Quick answers
- Which hospitals does Christian Assad Kottner work at?
- Medicare's official clinician data lists Christian Assad Kottner at 3 hospitals: Doctors Hosptal at Renaissance, Rio Grande Regional Hospital and South Texas Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christian Assad Kottner see patients?
- Medicare's clinician data lists 3 practice locations, including McAllen, TX and Edinburg, TX. Call before your visit to confirm the address.
- What is Christian Assad Kottner's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Christian Assad Kottner accept Medicare assignment?
- Yes. Medicare's clinician data says Christian Assad Kottner 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 Christian Assad Kottner?
- (956) 994-9997, as listed in official Medicare / NPI Registry data.
- What is Christian Assad Kottner's NPI number?
- 1508057787. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christian Assad Kottner works
Medicare's Facility Affiliation Data lists Christian Assad Kottner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Doctors Hosptal at RenaissanceEdinburg, TX · Acute Care Hospital · CCN 450869
- Rio Grande Regional HospitalMcAllen, TX · Acute Care Hospital · CCN 450711
- South Texas Health SystemEdinburg, TX · Acute Care Hospital · CCN 450119
Practice locations
Addresses where Christian Assad Kottner is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 E Ridge Rd, Suite AMcAllen, TX 78503 (956) 994‑9997
- 101 E Ridge RdMcAllen, TX 78503 (956) 632‑6000
- 5501 S McColl Rd, Doctors Hosp RenassianceEdinburg, TX 78539 (956) 362‑3100
Group practices
Medicare enrollment lists Christian Assad Kottner as a member of this group (CMS data updated 2026-10-02).
- Rio Grande Valley Cardiology, PLLC10 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Texas →
Other cardiologists in McAllen
Clinicians with the same Medicare primary specialty in McAllen, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508057787 |
| 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