DR. LESZEK MICHALEWICZ M.D.
NPI 1487718136
Psychiatry & Neurology - Psychiatry in New Orleans, LA
About Dr. Leszek Michalewicz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LESZEK MICHALEWICZ M.D. (NPI 1487718136) is an individual psychiatry provider in New Orleans, Louisiana, licensed in Louisiana (025905) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Leszek Michalewicz M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Leszek Michalewicz reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Orleans, LA 70112
- Reassigned Medicare billing, Louisiana enrollment
- 851 clinicians in this Medicare group
New Orleans, LA 70113
- Reassigned Medicare billing, Louisiana enrollment
- 127 clinicians in this Medicare group
Slidell, LA 70458
- Reassigned Medicare billing, Louisiana enrollment
- 68 clinicians in this Medicare group
Jackson, LA 70748
- Reassigned Medicare billing, Louisiana enrollment
- 26 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
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 Leszek Michalewicz's NPI number?
The NPI number for Leszek Michalewicz is 1487718136. It was assigned to this individual provider in the NPPES registry on December 20, 2006.
Where is Leszek Michalewicz located?
Leszek Michalewicz practices at 1415 Tulane Ave, New Orleans, LA 70112. The listed phone number is (504) 988-2300.
What is Leszek Michalewicz's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Leszek Michalewicz enrolled in Medicare?
Yes. Leszek Michalewicz is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Leszek Michalewicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leszek Michalewicz reassigns Medicare benefits to 4 organizations: Administrators Of The Tulane Educational Fund (New Orleans, LA), Marillac Community Health Centers (New Orleans, LA), Florida Parishes Human Services Authority (Slidell, LA) and East Louisiana State Hospital (Jackson, LA). 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 Leszek Michalewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leszek Michalewicz accept?
Health plans from HMO Louisiana list Leszek Michalewicz 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 Leszek Michalewicz was last updated on February 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Leszek Michalewicz, M.D. · NPI 1487718136
Psychiatry physician in New Orleans, Louisiana. Individual provider, active in the CMS NPPES registry since December 20, 2006.
## Identity
- **NPI:** 1487718136 (Entity type: Individual)
- **Enumerated:** December 20, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 025905 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1415 TULANE AVE, New Orleans, LA 70112-2600
- **Phone:** (504) 988-2300 · **Fax:** (504) 988-4270
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Administrators Of The Tulane Educational Fund (NPI 1528014164, New Orleans, LA); Marillac Community Health Centers (NPI 1043615446, New Orleans, LA); Florida Parishes Human Services Authority (NPI 1598194094, Slidell, LA); East Louisiana State Hospital (NPI 1043206543, Jackson, LA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 26, 2016
- **Other identifiers:** Medicaid 1049409 (LA); Medicare UPIN H75343 (LA); Medicare ID-Type Unspecified 4E725 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1487718136) · Data from the CMS NPPES public registry.