DR. MARK EDWARD DUBIN M.D.
NPI 1245202704
Internal Medicine - Gastroenterology in Hoffman Estates, IL
About Dr. Mark Edward Dubin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK EDWARD DUBIN M.D. (NPI 1245202704) is an individual gastroenterology provider in Hoffman Estates, Illinois, licensed in Illinois (036-078199) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Alexian Brothers Medical Center 1, and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Mark Edward Dubin 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 Mark Dubin 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
- 1,061 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 27
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 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 60169 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.
HOFFMAN ESTATES, IL 60169
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 Dubin's NPI number?
The NPI number for Mark Dubin is 1245202704. It was assigned to this individual provider in the NPPES registry on February 7, 2006.
Where is Mark Dubin located?
Mark Dubin practices at 2359 Hassell Rd, Hoffman Estates, IL 60169. The listed phone number is (847) 843-7030.
What is Mark Dubin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Mark Dubin enrolled in Medicare?
Yes. Mark Dubin 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 Mark Dubin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Dubin reassigns Medicare benefits to Dupage Medical Group Ltd (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 Mark Dubin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Dubin affiliated with any hospitals?
According to CMS data, Mark Dubin is affiliated with Alexian Brothers Medical Center 1 and St Alexius Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Dubin was last updated on August 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.