Quick answers
- Which hospitals does Thomas W. Ertzner work at?
- Medicare's official clinician data lists Thomas W. Ertzner at 5 hospitals: CHRISTUS Spohn Hospital Alice, CHRISTUS Spohn Hospital Beeville, CHRISTUS Spohn Hospital Corpus Christi, Laredo Medical Center and The Corpus Christi Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas W. Ertzner see patients?
- Medicare's clinician data lists 5 practice locations, including Laredo, TX, Denver, CO and Colorado Springs, CO. Call before your visit to confirm the address.
- What is Thomas W. Ertzner's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Thomas W. Ertzner accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas W. Ertzner 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 Thomas W. Ertzner?
- (956) 206-6971, as listed in official Medicare / NPI Registry data.
- What is Thomas W. Ertzner's NPI number?
- 1013902071. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas W. Ertzner works
Medicare's Facility Affiliation Data lists Thomas W. Ertzner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHRISTUS Spohn Hospital AliceAlice, TX · Acute Care Hospital · CCN 450828
- CHRISTUS Spohn Hospital BeevilleBeeville, TX · Acute Care Hospital · CCN 450082
- CHRISTUS Spohn Hospital Corpus ChristiCorpus Christi, TX · Acute Care Hospital · CCN 450046
- Laredo Medical CenterLaredo, TX · Acute Care Hospital · CCN 450029
- The Corpus Christi Medical CenterCorpus Christi, TX · Acute Care Hospital · CCN 450788
Practice locations
Addresses where Thomas W. Ertzner is enrolled with Medicare (CMS data updated 2026-10-02).
- 1700 E Saunders St, Laredo Medical CenterLaredo, TX 78041 (956) 206‑6971
- 2808 N Lafayette StDenver, CO 80205 (832) 355‑4112
- 2912 Cathedral Park VwColorado Springs, CO 80904 (832) 355‑4122
- 3315 S Alameda St, Corpus Christi Medical Center Doctors RegioCorpus Christi, TX 78411 (361) 761‑1000
- 539 Lions Ridge RdCarbondale, CO 81623 (832) 355‑4112
Group practices
Medicare enrollment lists Thomas W. Ertzner as a member of these groups (CMS data updated 2026-10-02).
- Singleton Associates PA838 clinicians in the group
- Deliverrad PLLC12 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Laredo
Clinicians with the same Medicare primary specialty in Laredo, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013902071 |
| 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