GREGORY PAUL MARKS MD
NPI 1487113692
Otolaryngology in New Orleans, LA
About Gregory Paul Marks Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY PAUL MARKS MD (NPI 1487113692) is an individual otolaryngology provider in New Orleans, Louisiana, licensed in Louisiana (347996) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Our Lady Of The Lake Regional Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Gregory Paul Marks 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
3Medicare enrollment records show Gregory Marks reassigns Medicare billing to 3 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
- 548 clinicians in this Medicare group
Baton Rouge, LA 70808
- Reassigned Medicare billing, Louisiana enrollment
- 873 clinicians in this Medicare group
Birmingham, AL 35233
- Reassigned Medicare billing, Alabama enrollment
- 4,494 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.
Hospital Affiliations CMS Care Compare 2
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, LAOur Lady Of Lourdes Regional Medical Center, Inc
Acute Care Hospitals · Lafayette, 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 10
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
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 Gregory Marks's NPI number?
The NPI number for Gregory Marks is 1487113692. It was assigned to this individual provider in the NPPES registry on March 18, 2019.
Where is Gregory Marks located?
Gregory Marks practices at 533 Bolivar St Ste 566, New Orleans, LA 70112. The listed phone number is (504) 568-4785.
What is Gregory Marks's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Gregory Marks enrolled in Medicare?
Yes. Gregory Marks 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 Gregory Marks's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Marks reassigns Medicare benefits to 3 organizations: Lsuhn Billing LLC (Baton Rouge, LA), Our Lady Of The Lake Physician Group LLC (Baton Rouge, LA) and University Of Alabama Health Services Foundation, PC (Birmingham, AL). 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 Gregory Marks's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Marks accept?
Health plans from AmeriHealth Caritas Next, Blue Cross and Blue Shield of Louisiana, HMO Louisiana and UnitedHealthcare list Gregory Marks 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 Gregory Marks affiliated with any hospitals?
According to CMS data, Gregory Marks is affiliated with Our Lady Of The Lake Regional Medical Center and Our Lady Of Lourdes Regional Medical Center, Inc.
When was this NPI record last updated?
The NPPES record for Gregory Marks was last updated on August 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Gregory Paul Marks, MD · NPI 1487113692
Otolaryngology physician in New Orleans, Louisiana. Individual provider, active in the CMS NPPES registry since March 18, 2019.
## Identity
- **NPI:** 1487113692 (Entity type: Individual)
- **Enumerated:** March 18, 2019
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 347996 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 533 BOLIVAR ST STE 566, New Orleans, LA 70112-1349
- **Phone:** (504) 568-4785
## 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): Lsuhn Billing LLC (NPI 1306247556, Baton Rouge, LA); Our Lady Of The Lake Physician Group LLC (NPI 1033494943, Baton Rouge, LA); University Of Alabama Health Services Foundation, PC (NPI 1164617205, Birmingham, AL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2019
## Record status
- **NPPES last updated:** August 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1487113692) · Data from the CMS NPPES public registry.