DR. CHARLES CALLAN MARY III MD
NPI 1780891523
Internal Medicine in Metairie, LA
About Dr. Charles Callan Mary Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHARLES CALLAN MARY III MD (NPI 1780891523) is an individual internal medicine provider in Metairie, Louisiana, licensed in Louisiana (023420) and active in the NPI registry since May 2007. 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 (1996).
NPPES Registry Identity
Specialties & Licenses
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. Charles Callan Mary Iii 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
7Medicare enrollment records show Charles Mary reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Metairie, LA 70002
- Reassigned Medicare billing, Louisiana enrollment
- 209 clinicians in this Medicare group
New Orleans, LA 70124
- Reassigned Medicare billing, Louisiana enrollment
- 88 clinicians in this Medicare group
Marrero, LA 70072
- Reassigned Medicare billing, Louisiana enrollment
- 291 clinicians in this Medicare group
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- 163 clinicians in this Medicare group
Saint Amant, LA 70774
- Reassigned Medicare billing, Louisiana enrollment
- 93 clinicians in this Medicare group
Port Sulphur, LA 70083
- Reassigned Medicare billing, Louisiana enrollment
- 22 clinicians in this Medicare group
Lafayette, LA 70508
- Reassigned Medicare billing, Louisiana enrollment
- 87 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
West Jefferson Medical Center
Acute Care Hospitals · Marrero, LAEast Jefferson General Hospital
Acute Care Hospitals · Metairie, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70002 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Charles Mary's NPI number?
The NPI number for Charles Mary is 1780891523. It was assigned to this individual provider in the NPPES registry on May 17, 2007.
Where is Charles Mary located?
Charles Mary practices at 3813 N Causeway Blvd Suite 200, Metairie, LA 70002. The listed phone number is (504) 833-4338.
What is Charles Mary's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Charles Mary enrolled in Medicare?
Yes. Charles Mary 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 Charles Mary's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Mary reassigns Medicare benefits to 7 organizations: Rapid Urgent Care, Inc (Metairie, LA), Lcmc Urgent Care LLC (New Orleans, LA), New Orleans Physician Services Inc (Marrero, LA), Convenient Care LLC (Hammond, LA), Lake Urgent Care Ascension LLC (Saint Amant, LA) and 2 more organizations, 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 Charles Mary's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Charles Mary affiliated with any hospitals?
According to CMS data, Charles Mary is affiliated with West Jefferson Medical Center and East Jefferson General Hospital.
When was this NPI record last updated?
The NPPES record for Charles Mary was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Charles Callan Mary III, MD · NPI 1780891523
Internal Medicine physician in Metairie, Louisiana. Individual provider, active in the CMS NPPES registry since May 17, 2007.
## Identity
- **NPI:** 1780891523 (Entity type: Individual)
- **Enumerated:** May 17, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 023420 (Louisiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3813 N CAUSEWAY BLVD, SUITE 200, Metairie, LA 70002-1724
- **Phone:** (504) 833-4338 · **Fax:** (504) 849-1299
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Rapid Urgent Care, Inc (NPI 1104272863, Metairie, LA); Lcmc Urgent Care LLC (NPI 1184162877, New Orleans, LA); New Orleans Physician Services Inc (NPI 1396169678, Marrero, LA); Convenient Care LLC (NPI 1225119225, Hammond, LA); Lake Urgent Care Ascension LLC (NPI 1487024618, Saint Amant, LA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 1996
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1780891523) · Data from the CMS NPPES public registry.