Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Deborah A Guziatek-Karwan, CNP
Nurse Practitioner in Detroit, MI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811937360
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Registry record
Entity type Individual (Type 1)
Name Deborah A Guziatek-Karwan
Credential CNP
Sex Female
Practice address 4100 John R, Karmanos Cancer Center Midlevels, Detroit, MI, 48201
Phone (800) 527-6266
Fax (313) 576-8381
Enumeration date Jun 6, 2006
Last updated in NPPES Oct 6, 2016
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704144784 (MI) Primary
363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704144784 (MI) Secondary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Deborah Guziatek-Karwan?
The National Provider Identifier (NPI) for Deborah Guziatek-Karwan is 1811937360, a Type 1 (individual) record in the CMS NPPES registry.
Where does Deborah Guziatek-Karwan practice?
The practice location on file with NPPES is in Detroit, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Lawrence Lum Hematology & Oncology Physician · Detroit, MI NPI 1689671455 Robert Morris Gynecologic Oncology Physician · Detroit, MI NPI 1659342756 Ammar Sukari Medical Oncology Physician · Detroit, MI NPI 1013960384 Mary Kosir Surgery Physician · Detroit, MI NPI 1508803594 Lisa Lange Nurse Practitioner · Detroit, MI NPI 1497792485 Joseph Uberti Hematology & Oncology Physician · Detroit, MI NPI 1609813104 Courtney French Physician Assistant · Detroit, MI NPI 1043253750 Gerold Bepler Medical Oncology Physician · Detroit, MI NPI 1447280631
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-10-06.