WILLIAM SETH JARRELL CRNA
NPI 1437518461
Nurse Anesthetist, Certified Registered in Lafayette, LA
About William Seth Jarrell Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM SETH JARRELL CRNA (NPI 1437518461) is an individual nurse anesthetist, certified registered in Lafayette, Louisiana, licensed in Louisiana (AP08598) and active in the NPI registry since February 2016. He is affiliated with Opelousas General Health System and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William Seth Jarrell Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show William Jarrell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lafayette, LA 70503
- Reassigned Medicare billing, Louisiana enrollment
- 428 clinicians in this Medicare group
Opelousas, LA 70570
- Reassigned Medicare billing, Louisiana enrollment
- 82 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Opelousas General Health System
Acute Care Hospitals · Opelousas, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAFAYETTE, LA 70503
LAFAYETTE, LA 70503
LAFAYETTE, LA 70503
LAFAYETTE, LA 70503
LAFAYETTE, LA 70503
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Jarrell's NPI number?
The NPI number for William Jarrell is 1437518461. It was assigned to this individual provider in the NPPES registry on February 18, 2016.
Where is William Jarrell located?
William Jarrell practices at 1214 Coolidge Blvd, Lafayette, LA 70503. The listed phone number is (337) 289-7991.
What is William Jarrell's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is William Jarrell enrolled in Medicare?
Yes. William Jarrell is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for William Jarrell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Jarrell reassigns Medicare benefits to 2 organizations: Lafayette Health Ventures, Inc. (Lafayette, LA) and Opelousas General Health System Physician Practices (Opelousas, LA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Jarrell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Jarrell accept?
Health plans from HMO Louisiana list William Jarrell as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Jarrell affiliated with any hospitals?
According to CMS data, William Jarrell is affiliated with Opelousas General Health System.
When was this NPI record last updated?
The NPPES record for William Jarrell was last updated on June 17, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# William Seth Jarrell, CRNA · NPI 1437518461
Nurse Anesthetist, Certified Registered physician in Lafayette, Louisiana. Individual provider, active in the CMS NPPES registry since February 18, 2016.
## Identity
- **NPI:** 1437518461 (Entity type: Individual)
- **Enumerated:** February 18, 2016
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP08598 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1214 COOLIDGE BLVD, Lafayette, LA 70503-2621
- **Phone:** (337) 289-7991
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Lafayette Health Ventures, Inc. (NPI 1780613349, Lafayette, LA); Opelousas General Health System Physician Practices (NPI 1255689600, Opelousas, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** June 17, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1437518461) · Data from the CMS NPPES public registry.