ERIC WILLIAM HART M.D.
NPI 1568810208
Internal Medicine - Critical Care Medicine in Elgin, IL
About Eric William Hart M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIC WILLIAM HART M.D. (NPI 1568810208) is an individual critical care medicine provider in Elgin, Illinois, licensed in Illinois (036160676) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Advocate Sherman Hospital, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Eric William Hart M.d. 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 Eric Hart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1629441027 (Illinois)
- 4,870 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 15
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.
Advocate Sherman Hospital
Acute Care Hospitals · Elgin, ILNorthwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILPresence Saint Joseph Hospital - Elgin
Acute Care Hospitals · Elgin, ILAdvocate Lutheran General Hospital
Acute Care Hospitals · Park Ridge, ILAdvocate Good Shepherd Hospital
Acute Care Hospitals · Barrington, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60123 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ELGIN, IL 60123
ELGIN, IL 60123
ELGIN, IL 60123
ELGIN, IL 60123
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 Eric Hart's NPI number?
The NPI number for Eric Hart is 1568810208. It was assigned to this individual provider in the NPPES registry on June 2, 2016.
Where is Eric Hart located?
Eric Hart practices at 1710 N Randall Rd Ste 260, Elgin, IL 60123. The listed phone number is (847) 931-7900.
What is Eric Hart's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Eric Hart enrolled in Medicare?
Yes. Eric Hart 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 Eric Hart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Hart reassigns Medicare benefits to Advocate Health And Hospitals Corporation (Downers Grove, 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 Eric Hart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Hart accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Eric Hart 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 Eric Hart affiliated with any hospitals?
According to CMS data, Eric Hart is affiliated with Advocate Sherman Hospital, Northwestern Medicine Mchenry, Presence Saint Joseph Hospital - Elgin, Advocate Lutheran General Hospital and Advocate Good Shepherd Hospital.
When was this NPI record last updated?
The NPPES record for Eric Hart was last updated on October 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.