Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Michelle Denise McQuillan, DNP, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1013533819

Michelle Denise McQuillan, DNP, FNP-BC is a Nurse Practitioner in O Fallon, Illinois. Graduated from Southern Illinois University School of Medicine in 2020, 6 years ago. Practices with Memorial Hospital, a 30-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
6
Trained at
Southern Illinois University School of Medicine
Licensed in
IL
In the registry since
2020
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

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Practice location Address checks out

321 Regency Park
O Fallon, IL 62269
Phone: (618) 416-7970
Fax: (618) 416-7971
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 9515 Holy Cross Ln Ste 6, Breese, IL 62230-3618 — (618) 526-8585
  • 1052 M L King Dr Ste 2, Centralia, IL 62801-3002 — (618) 436-5410
  • 213 Nw 10th St Ste D, Fairfield, IL 62837-1219 — (217) 329-3232

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 209.021778 (IL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 209021778 (IL)

Record details

NPI number1013533819
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , FNP-BC
Sole proprietorNo
NPI enumeratedJune 18, 2020
Last updated in NPPESDecember 13, 2024
Certification dateDecember 13, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2020 (6 years in practice)
Group practice Memorial Hospital — 30 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in O Fallon