HANNAH ELIZABETH GIELCZYK DNP, FNP-C
NPI 1851023519
Nurse Practitioner - Family in Chicago, IL
About Hannah Elizabeth Gielczyk Dnp, Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HANNAH ELIZABETH GIELCZYK DNP, FNP-C (NPI 1851023519) is an individual family provider in Chicago, Illinois, licensed in Illinois (209026057) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Hannah Elizabeth Gielczyk Dnp, Fnp-c 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
3Medicare enrollment records show Hannah Gielczyk reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60608
- Reassigned Medicare billing, Illinois enrollment
- 113 clinicians in this Medicare group
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.
Areas of Expertise CMS Part B claims
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.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILBronson Methodist Hospital
Acute Care Hospitals · Kalamazoo, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60608 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.
CHICAGO, IL 60608
CHICAGO, IL 60608
CHICAGO, IL 60608
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 Hannah Gielczyk's NPI number?
The NPI number for Hannah Gielczyk is 1851023519. It was assigned to this individual provider in the NPPES registry on June 29, 2022.
Where is Hannah Gielczyk located?
Hannah Gielczyk practices at 1220 S Wood St, Chicago, IL 60608. The listed phone number is (312) 996-2000.
What is Hannah Gielczyk's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Hannah Gielczyk enrolled in Medicare?
Yes. Hannah Gielczyk 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 Hannah Gielczyk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Gielczyk reassigns Medicare benefits to 3 organizations: The Board Of Trustees Of The University Of Illinois (Chicago, IL), 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 Hannah Gielczyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Hannah Gielczyk affiliated with any hospitals?
According to CMS data, Hannah Gielczyk is affiliated with The University Of Chicago Medical Center and Bronson Methodist Hospital.
When was this NPI record last updated?
The NPPES record for Hannah Gielczyk was last updated on June 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Hannah Elizabeth Gielczyk, DNP, FNP-C · NPI 1851023519
Family physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since June 29, 2022.
## Identity
- **NPI:** 1851023519 (Entity type: Individual)
- **Enumerated:** June 29, 2022
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 209026057 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1220 S WOOD ST, Chicago, IL 60608-1202
- **Phone:** (312) 996-2000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): The Board Of Trustees Of The University Of Illinois (NPI 1669493466, Chicago, IL); 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 Illinois College Of Med, class of 2022
## Record status
- **NPPES last updated:** June 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1851023519) · Data from the CMS NPPES public registry.