SLAWOMIR M KOSINSKI M.D.
NPI 1184661597
Allergy & Immunology - Allergy in Paterson, NJ
About Slawomir M Kosinski M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SLAWOMIR M KOSINSKI M.D. (NPI 1184661597) is an individual allergy provider in Paterson, New Jersey, licensed in New Jersey (25MA05790700) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with St Joseph's University Medical Center Inc, and is a graduate of Other (1972).
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 and accepts Medicare assignment
Slawomir M Kosinski 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
2Medicare enrollment records show Slawomir Kosinski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Paterson, NJ 07503
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: St Josephs Healthcare Inc
- 372 clinicians in this Medicare group
Paterson, NJ 07503
- Reassigned Medicare billing, New Jersey enrollment
- 317 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Joseph's University Medical Center Inc
Acute Care Hospitals · Paterson, NJOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PATERSON, NJ 07503
PATERSON, NJ 07503
PATERSON, NJ 07503
PATERSON, NJ 07503
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 Slawomir Kosinski's NPI number?
The NPI number for Slawomir Kosinski is 1184661597. It was assigned to this individual provider in the NPPES registry on June 2, 2006.
Where is Slawomir Kosinski located?
Slawomir Kosinski practices at 703 Main St St. Joseph's Regional Medical Center, Paterson, NJ 07503. The listed phone number is (973) 754-2000.
What is Slawomir Kosinski's specialty?
The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.
Is Slawomir Kosinski enrolled in Medicare?
Yes. Slawomir Kosinski 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 Slawomir Kosinski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Slawomir Kosinski reassigns Medicare benefits to 2 organizations: St. Joseph's Healthcare, Inc. (Paterson, NJ) and St Josephs Medical Group PC (Paterson, NJ). 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 Slawomir Kosinski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Slawomir Kosinski accept?
Health plans from Oscar Health list Slawomir Kosinski 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 Slawomir Kosinski affiliated with any hospitals?
According to CMS data, Slawomir Kosinski is affiliated with St Joseph's University Medical Center Inc.
When was this NPI record last updated?
The NPPES record for Slawomir Kosinski was last updated on March 19, 2009. 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.