Quick answers
- Which hospitals does Kevin H. O'Sullivan work at?
- Medicare's official clinician data lists Kevin H. O'Sullivan at 3 hospitals: CHRISTUS St Michael Health System, Little River Memorial Hospital and Southwest Regional Medical Center LLC. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Kevin H. O'Sullivan see patients?
- Medicare's clinician data lists 9 practice locations, including New Boston, TX, Texarkana, AR and Prescott, AR. Call before your visit to confirm the address.
- What is Kevin H. O'Sullivan's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Kevin H. O'Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Kevin H. O'Sullivan 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 Kevin H. O'Sullivan?
- (903) 628-1104, as listed in official Medicare / NPI Registry data.
- What is Kevin H. O'Sullivan's NPI number?
- 1922492859. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kevin H. O'Sullivan works
Medicare's Facility Affiliation Data lists Kevin H. O'Sullivan 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
- Little River Memorial HospitalAshdown, AR · Critical Access Hospital · CCN 041320
- Southwest Regional Medical Center LLCHope, AR · Critical Access Hospital · CCN 041335
Practice locations
Addresses where Kevin H. O'Sullivan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 128 N Ellis St, New BostonNew Boston, TX 75570 (903) 628‑1104
- 1307 Trinity BlvdTexarkana, AR 71854 (870) 773‑6467
- 1440 W 1st, Collom and Carney ClinicPrescott, AR 71857 (870) 887‑0001
- 2014 Galleria Oaks DrTexarkana, TX 75503 (903) 614‑3750
- 2931 Richmond RdTexarkana, TX 75503 (903) 614‑3200
Group practices
Medicare enrollment lists Kevin H. O'Sullivan as a member of this group (CMS data updated 2026-10-02).
- Collom and Carney Clinic Association51 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arkansas College Of Medicine |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922492859 |
| 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