MARK STEVEN FISHER MD
NPI 1699768739
Internal Medicine - Critical Care Medicine in Bannockburn, IL
About Mark Steven Fisher Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK STEVEN FISHER MD (NPI 1699768739) is an individual critical care medicine provider in Bannockburn, Illinois, licensed in Illinois (036063754) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark Steven Fisher Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Fisher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60015 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
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.
BANNOCKBURN, IL 60015
BANNOCKBURN, IL 60015
BANNOCKBURN, IL 60015
BANNOCKBURN, IL 60015
BANNOCKBURN, IL 60015
BANNOCKBURN, IL 60015
BANNOCKBURN, IL 60015
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 Mark Fisher's NPI number?
The NPI number for Mark Fisher is 1699768739. It was assigned to this individual provider in the NPPES registry on August 24, 2005.
Where is Mark Fisher located?
Mark Fisher practices at 2151 Waukegan Rd Suite 110, Bannockburn, IL 60015. The listed phone number is (847) 236-1300.
What is Mark Fisher's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Mark Fisher enrolled in Medicare?
Yes. Mark Fisher is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Fisher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Fisher reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, 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 Mark Fisher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mark Fisher was last updated on April 22, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.