DR. JAMES DESPORTE LILLY M.D.
NPI 1003819350
Internal Medicine - Gastroenterology in New Orleans, LA
About Dr. James Desporte Lilly M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES DESPORTE LILLY M.D. (NPI 1003819350) is an individual gastroenterology provider in New Orleans, Louisiana, licensed in Louisiana (24302) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and is a graduate of Louisiana State University School Of Medicine In New Orleans (1998).
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. James Desporte Lilly 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
6Medicare enrollment records show James Lilly reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Orleans, LA 70115
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
New Orleans, LA 70115
- Reassigned Medicare billing, Louisiana enrollment
- 206 clinicians in this Medicare group
New Orleans, LA 70112
- Reassigned Medicare billing, Louisiana enrollment
- Medicare enrollment name: Administrators Of The Tulane Educational Fund
- 851 clinicians in this Medicare group
Marrero, LA 70072
- Reassigned Medicare billing, Louisiana enrollment
- 291 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Louisiana enrollment
- 92 clinicians in this Medicare group
Houma, LA 70363
- Reassigned Medicare billing, Louisiana enrollment
- 189 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 12
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ochsner Medical Center Acute
Acute Care Hospitals · New Orleans, LAWest Jefferson Medical Center
Acute Care Hospitals · Marrero, LATouro Infirmary
Acute Care Hospitals · New Orleans, LALeonard J Chabert Medical Center
Acute Care Hospitals · Houma, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70115 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.
NEW ORLEANS, LA 70115
NEW ORLEANS, LA 70115
NEW ORLEANS, LA 70115
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 Lilly's NPI number?
The NPI number for James Lilly is 1003819350. It was assigned to this individual provider in the NPPES registry on May 31, 2005.
Where is James Lilly located?
James Lilly practices at 2820 Napoleon Ave Suite 720, New Orleans, LA 70115. The listed phone number is (504) 896-8670.
What is James Lilly's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is James Lilly enrolled in Medicare?
Yes. James Lilly 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 Lilly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Lilly reassigns Medicare benefits to 6 organizations: Ochsner Clinic LLC (New Orleans, LA), Crescent City Physicians, Inc. (New Orleans, LA), Administrators Of The Tulane Education Fund (New Orleans, LA), New Orleans Physician Services Inc (Marrero, LA), Texas Digestive Disease Consultants PLLC (Covington, LA) and 1 more organization, listed in the Medicare section above. 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 Lilly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Lilly accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 4 other insurers list James Lilly 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 Lilly affiliated with any hospitals?
According to CMS data, James Lilly is affiliated with Ochsner Medical Center Acute, West Jefferson Medical Center, Touro Infirmary and Leonard J Chabert Medical Center.
When was this NPI record last updated?
The NPPES record for James Lilly was last updated on October 23, 2012. 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.
# Dr. James Desporte Lilly, M.D. · NPI 1003819350
Gastroenterology physician in New Orleans, Louisiana. Individual provider, active in the CMS NPPES registry since May 31, 2005.
## Identity
- **NPI:** 1003819350 (Entity type: Individual)
- **Enumerated:** May 31, 2005
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 24302 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 2820 NAPOLEON AVE, SUITE 720, New Orleans, LA 70115
- **Phone:** (504) 896-8670 · **Fax:** (504) 896-8699
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Ochsner Clinic LLC (NPI 1043780281, New Orleans, LA); Crescent City Physicians, Inc. (NPI 1689722340, New Orleans, LA); Administrators Of The Tulane Education Fund (NPI 1790354595, New Orleans, LA); New Orleans Physician Services Inc (NPI 1396169678, Marrero, LA); Texas Digestive Disease Consultants PLLC (NPI 1295428415, Covington, LA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 1998
## Record status
- **NPPES last updated:** October 23, 2012
- **Other identifiers:** Medicare PIN 4F810 (LA); Medicaid 1543560 (LA); Medicare UPIN I06473 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1003819350) · Data from the CMS NPPES public registry.