DR. LAEEQ S SHAMSUDDIN MD
NPI 1568524312
Internal Medicine - Critical Care Medicine in Mchenry, IL
About Dr. Laeeq S Shamsuddin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LAEEQ S SHAMSUDDIN MD (NPI 1568524312) is an individual critical care medicine provider in Mchenry, Illinois, licensed in Illinois (036110261) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains a secondary practice location in Huntley.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Laeeq S Shamsuddin 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
11Medicare enrollment records show Laeeq Shamsuddin reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Harvard, IL 60033
- Reassigned Medicare billing, Illinois enrollment
- 382 clinicians in this Medicare group
Elgin, IL 60123
- Reassigned Medicare billing, Illinois enrollment
- 99 clinicians in this Medicare group
Waukegan, IL 60085
- Reassigned Medicare billing, Illinois enrollment
- 166 clinicians in this Medicare group
Zion, IL 60099
- Reassigned Medicare billing, Illinois enrollment
- 253 clinicians in this Medicare group
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Rockford, IL 61107
- Reassigned Medicare billing, Illinois enrollment
- 2,127 clinicians in this Medicare group
Aurora, IL 60504
- Reassigned Medicare billing, Illinois enrollment
- 96 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Illinois and Wisconsin enrollments
- 671 clinicians in this Medicare group
Chicago, IL 60616
- Reassigned Medicare billing, Illinois enrollment
- 354 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 9
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILNorthwestern Lake Forest Hospital
Acute Care Hospitals · Lake Forest, ILJavon Bea Hospital
Acute Care Hospitals · Rockford, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILNorthwestern Medicine Kishwaukee Hospital
Acute Care Hospitals · Dekalb, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60050 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 18
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.
MCHENRY, IL 60050
MCHENRY, IL 60050
MCHENRY, IL 60050
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 Laeeq Shamsuddin's NPI number?
The NPI number for Laeeq Shamsuddin is 1568524312. It was assigned to this individual provider in the NPPES registry on December 15, 2006.
Where is Laeeq Shamsuddin located?
Laeeq Shamsuddin practices at 4201 W Medical Center Dr, Mchenry, IL 60050. The listed phone number is (815) 759-4530.
What is Laeeq Shamsuddin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Laeeq Shamsuddin enrolled in Medicare?
Yes. Laeeq Shamsuddin 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 Laeeq Shamsuddin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Laeeq Shamsuddin reassigns Medicare benefits to 11 organizations: Mercy Harvard Hospital Inc (Harvard, IL), Cep America Illinois Intensivists (Elgin, IL), Waukegan Clinic Corp (Waukegan, IL), City Of Hope Medical Group Of Illinois PLLC (Zion, IL), Rockford Health Physicians (Rockford, IL) and 6 more organizations, listed in the Medicare section above. 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 Laeeq Shamsuddin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Laeeq Shamsuddin accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Laeeq Shamsuddin 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 Laeeq Shamsuddin affiliated with any hospitals?
According to CMS data, Laeeq Shamsuddin is affiliated with Northwestern Medicine Mchenry, Northwestern Lake Forest Hospital, Javon Bea Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Medicine Kishwaukee Hospital.
When was this NPI record last updated?
The NPPES record for Laeeq Shamsuddin was last updated on February 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.