LUAY M ALMASSALHA MD PHD
NPI 1245790815
Internal Medicine in Chicago, IL
About Luay M Almassalha Md Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LUAY M ALMASSALHA MD PHD (NPI 1245790815) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125.073720) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Luay M Almassalha Md Phd 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 Luay Almassalha reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Palos Community Hospital
Acute Care Hospitals · Palos Heights, ILNorthwestern Memorial Hospital
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred 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 Luay Almassalha's NPI number?
The NPI number for Luay Almassalha is 1245790815. It was assigned to this individual provider in the NPPES registry on March 20, 2019.
Where is Luay Almassalha located?
Luay Almassalha practices at 251 E Huron St, Chicago, IL 60611. The listed phone number is (312) 926-2000.
What is Luay Almassalha's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Luay Almassalha enrolled in Medicare?
Yes. Luay Almassalha 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 Luay Almassalha's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Luay Almassalha reassigns Medicare benefits to Northwestern Medical Faculty Foundation (Carol Stream, IL). 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 Luay Almassalha's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Luay Almassalha affiliated with any hospitals?
According to CMS data, Luay Almassalha is affiliated with Palos Community Hospital and Northwestern Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Luay Almassalha was last updated on June 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Luay M Almassalha, MD PHD · NPI 1245790815
Internal Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since March 20, 2019.
## Identity
- **NPI:** 1245790815 (Entity type: Individual)
- **Enumerated:** March 20, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 125.073720 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 251 E HURON ST, Chicago, IL 60611-3055
- **Phone:** (312) 926-2000
## 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:** Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 2019
## Record status
- **NPPES last updated:** June 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1245790815) · Data from the CMS NPPES public registry.