Individual Healthcare Provider
Debra Ann Walczak, CCNS
Provider's NPPES record last updated: April 11, 2008
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1235302167
- Primary Specialty
- Clinical Nurse Specialist — Transplantation
- Practice Location
- Chicago, Illinois
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 18, 2026, 1:43 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Clinical Nurse Specialist
Transplantation
Physician Assistants & Advanced Practice Nursing Providers
Definition to come...
Taxonomy code 364ST0500X Clinical Nurse Specialist
Physician Assistants & Advanced Practice Nursing Providers
A registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses and clinical experience, is expert in a specialty area of nursing practice within one or more of the components of direct patient/client care, consultation, education, research and administration.
Taxonomy code 364S00000X
Provider-Reported License Information
- Clinical Nurse Specialist (Illinois)
- 209006927
- Clinical Nurse Specialist (Illinois)
- 209006927
Practice Locations
Practice Location
1740 W Taylor St
Chicago, Illinois 60612-7232
Phone: (312) 996-6021
Record Information
- Enumeration Date
- April 11, 2008
- Provider's NPPES Record Last Updated
- April 11, 2008
- NPISignal NPPES Dataset
- August 2026
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