patients and 3,811 services for Chun Wang Y. Tan. This counts Original Medicare only and measures volume, not quality.
- What is Chun Wang Y. Tan's NPI number?
- 1104825785. 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 Chun Wang Y. Tan, 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 | 770 |
|---|---|
| Services billed to Medicare | 3,811 |
| Different services or procedures | 68 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)885 services
- Injection, regadenoson, 0.1 mg (J2785)436 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)400 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)376 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)171 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%
- Arthritis54%
- Ischemic heart disease49%
- Diabetes48%
- Chronic kidney disease35%
Hospitals where Chun Wang Y. Tan works
Medicare's Facility Affiliation Data lists Chun Wang Y. Tan 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
- Frio Regional HospitalPearsall, TX · Critical Access Hospital · Emergency services: listed by Medicare · CCN 451391
- Methodist Hospital AtascosaJourdanton, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450165
Practice locations
Addresses where Chun Wang Y. Tan is enrolled with Medicare (CMS data updated October 2, 2026).
- 116 W Blanco Rd, Suite 301Boerne, TX 78006 (210) 297‑2216
- 1808 Texas 97Jourdanton, TX 78026 (210) 756‑6306
Group practices
Medicare enrollment lists Chun Wang Y. Tan as a member of this group (CMS data updated October 2, 2026).
- BHS Physicians Network, Inc706 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Texas →
Other cardiologists in Boerne
Clinicians with the same Medicare primary specialty in Boerne, TX — not a recommendation.
Other clinicians in BHS Physicians Network, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104825785 |
| 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