DR. WILLIAM RAY COTHERN MD
NPI 1881993442
Emergency Medicine in New Hyde Park, NY
About Dr. William Ray Cothern Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM RAY COTHERN MD (NPI 1881993442) is an individual emergency medicine provider in New Hyde Park, New York, licensed in Louisiana (204557) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS, is affiliated with Ochsner Lafayette General Medical Center, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2007).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Dr. William Ray Cothern Md 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
5Medicare enrollment records show William Cothern reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Metairie, LA 70001
- Reassigned Medicare billing, Louisiana enrollment
- 114 clinicians in this Medicare group
Opelousas, LA 70570
- Reassigned Medicare billing, Louisiana enrollment
- 55 clinicians in this Medicare group
Lafayette, LA 70503
- Reassigned Medicare billing, Louisiana enrollment
- 87 clinicians in this Medicare group
Lafayette, LA 70508
- Reassigned Medicare billing, Louisiana enrollment
- 87 clinicians in this Medicare group
Lafayette, LA 70506
- Reassigned Medicare billing, Louisiana enrollment
- 65 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 4
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.
Ochsner Lafayette General Medical Center
Acute Care Hospitals · Lafayette, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11040 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
NEW HYDE PARK, NY 11040
NEW HYDE PARK, NY 11040
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 Cothern's NPI number?
The NPI number for William Cothern is 1881993442. It was assigned to this individual provider in the NPPES registry on March 22, 2011.
Where is William Cothern located?
William Cothern practices at 27005 76th Ave, New Hyde Park, NY 11040. The listed phone number is (718) 470-7501.
What is William Cothern's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Cothern enrolled in Medicare?
Yes. William Cothern 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 Cothern's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Cothern reassigns Medicare benefits to 5 organizations: Independence Emergency Group LLC (Metairie, LA), Opelousas Emergency Group LLC (Opelousas, LA), Coolidge Emergency Group LLC (Lafayette, LA), Lourdes After Hours LLC (Lafayette, LA) and Ambassador Emergency Group LLC (Lafayette, 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 Cothern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Cothern accept?
Health plans from CHRISTUS Health Plan list William Cothern 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 Cothern affiliated with any hospitals?
According to CMS data, William Cothern is affiliated with Ochsner Lafayette General Medical Center.
When was this NPI record last updated?
The NPPES record for William Cothern was last updated on December 15, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.