MR. JOSEPH A POSLUSZNY MD
NPI 1487862652
Surgery - Surgical Critical Care in Chicago, IL
About Mr. Joseph A Posluszny Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JOSEPH A POSLUSZNY MD (NPI 1487862652) is an individual surgical critical care provider in Chicago, Illinois, licensed in Illinois (036.122305) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Uh Regional Hospitals, and is a graduate of Other (2006).
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 and accepts Medicare assignment
Mr. Joseph A Posluszny 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 Reassignment
Medicare enrollment records show Joseph Posluszny reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cleveland, OH 44106
- Reassigned Medicare billing, Ohio enrollment
- 3,958 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Uh Regional Hospitals
Acute Care Hospitals · Chardon, OHUh St John Medical Center
Acute Care Hospitals · Westlake, OHUh Cleveland Medical Center
Acute Care Hospitals · Cleveland, OHUniversity Hospitals Ahuja Medical Center
Acute Care Hospitals · Beachwood, OHReferred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
CHICAGO, IL 60611
CHICAGO, IL 60611
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 Joseph Posluszny's NPI number?
The NPI number for Joseph Posluszny is 1487862652. It was assigned to this individual provider in the NPPES registry on May 19, 2007.
Where is Joseph Posluszny located?
Joseph Posluszny practices at 680 N Lake Shore Dr Suite 1000, Chicago, IL 60611. The listed phone number is (312) 695-3988.
What is Joseph Posluszny's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.
Is Joseph Posluszny enrolled in Medicare?
Yes. Joseph Posluszny 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 organization bills Medicare for Joseph Posluszny's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Posluszny reassigns Medicare benefits to University Hospitals Medical Group Inc (Cleveland, OH). 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 Joseph Posluszny's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Posluszny accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Joseph Posluszny 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 Joseph Posluszny affiliated with any hospitals?
According to CMS data, Joseph Posluszny is affiliated with Uh Regional Hospitals, Uh St John Medical Center, Uh Cleveland Medical Center and University Hospitals Ahuja Medical Center.
When was this NPI record last updated?
The NPPES record for Joseph Posluszny was last updated on January 27, 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.