Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1396789509 Individual Practitioner Female Practitioner

Mary L Brennan , NP

Nurse Practitioner • Peoria, IL

Professional Overview & Biography Verified Profile Summary

Mary Brennan, NP is a registered healthcare professional specializing in Nurse Practitioner in Peoria, IL. Practice services are available at 5401 N KNOXVILLE AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

5401 N Knoxville Ave
Suite 119

Peoria, IL 616145098

Telephone 3096921700
Fax 3096921771
Associated Practice Facility / Clinic
🏢 Frank I Russo Facility NPI 1639140833

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Peoria, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.1 Yrs
State Avg: 10.4 Yrs
Regional Practice Density
182 Specialists

Practicing in Peoria, IL (4929 Statewide)

Telehealth Adoption Rate
29.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners
Dr. Stephen Thompson , MD

Obstetrics & Gynecology

NPI 1720039738

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 09, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 09, 2007

Registered at 5401 N KNOXVILLE AVE, SUITE 119, PEORIA, IL 616145098 (Tel: 3096921700)

📍
Updated Business Mailing Address July 09, 2007

Registered at PO BOX 9726, PEORIA, IL 616129726 (Tel: 3096718749)

👤
Provider Name / Credentials Updated July 09, 2007

Recorded as MARY BRENNAN, NP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 09, 2007

Nurse Practitioner

🟢
Initial NPI Registration & Enumeration June 16, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1396789509
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 16, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

Po Box 9726

Peoria, IL 616129726

Phone: 3096718749

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.