MARK MEDERICH
NPI 1700648045
Social Worker - Clinical in Chicago, IL
About Mark Mederich NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK MEDERICH (NPI 1700648045) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149-005627) and active in the NPI registry since January 2024. He is enrolled in Medicare PECOS and is a graduate of Other (1984).
NPPES Registry Identity
Specialties & Licenses
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
Mark Mederich 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 Mederich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 129 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 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60645 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Mederich's NPI number?
The NPI number for Mark Mederich is 1700648045. It was assigned to this individual provider in the NPPES registry on January 23, 2024.
Where is Mark Mederich located?
Mark Mederich practices at 2815 W Pratt Blvd, Chicago, IL 60645. The listed phone number is (773) 844-6182.
What is Mark Mederich's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Mark Mederich enrolled in Medicare?
Yes. Mark Mederich 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 Mederich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Mederich reassigns Medicare benefits to Midwest Post Acute Care PLLC (Chicago, 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 Mederich'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 Mederich was last updated on January 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.