JAY ROBERT SHEN DO
NPI 1821654765
Internal Medicine - Critical Care Medicine in Chicago, IL
About Jay Robert Shen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAY ROBERT SHEN DO (NPI 1821654765) is an individual critical care medicine provider in Chicago, Illinois, licensed in Illinois (036161376) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Alexian Brothers Medical Center 1, and maintains a secondary practice location in Elk Grove Village.
NPPES Registry Identity
Specialties & Licenses
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
Jay Robert Shen Do 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 Jay Shen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60621
- Reassigned Medicare billing, Illinois enrollment
- 49 clinicians in this Medicare group
Elk Grove Village, IL 60007
- Reassigned Medicare billing, Illinois enrollment
- 29 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.
Alexian Brothers Medical Center 1
Acute Care Hospitals · Elk Grove Village, ILSt Alexius Medical Center
Acute Care Hospitals · Hoffman Estates, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60625 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.
CHICAGO, IL 60625
CHICAGO, IL 60625
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 Jay Shen's NPI number?
The NPI number for Jay Shen is 1821654765. It was assigned to this individual provider in the NPPES registry on May 16, 2019.
Where is Jay Shen located?
Jay Shen practices at 5140 N California Ave, Chicago, IL 60625. The listed phone number is (773) 878-8200.
What is Jay Shen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Jay Shen enrolled in Medicare?
Yes. Jay Shen 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 Jay Shen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jay Shen reassigns Medicare benefits to 2 organizations: Foundation For Emergency Services (Chicago, IL) and Alexian Brothers Medical Group Specialty Care (Elk Grove Village, IL). 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 Jay Shen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jay Shen affiliated with any hospitals?
According to CMS data, Jay Shen is affiliated with Alexian Brothers Medical Center 1 and St Alexius Medical Center.
When was this NPI record last updated?
The NPPES record for Jay Shen was last updated on June 10, 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.
# Jay Robert Shen, DO · NPI 1821654765
Critical Care Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since May 16, 2019.
## Identity
- **NPI:** 1821654765 (Entity type: Individual)
- **Enumerated:** May 16, 2019
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 036161376 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 5140 N CALIFORNIA AVE, Chicago, IL 60625-3645
- **Phone:** (773) 878-8200
## 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): Foundation For Emergency Services (NPI 1467468280, Chicago, IL); Alexian Brothers Medical Group Specialty Care (NPI 1275990061, Elk Grove Village, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Chicago College Of Osteopathy, class of 2019
## Record status
- **NPPES last updated:** June 10, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1821654765) · Data from the CMS NPPES public registry.