Quick answers
- Which hospitals does Dennis D. Obanion work at?
- Medicare's official clinician data lists Dennis D. Obanion at 1 hospital: CHRISTUS St Michael Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dennis D. Obanion see patients?
- Medicare's clinician data lists 5 practice locations, including Atlanta, TX and Texarkana, TX. Call before your visit to confirm the address.
- What is Dennis D. Obanion's specialty?
- Medicare lists General Surgery as the primary specialty, and also Thoracic Surgery.
- Does Dennis D. Obanion accept Medicare assignment?
- Yes. Medicare's clinician data says Dennis D. Obanion 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 Dennis D. Obanion?
- (903) 799-3000, as listed in official Medicare / NPI Registry data.
- What is Dennis D. Obanion's NPI number?
- 1457317539. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dennis D. Obanion works
Medicare's Facility Affiliation Data lists Dennis D. Obanion at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHRISTUS St Michael Health SystemTexarkana, TX · Acute Care Hospital · CCN 450801
Practice locations
Addresses where Dennis D. Obanion is enrolled with Medicare (CMS data updated 2026-10-02).
- 1007 S William StAtlanta, TX 75551 (903) 799‑3000
- 1801 Galleria Oaks DrTexarkana, TX 75503 (903) 614‑4200
- 2600 Saint Michael DrTexarkana, TX 75503 (903) 614‑1000
- 2604 St Michael Dr, Suite 239Texarkana, TX 75503 (903) 614‑5355
- Dennis O'Banion MD, 2604 St. Michael Dr. Suite 239Texarkana, TX 75503
Specialties
- General Surgeryprimary
- Thoracic Surgeryalso
Other general surgeons in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457317539 |
| 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