ASSOCIATES IN PULMONARY & CRITICAL CARE LTD
NPI 1558456525
Internal Medicine - Pulmonary Disease in Chicago, IL
About Associates In Pulmonary & Critical Care Ltd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASSOCIATES IN PULMONARY & CRITICAL CARE LTD (NPI 1558456525) is a healthcare organization registered as a pulmonary disease in Chicago, Illinois and active in the NPI registry since October 2006. The organization maintains a secondary practice location in Oak Brook and lists Ibrahim Majzoub, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Associates In Pulmonary & Critical Care Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
9Medicare enrollment records show 9 clinicians reassign Medicare billing to Associates In Pulmonary & Critical Care Ltd, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 7 within 10 miles. They are listed nearest first.
Clinicians, nearest first (9)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Associates In Pulmonary & Critical Care Ltd's NPI number?
The NPI number for Associates In Pulmonary & Critical Care Ltd is 1558456525. It was assigned to this organization in the NPPES registry on October 4, 2006.
Where is Associates In Pulmonary & Critical Care Ltd located?
Associates In Pulmonary & Critical Care Ltd is located at 1044 N Mozart St, Chicago, IL 60622. The listed phone number is (773) 292-1263.
What is Associates In Pulmonary & Critical Care Ltd's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Associates In Pulmonary & Critical Care Ltd enrolled in Medicare?
Yes. Associates In Pulmonary & Critical Care Ltd is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Associates In Pulmonary & Critical Care Ltd?
According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 5 Medicare specialties reassign their Medicare billing to Associates In Pulmonary & Critical Care Ltd. A 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 the clinician's services. The largest specialties are Nurse Practitioner (3), Pulmonary Disease (3) and Critical Care (Intensivists) (1). Of these, 2 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Associates In Pulmonary & Critical Care Ltd accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Associates In Pulmonary & Critical Care Ltd 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 Associates In Pulmonary & Critical Care Ltd was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Associates In Pulmonary & Critical Care Ltd · NPI 1558456525
Pulmonary Disease organization in Chicago, Illinois. Organization record, active in the CMS NPPES registry since October 4, 2006.
## Identity
- **NPI:** 1558456525 (Entity type: Organization)
- **Enumerated:** October 4, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **Organization subpart:** No
- **Authorized official:** Ibrahim Majzoub, PRESIDENT
## Practice location
- **Address:** 1044 N MOZART ST, Chicago, IL 60622-2789
- **Phone:** (773) 292-1263
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 9 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (3), Pulmonary Disease (3), Critical Care (Intensivists) (1); 2 practice at this address and 7 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 17, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1558456525) · Data from the CMS NPPES public registry.