DR. NIZAR OSMANI MD
NPI 1932789559
Emergency Medicine in Saint Louis, MO
About Dr. Nizar Osmani Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NIZAR OSMANI MD (NPI 1932789559) is an individual emergency medicine provider in Saint Louis, Missouri, licensed in Missouri (2025009498) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Christian Hospital Northeast, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Nizar Osmani 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
2Medicare enrollment records show Nizar Osmani reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63136
- Reassigned Medicare billing, Missouri enrollment
- 114 clinicians in this Medicare group
Tyler, TX 75701
- Reassigned Medicare billing, Texas enrollment
- 5,299 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.
Christian Hospital Northeast
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63136 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SAINT LOUIS, MO 63136
SAINT LOUIS, MO 63136
SAINT LOUIS, MO 63136
SAINT LOUIS, MO 63136
SAINT LOUIS, MO 63136
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 Nizar Osmani's NPI number?
The NPI number for Nizar Osmani is 1932789559. It was assigned to this individual provider in the NPPES registry on April 8, 2021.
Where is Nizar Osmani located?
Nizar Osmani practices at 11133 Dunn Rd Dept Emergency Med, Saint Louis, MO 63136. The listed phone number is (314) 362-9123.
What is Nizar Osmani's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nizar Osmani enrolled in Medicare?
Yes. Nizar Osmani 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 Nizar Osmani's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nizar Osmani reassigns Medicare benefits to 2 organizations: Washington University Community Specialists, LLC (Saint Louis, MO) and The University Of Texas Southwestern Medical Center At Dallas (Tyler, TX). 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 Nizar Osmani's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nizar Osmani affiliated with any hospitals?
According to CMS data, Nizar Osmani is affiliated with Christian Hospital Northeast.
When was this NPI record last updated?
The NPPES record for Nizar Osmani was last updated on May 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Nizar Osmani, MD · NPI 1932789559
Emergency Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since April 8, 2021.
## Identity
- **NPI:** 1932789559 (Entity type: Individual)
- **Enumerated:** April 8, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 2025009498 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 11133 DUNN RD, DEPT EMERGENCY MED, Saint Louis, MO 63136-6163
- **Phone:** (314) 362-9123 · **Fax:** (314) 747-9160
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Washington University Community Specialists, LLC (NPI 1922812254, Saint Louis, MO); The University Of Texas Southwestern Medical Center At Dallas (NPI 1417099599, Tyler, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** May 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1932789559) · Data from the CMS NPPES public registry.