Quick answers
- Which hospitals does Sayf Yassin work at?
- Medicare's official clinician data lists Sayf Yassin at 3 hospitals: Ascension Seton Smithville, Ascension Seton Williamson and Laredo Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sayf Yassin see patients?
- Medicare's clinician data lists 7 practice locations, including Luling, TX, Laredo, TX and Round Rock, TX. Call before your visit to confirm the address.
- What is Sayf Yassin's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Sayf Yassin accept Medicare assignment?
- Yes. Medicare's clinician data says Sayf Yassin 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.
- Does Sayf Yassin offer telehealth?
- Medicare's clinician data says Sayf Yassin offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sayf Yassin?
- (830) 875-7057, as listed in official Medicare / NPI Registry data.
- What is Sayf Yassin's NPI number?
- 1043605371. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sayf Yassin works
Medicare's Facility Affiliation Data lists Sayf Yassin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Seton SmithvilleSmithville, TX · Critical Access Hospital · CCN 671304
- Ascension Seton WilliamsonRound Rock, TX · Acute Care Hospital · CCN 670041
- Laredo Medical CenterLaredo, TX · Acute Care Hospital · CCN 450029
Practice locations
Addresses where Sayf Yassin is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 130 Hays StLuling, TX 78648 (830) 875‑7057
- 1700 E Saunders St, Laredo Medical CenterLaredo, TX 78041 (956) 796‑5000
- 201 Seton PkwyRound Rock, TX 78665 (512) 324‑4000
- 260 Cully DrKerrville, TX 78028 (830) 258‑7747
- 3201 S Water StBurnet, TX 78611 (512) 715‑3000
Group practices
Medicare enrollment lists Sayf Yassin as a member of these groups (CMS data updated 2026-10-02).
- Usacs Integrated Acute Care Services of Texas, PLLC387 clinicians in the group
- HCC of Laredo LLC30 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Luling
Clinicians with the same Medicare primary specialty in Luling, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1043605371 |
| 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