DR. JAMES K ELLIS M.D.
NPI 1982792750
Internal Medicine - Hematology & Oncology in Thibodaux, LA
About Dr. James K Ellis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES K ELLIS M.D. (NPI 1982792750) is an individual hematology & oncology provider in Thibodaux, Louisiana, licensed in Louisiana (021233) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with West Jefferson Medical Center, and is a graduate of Louisiana State University School Of Medicine In New Orleans (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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. James K Ellis M.d. 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
3Medicare enrollment records show James Ellis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kenner, LA 70065
- Reassigned Medicare billing, Louisiana enrollment
- Medicare enrollment name: East Jefferson Physicians Group LLC
- 313 clinicians in this Medicare group
Marrero, LA 70072
- Reassigned Medicare billing, Louisiana enrollment
- 291 clinicians in this Medicare group
New Orleans, LA 70115
- Reassigned Medicare billing, Louisiana enrollment
- 206 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 6
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
West Jefferson Medical Center
Acute Care Hospitals · Marrero, LATouro Infirmary
Acute Care Hospitals · New Orleans, LAEast Jefferson General Hospital
Acute Care Hospitals · Metairie, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70301 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.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
THIBODAUX, LA 70301
THIBODAUX, LA 70301
THIBODAUX, LA 70301
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 James Ellis's NPI number?
The NPI number for James Ellis is 1982792750. It was assigned to this individual provider in the NPPES registry on October 10, 2006.
Where is James Ellis located?
James Ellis practices at 608 N Acadia Rd, Thibodaux, LA 70301. The listed phone number is (985) 449-4642.
What is James Ellis's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is James Ellis enrolled in Medicare?
Yes. James Ellis 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 James Ellis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Ellis reassigns Medicare benefits to 3 organizations: East Jefferson Physicians Group Urgent Care (Kenner, LA), New Orleans Physician Services Inc (Marrero, LA) and Crescent City Physicians, Inc. (New Orleans, 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 James Ellis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Ellis accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Blue Cross and Blue Shield of Louisiana and 1 other insurer list James Ellis 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 James Ellis affiliated with any hospitals?
According to CMS data, James Ellis is affiliated with West Jefferson Medical Center, Touro Infirmary and East Jefferson General Hospital.
When was this NPI record last updated?
The NPPES record for James Ellis was last updated on February 1, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. James K Ellis, M.D. · NPI 1982792750
Hematology & Oncology physician in Thibodaux, Louisiana. Individual provider, active in the CMS NPPES registry since October 10, 2006.
## Identity
- **NPI:** 1982792750 (Entity type: Individual)
- **Enumerated:** October 10, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 021233 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 608 N ACADIA RD, Thibodaux, LA 70301-4847
- **Phone:** (985) 449-4642 · **Fax:** (985) 449-2560
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): East Jefferson Physicians Group Urgent Care (NPI 1053859082, Kenner, LA); New Orleans Physician Services Inc (NPI 1396169678, Marrero, LA); Crescent City Physicians, Inc. (NPI 1689722340, New Orleans, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 1991
## Record status
- **NPPES last updated:** February 1, 2017
- **Other identifiers:** Medicare ID-Type Unspecified 5R059 (LA); Other 721245423 (LA); Medicaid 1932205 (LA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1982792750) · Data from the CMS NPPES public registry.