IAN B DENYS MD
NPI 1346829447
Internal Medicine in New Orleans, LA
About Ian B Denys Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IAN B DENYS MD (NPI 1346829447) is an individual internal medicine provider in New Orleans, Louisiana, licensed in Texas (V1760) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Our Lady Of The Lake Regional Medical Center, and maintains a secondary practice location in Baton Rouge.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Ian B Denys 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
6Medicare enrollment records show Ian Denys reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baton Rouge, LA 70808
- Reassigned Medicare billing, Louisiana enrollment
- 873 clinicians in this Medicare group
New Iberia, LA 70560
- Reassigned Medicare billing, Louisiana enrollment
- 93 clinicians in this Medicare group
Sulphur, LA 70663
- Reassigned Medicare billing, Louisiana enrollment
- 121 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Texas enrollment
- 2,009 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,338 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,439 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 2
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.
Our Lady Of The Lake Regional Medical Center
Acute Care Hospitals · Baton Rouge, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70112 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 70112
NEW ORLEANS, LA 70112
NEW ORLEANS, LA 70112
NEW ORLEANS, LA 70112
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 Ian Denys's NPI number?
The NPI number for Ian Denys is 1346829447. It was assigned to this individual provider in the NPPES registry on April 6, 2021.
Where is Ian Denys located?
Ian Denys practices at 1542 Tulane Ave # T4m2, New Orleans, LA 70112. The listed phone number is (504) 568-5600.
What is Ian Denys's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ian Denys enrolled in Medicare?
Yes. Ian Denys 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 Ian Denys's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Denys reassigns Medicare benefits to 6 organizations: Our Lady Of The Lake Physician Group LLC (Baton Rouge, LA), Main Street Physician Services LLC (New Iberia, LA), Calcasieu Cameron Hospital Medicine Group LLC (Sulphur, LA), Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX), Concord Medical Group PLLC (Lubbock, TX) 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 Ian Denys's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ian Denys accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, HMO Louisiana and Molina Healthcare list Ian Denys 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 Ian Denys affiliated with any hospitals?
According to CMS data, Ian Denys is affiliated with Our Lady Of The Lake Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Ian Denys was last updated on March 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.
# Ian B Denys, MD · NPI 1346829447
Internal Medicine physician in New Orleans, Louisiana. Individual provider, active in the CMS NPPES registry since April 6, 2021.
## Identity
- **NPI:** 1346829447 (Entity type: Individual)
- **Enumerated:** April 6, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** V1760 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1542 TULANE AVE # T4M2, New Orleans, LA 70112-2865
- **Phone:** (504) 568-5600
## 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): Our Lady Of The Lake Physician Group LLC (NPI 1033494943, Baton Rouge, LA); Main Street Physician Services LLC (NPI 1396150785, New Iberia, LA); Calcasieu Cameron Hospital Medicine Group LLC (NPI 1659764967, Sulphur, LA); Hospitalist Medicine Physicians Of Texas, PLLC (NPI 1629307095, Humble, TX); Concord Medical Group PLLC (NPI 1083630610, Lubbock, TX); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** March 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1346829447) · Data from the CMS NPPES public registry.