BASSAM OSMAN, MD, SC, LTD
NPI 1245437839
Psychiatry & Neurology - Neurology in Chicago, IL
About Bassam Osman, Md, Sc, Ltd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BASSAM OSMAN, MD, SC, LTD (NPI 1245437839) is a healthcare organization registered as a neurology in Chicago, Illinois and active in the NPI registry since June 2007. The organization lists Bassam Osman, Physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Bassam Osman, Md, Sc, Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Bassam Osman, MD, Sc, Ltd, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Bassam Osman, MD, Sc, Ltd's NPI number?
The NPI number for Bassam Osman, MD, Sc, Ltd is 1245437839. It was assigned to this organization in the NPPES registry on June 28, 2007.
Where is Bassam Osman, MD, Sc, Ltd located?
Bassam Osman, MD, Sc, Ltd is located at 2525 S Michigan Ave, Chicago, IL 60616. The listed phone number is (630) 715-9327.
What is Bassam Osman, MD, Sc, Ltd's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Bassam Osman, MD, Sc, Ltd enrolled in Medicare?
Yes. Bassam Osman, MD, Sc, Ltd is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Bassam Osman, MD, Sc, Ltd?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurology) reassigns their Medicare billing to Bassam Osman, MD, Sc, 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Bassam Osman, MD, Sc, Ltd was last updated on October 3, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Bassam Osman, Md, Sc, Ltd · NPI 1245437839
Neurology organization in Chicago, Illinois. Organization record, active in the CMS NPPES registry since June 28, 2007.
## Identity
- **NPI:** 1245437839 (Entity type: Organization)
- **Enumerated:** June 28, 2007
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **Organization subpart:** No
- **Authorized official:** Bassam Osman, PHYSICIAN
## Practice location
- **Address:** 2525 S MICHIGAN AVE, Chicago, IL 60616-2333
- **Phone:** (630) 715-9327 · **Fax:** (630) 762-1149
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Neurology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 3, 2013
- **Other identifiers:** Medicare ID-Type Unspecified 210142 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1245437839) · Data from the CMS NPPES public registry.