DR. LEO A. PEI M.D.
NPI 1124027925
Pathology - Anatomic Pathology & Clinical Pathology in Baton Rouge, LA
About Dr. Leo A. Pei M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LEO A. PEI M.D. (NPI 1124027925) is an individual anatomic pathology & clinical pathology provider in Baton Rouge, Louisiana, licensed in Louisiana (MD.016115) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with North Oaks Medical Center, and is a graduate of Tulane University School Of Medicine (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
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
Dr. Leo A. Pei M.d. 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
4Medicare enrollment records show Leo Pei reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baton Rouge, LA 70816
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- 218 clinicians in this Medicare group
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- 310 clinicians in this Medicare group
New Orleans, LA 70112
- Reassigned Medicare billing, Louisiana enrollment
- 931 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 6
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.
North Oaks Medical Center
Acute Care Hospitals · Hammond, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70816 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 Leo Pei's NPI number?
The NPI number for Leo Pei is 1124027925. It was assigned to this individual provider in the NPPES registry on July 14, 2005.
Where is Leo Pei located?
Leo Pei practices at 17000 Medical Center Drive, Baton Rouge, LA 70816. The listed phone number is (225) 752-2470.
What is Leo Pei's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Leo Pei enrolled in Medicare?
Yes. Leo Pei 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 Leo Pei's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leo Pei reassigns Medicare benefits to 4 organizations: Ochsner Clinic LLC (Baton Rouge, LA), North Oaks Physician Group, LLC (Hammond, LA), North Oaks Medical Center, LLC (Hammond, LA) and Louisiana State University School Of Medicine In New Orleans Faculty G (New Orleans, 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 Leo Pei's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leo Pei accept?
Health plans from HMO Louisiana list Leo Pei 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 Leo Pei affiliated with any hospitals?
According to CMS data, Leo Pei is affiliated with North Oaks Medical Center.
When was this NPI record last updated?
The NPPES record for Leo Pei was last updated on November 5, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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. Leo A. Pei, M.D. · NPI 1124027925
Anatomic Pathology & Clinical Pathology physician in Baton Rouge, Louisiana. Individual provider, active in the CMS NPPES registry since July 14, 2005.
## Identity
- **NPI:** 1124027925 (Entity type: Individual)
- **Enumerated:** July 14, 2005
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** MD.016115 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 17000 MEDICAL CENTER DRIVE, Baton Rouge, LA 70816
- **Phone:** (225) 752-2470
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Ochsner Clinic LLC (NPI 1962972109, Baton Rouge, LA); North Oaks Physician Group, LLC (NPI 1144817487, Hammond, LA); North Oaks Medical Center, LLC (NPI 1972630705, Hammond, LA); Louisiana State University School Of Medicine In New Orleans Faculty G (NPI 1477582526, New Orleans, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 1981
## Record status
- **NPPES last updated:** November 5, 2008
- **Other identifiers:** Medicare PIN 5J9036629 (LA); Medicaid #15604 (MS); Medicare PIN 5J903 (LA); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1124027925) · Data from the CMS NPPES public registry.