TASBIRUL ISLAM MD
NPI 1154598563
Internal Medicine - Critical Care Medicine in Barrington, IL
About Tasbirul Islam Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TASBIRUL ISLAM MD (NPI 1154598563) is an individual critical care medicine provider in Barrington, Illinois, licensed in Illinois (036163148) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 3
Other Identifiers 3
Accepted Insurance
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
Tasbirul Islam 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
5Medicare enrollment records show Tasbirul Islam reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Aurora, IL 60504
- Reassigned Medicare billing, Illinois enrollment
- 96 clinicians in this Medicare group
Lafayette, IN 47904
- Reassigned Medicare billing, Indiana enrollment
- 671 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILFranciscan Health Olympia & Chicago Heights
Acute Care Hospitals · Olympia Fields, ILAdvocate Good Shepherd Hospital
Acute Care Hospitals · Barrington, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60010 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 8
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.
BARRINGTON, IL 60010
BARRINGTON, IL 60010
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 Tasbirul Islam's NPI number?
The NPI number for Tasbirul Islam is 1154598563. It was assigned to this individual provider in the NPPES registry on May 14, 2008.
Where is Tasbirul Islam located?
Tasbirul Islam practices at 450 W Highway 22, Barrington, IL 60010. The listed phone number is (708) 283-5500.
What is Tasbirul Islam's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Tasbirul Islam enrolled in Medicare?
Yes. Tasbirul Islam 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 Tasbirul Islam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tasbirul Islam reassigns Medicare benefits to 5 organizations: Lutheran General Hospital (Park Ridge, IL), Central Dupage Physician Group (Carol Stream, IL), Critical Care Physicians Of Illinois LLC (Aurora, IL), Arnett Clinic, LLC (Lafayette, IN) and Iu Health Medical Group, LLC (Indianapolis, IN). 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 Tasbirul Islam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tasbirul Islam accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Anthem Blue Cross and Blue Shield and 2 other insurers list Tasbirul Islam 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.
Is Tasbirul Islam affiliated with any hospitals?
According to CMS data, Tasbirul Islam is affiliated with Northwestern Medicine Mchenry, Franciscan Health Olympia & Chicago Heights and Advocate Good Shepherd Hospital.
When was this NPI record last updated?
The NPPES record for Tasbirul Islam was last updated on April 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Tasbirul Islam, MD · NPI 1154598563
Critical Care Medicine physician in Barrington, Illinois. Individual provider, active in the CMS NPPES registry since May 14, 2008.
## Identity
- **NPI:** 1154598563 (Entity type: Individual)
- **Enumerated:** May 14, 2008
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 036163148 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 450 W HIGHWAY 22, Barrington, IL 60010-1919
- **Phone:** (708) 283-5500
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Lutheran General Hospital (NPI 1801809306, Park Ridge, IL); Central Dupage Physician Group (NPI 1033149844, Carol Stream, IL); Critical Care Physicians Of Illinois LLC (NPI 1508134966, Aurora, IL); Arnett Clinic, LLC (NPI 1881655090, Lafayette, IN); Iu Health Medical Group, LLC (NPI 1326893777, Indianapolis, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** April 1, 2025
- **Other identifiers:** Medicaid 35198100 (WI); Other 000000773728 (IN); Medicaid 201074340 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1154598563) · Data from the CMS NPPES public registry.