Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michelle Denise Mcquillan, DNP, FNP-BC
Nurse Practitioner in O'Fallon, IL · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1013533819
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Michelle Denise Mcquillan
Credential DNP, FNP-BC
Sex Female
Practice address 321 Regency Park, O'Fallon, IL, 62269
Phone (618) 416-7970
Fax (618) 416-7971
Enumeration date Jun 18, 2020
Last updated in NPPES Dec 13, 2024
Taxonomy & licenses
363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209021778 (IL) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209.021778 (IL) Primary
DNP · Doctor of Nursing Practice: A clinical doctorate for advanced practice nurses.
About the DNP credential
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
Where does Michelle Mcquillan practice?
The practice location on file with NPPES is in O'Fallon, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michelle Mcquillan?
The National Provider Identifier (NPI) for Michelle Mcquillan is 1013533819, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-13.