Quick answers
- Which hospitals does William S. Jarrell work at?
- Medicare's official clinician data lists William S. Jarrell at 1 hospital: Opelousas General Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William S. Jarrell see patients?
- Medicare's clinician data lists 2 practice locations, including Opelousas, LA. Call before your visit to confirm the address.
- What is William S. Jarrell's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does William S. Jarrell accept Medicare assignment?
- Yes. Medicare's clinician data says William S. Jarrell 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 William S. Jarrell?
- (337) 594-3980, as listed in official Medicare / NPI Registry data.
- What is William S. Jarrell's NPI number?
- 1437518461. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William S. Jarrell works
Medicare's Facility Affiliation Data lists William S. Jarrell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Opelousas General Health SystemOpelousas, LA · Acute Care Hospital · CCN 190017
Practice locations
Addresses where William S. Jarrell is enrolled with Medicare (CMS data updated 2026-10-02).
- 3975 I-49 S Services Rd, Suite 200Opelousas, LA 70570 (337) 594‑3980
- 539 E Prudhomme StOpelousas, LA 70570
Group practices
Medicare enrollment lists William S. Jarrell as a member of this group (CMS data updated 2026-10-02).
- Opelousas General Health System Physician Practices61 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Louisiana →
Other nurse anesthetists in Opelousas
Clinicians with the same Medicare primary specialty in Opelousas, LA — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437518461 |
| 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