Quick answers
- Which hospitals does Tiannan Zhang work at?
- Medicare's official clinician data lists Tiannan Zhang at 5 hospitals: Hill Country Memorial Hospital, Methodist Hospital, Methodist Hospital Stone Oak, Riverview Regional Medical Center and The Corpus Christi Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tiannan Zhang see patients?
- Medicare's clinician data lists 2 practice locations, including Huntsville, TX and San Antonio, TX. Call before your visit to confirm the address.
- What is Tiannan Zhang's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Tiannan Zhang accept Medicare assignment?
- Yes. Medicare's clinician data says Tiannan Zhang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Tiannan Zhang?
- (877) 832-2652, as listed in official Medicare / NPI Registry data.
- What is Tiannan Zhang's NPI number?
- 1578096541. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tiannan Zhang works
Medicare's Facility Affiliation Data lists Tiannan Zhang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hill Country Memorial HospitalFredericksburg, TX · Acute Care Hospital · CCN 450604
- Methodist HospitalSan Antonio, TX · Acute Care Hospital · CCN 450388
- Methodist Hospital Stone OakSan Antonio, TX · Acute Care Hospital · CCN 670055
- Riverview Regional Medical CenterGadsden, AL · Acute Care Hospital · CCN 010046
- The Corpus Christi Medical CenterCorpus Christi, TX · Acute Care Hospital · CCN 450788
Practice locations
Addresses where Tiannan Zhang is enrolled with Medicare (CMS data updated 2026-10-02).
- 110 Memorial Hospital DrHuntsville, TX 77340 (877) 832‑2652
- 1310 McCullough AveSan Antonio, TX 78212 (210) 757‑2200
Group practices
Medicare enrollment lists Tiannan Zhang as a member of these groups (CMS data updated 2026-10-02).
- Hospital Medicine Services of TX, PLLC378 clinicians in the group
- Hha Hospital Medicine of Texas PLLC30 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Huntsville
Clinicians with the same Medicare primary specialty in Huntsville, TX — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Kansas City College Of Medicine And Surgery |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578096541 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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