SAUMITRA BISWAS MD
NPI 1699861740
Pediatrics - Neonatal-Perinatal Medicine in Slidell, LA
About Saumitra Biswas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAUMITRA BISWAS MD (NPI 1699861740) is an individual neonatal-perinatal medicine provider in Slidell, Louisiana, licensed in Louisiana (350172) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
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
Saumitra Biswas 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
11Medicare enrollment records show Saumitra Biswas reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Slidell, LA 70458
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
Tyler, TX 75702
- Reassigned Medicare billing, Texas enrollment
- 2,745 clinicians in this Medicare group
Poplar Bluff, MO 63901
- Reassigned Medicare billing, Missouri enrollment
- 73 clinicians in this Medicare group
Joplin, MO 64804
- Reassigned Medicare billing, Missouri enrollment
- 562 clinicians in this Medicare group
Milwaukee, WI 53220
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 clinicians in this Medicare group
Wisconsin Rapids, WI 54494
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Staten Island, NY 10309
- Reassigned Medicare billing, New York enrollment
- 530 clinicians in this Medicare group
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Flagstaff, AZ 86004
- Reassigned Medicare billing, Arizona enrollment
- 552 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.
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.
SLIDELL, LA 70458
SLIDELL, LA 70458
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 Saumitra Biswas's NPI number?
The NPI number for Saumitra Biswas is 1699861740. It was assigned to this individual provider in the NPPES registry on October 5, 2006.
Where is Saumitra Biswas located?
Saumitra Biswas practices at 1001 Gause Blvd, Slidell, LA 70458. The listed phone number is (504) 842-3000.
What is Saumitra Biswas's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Saumitra Biswas enrolled in Medicare?
Yes. Saumitra Biswas 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 Saumitra Biswas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Saumitra Biswas reassigns Medicare benefits to 11 organizations: Ochsner Clinic LLC (Slidell, LA), Christus Trinity Clinic Texas (Tyler, TX), Butler Physician Services, LLC (Poplar Bluff, MO), Mercy Clinic Joplin LLC (Joplin, MO), Gundersen Lutheran Medical Center Inc (Milwaukee, WI) and 6 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 Saumitra Biswas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Saumitra Biswas accept?
Health plans from Blue Cross and Blue Shield of Texas, HMO Louisiana and Oscar Health Plan, Inc. list Saumitra Biswas 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 Saumitra Biswas was last updated on April 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Saumitra Biswas, MD · NPI 1699861740
Neonatal-Perinatal Medicine physician in Slidell, Louisiana. Individual provider, active in the CMS NPPES registry since October 5, 2006.
## Identity
- **NPI:** 1699861740 (Entity type: Individual)
- **Enumerated:** October 5, 2006
- **Primary specialty:** Pediatrics - Neonatal-Perinatal Medicine · taxonomy 2080N0001X
- **State license:** 350172 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 GAUSE BLVD, Slidell, LA 70458-2939
- **Phone:** (504) 842-3000
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Ochsner Clinic LLC (NPI 1245858828, Slidell, LA); Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX); Butler Physician Services, LLC (NPI 1982056545, Poplar Bluff, MO); Mercy Clinic Joplin LLC (NPI 1215264817, Joplin, MO); Gundersen Lutheran Medical Center Inc (NPI 1871222117, Milwaukee, WI); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1986
## Record status
- **NPPES last updated:** April 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1699861740) · Data from the CMS NPPES public registry.