DR. MARK S DWORKIN MD
NPI 1619963006
Internal Medicine - Infectious Disease in Burr Ridge, IL
About Dr. Mark S Dworkin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK S DWORKIN MD (NPI 1619963006) is an individual infectious disease provider in Burr Ridge, Illinois, licensed in Illinois (036-102140) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of Rush Medical College Of Rush University (1989).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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 S Dworkin 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 Reassignment
Medicare enrollment records show Mark Dworkin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Riverside, IL 60546
- Reassigned Medicare billing, Illinois enrollment
- 1,047 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 60527 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.
BURR RIDGE, IL 60527
BURR RIDGE, IL 60527
BURR RIDGE, IL 60527
BURR RIDGE, IL 60527
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 Dworkin's NPI number?
The NPI number for Mark Dworkin is 1619963006. It was assigned to this individual provider in the NPPES registry on September 21, 2005.
Where is Mark Dworkin located?
Mark Dworkin practices at 901 Mcclintock Dr Suite 202, Burr Ridge, IL 60527. The listed phone number is (888) 220-6432.
What is Mark Dworkin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Mark Dworkin enrolled in Medicare?
Yes. Mark Dworkin 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 Dworkin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Dworkin reassigns Medicare benefits to Cook County (Riverside, 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 Dworkin'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 Dworkin was last updated on April 23, 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.