DR. STEPHANIE NICOLE MROWCZYNSKI MD
NPI 1336844380
Internal Medicine in New Orleans, LA
About Dr. Stephanie Nicole Mrowczynski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHANIE NICOLE MROWCZYNSKI MD (NPI 1336844380) is an individual internal medicine provider in New Orleans, Louisiana, licensed in Louisiana (350741) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and is a graduate of Oakland Univ, William Beaumont School Of Medicine (2023).
NPPES Registry Identity
Specialties & Licenses 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 (PECOS)
Dr. Stephanie Nicole Mrowczynski Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Stephanie Mrowczynski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Orleans, LA 70112
- Reassigned Medicare billing, Louisiana enrollment
- Also billed through NPI 1245434224 (Louisiana)
- 851 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.
Physician 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
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 Stephanie Mrowczynski's NPI number?
The NPI number for Stephanie Mrowczynski is 1336844380. It was assigned to this individual provider in the NPPES registry on March 31, 2023.
Where is Stephanie Mrowczynski located?
Stephanie Mrowczynski practices at 1430 Tulane Ave # 8050, New Orleans, LA 70112. The listed phone number is (504) 988-7809.
What is Stephanie Mrowczynski's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Stephanie Mrowczynski enrolled in Medicare?
Yes. Stephanie Mrowczynski is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Stephanie Mrowczynski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Mrowczynski reassigns Medicare benefits to Administrators Of The Tulane Educational Fund (New Orleans, LA). The 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 Stephanie Mrowczynski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephanie Mrowczynski accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and UnitedHealthcare list Stephanie Mrowczynski 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.
When was this NPI record last updated?
The NPPES record for Stephanie Mrowczynski was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Stephanie Nicole Mrowczynski, MD · NPI 1336844380
Internal Medicine physician in New Orleans, Louisiana. Individual provider, active in the CMS NPPES registry since March 31, 2023.
## Identity
- **NPI:** 1336844380 (Entity type: Individual)
- **Enumerated:** March 31, 2023
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 350741 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1430 TULANE AVE # 8050, New Orleans, LA 70112-2632
- **Phone:** (504) 988-7809 · **Fax:** (504) 988-3971
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Administrators Of The Tulane Educational Fund (NPI 1528014164, New Orleans, LA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oakland Univ, William Beaumont School Of Medicine, class of 2023
## Record status
- **NPPES last updated:** June 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1336844380) · Data from the CMS NPPES public registry.