JENNA MICHELE MARK
NPI 1821609462
Nurse Practitioner - Acute Care in Chicago, IL
About Jenna Michele Mark NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JENNA MICHELE MARK (NPI 1821609462) is an individual acute care provider in Chicago, Illinois, licensed in Illinois (209020806) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and is a graduate of University Of Michigan Medical School (2020).
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
Jenna Michele Mark 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 Reassignments
2Medicare enrollment records show Jenna Mark reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 635 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 2,237 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60637 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60637
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 Jenna Mark's NPI number?
The NPI number for Jenna Mark is 1821609462. It was assigned to this individual provider in the NPPES registry on August 16, 2020.
Where is Jenna Mark located?
Jenna Mark practices at 5841 S Maryland Ave # Mc3051, Chicago, IL 60637. The listed phone number is (773) 219-2011.
What is Jenna Mark's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Jenna Mark enrolled in Medicare?
Yes. Jenna Mark 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 organizations bill Medicare for Jenna Mark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jenna Mark reassigns Medicare benefits to 2 organizations: The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (Chicago, IL). Each 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 Jenna Mark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jenna Mark accept?
Health plans from Oscar Health list Jenna Mark 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 Jenna Mark affiliated with any hospitals?
According to CMS data, Jenna Mark is affiliated with The University Of Chicago Medical Center.
When was this NPI record last updated?
The NPPES record for Jenna Mark was last updated on August 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Jenna Michele Mark · NPI 1821609462
Acute Care physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since August 16, 2020.
## Identity
- **NPI:** 1821609462 (Entity type: Individual)
- **Enumerated:** August 16, 2020
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 209020806 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 5841 S MARYLAND AVE # MC3051, Chicago, IL 60637-1443
- **Phone:** (773) 219-2011
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The University Of Chicago Medical Center (NPI 1033218128, Chicago, IL); University Of Chicago (NPI 1821048786, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2020
## Record status
- **NPPES last updated:** August 16, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1821609462) · Data from the CMS NPPES public registry.