Summary

Dr. Patrick Brennan specializes in surgery and critical care medicine, bringing nearly three decades of medical expertise to his practice. He earned his medical degree from the University of Wisconsin School of Medicine & Public Health and completed his residency training at Loyola University Medical Center. With 29 years of experience treating patients, Dr. Brennan provides comprehensive surgical care. He is fluent in English.

Dr. Brennan is affiliated with ThedaCare Medical Center of Neenah and practices across multiple locations in Wisconsin, including Neenah, New London, and Waupaca. He focuses on treating conditions such as colon polyps, acid reflux, and ventral hernias. His procedural expertise includes performing colonoscopies and lower gastrointestinal examinations. Patients have given Dr. Brennan an average rating of 3.4 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.4
  • 29 years of experience
  • 39 insurance plans accepted
  • speaks English
  • Loyola University Medical Center
  • 4 written reviews
  • 3 specialties
  • 20 areas of expertise
  • 3 board certifications
  • 1 hospital affiliation
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Patrick James Brennan has 4 locations

Surgical Associates Of Neenah Sc

100 Theda Clark Med Plz # 400Neenah, WI 54956
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 4:00 pm
SatClosed
SunClosed

Surgical Associates Of Neenah Sc

1405 MILL ST FL 2NEW LONDON, WI 54961
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 4:00 pm
SatClosed
SunClosed

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Dr. Patrick James Brennan, MD
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Dr. Patrick James Brennan, MDDr. Lisa Mary Kokontis, MDDr. Michael Charles Beckett, MDDr. Raul R Garcia, MD
SurgeryNeurologyInternal MedicineInternal Medicine
Accepts New Patients
3.4 
4.8 
29 Years of Experience 34 Years of Experience 24 Years of Experience 37 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks Spanish, English Speaks English Speaks English
Neenah , WINeenah , WINeenah , WIOshkosh , WI
Med School: University Of Wisconsin School Of Medicine & Public Health Med School: University Of Iowa Med School: University Of Iowa Med School: University Of The Philippines Manila College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Patrick James Brennan

  • Accepts Medicaid
  • Aetna
  • Allegiance Life and Health
  • AmeriGroup
  • APWU
  • Arise Health Plan
  • Assurant Health
  • Blue Cross Blue Shield
  • Cenpatico
  • CHAMPVA
  • Cigna
  • Common Ground Healthcare Cooperative
  • Dean Health Plan
  • Golden Rule
  • Group Health Cooperative of Eau Claire
  • Group Health Cooperative of Eau Claire - Medicaid (Managed)
  • HealthPartners
  • HealthScope Benefits
  • Humana
  • Medica
  • Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • MVP Health Care
  • Network Health Plan
  • Physicians Mutual
  • PreferredOne
  • STLDentalPlan| LLC
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare Oxford
  • UnitedHealthOne
  • Unity Health Insurance
  • WPS Health Plan

Medical Specialties

Dr. Patrick James Brennan has the following 3 specialties

Specialty Expertise

Dr. Patrick James Brennan has the following 20 areas of expertise

  • Appendectomy
  • Breast Cancer
  • Breast Surgery (Mammaplasty)
  • Colon Cancer
  • Colonoscopy
  • Colorectal Cancer
  • Colorectal Surgery
  • Critical Care Medicine
  • Galbladder Removal (Cholecystectomy)
  • Gastrointestinal Cancer
  • Gastrointestinal Endoscopy
  • Heartburn
  • Laparoscopic Surgery (Laparoscopy)
  • Metastatic Breast Cancer
  • Other
  • Rectal Cancer
  • Rectal Prolapse
  • Thyroid Cancer
  • Vascular Disease
  • Vascular Malformations

Certifications, License, & Education

29 Years Experience

Dr. Patrick James Brennan holds an active medical license in the state of Wisconsin.

Medical License

Medical Doctor with an active medical license in the state of Wisconsin that expires in 2027.

Education & Training

Residency

Completed their residency at Loyola University Medical Center.

Medical School

Graduated from University Of Wisconsin School Of Medicine & Public Health in 1997.

NPI Number

Dr. Brennan's NPI number is 1104876945.

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Frequently Asked Questions

Where is Dr. Patrick Brennan's office located?
Dr. Patrick Brennan's office is located at 100 Theda Clark Med Plz # 400, Neenah, WI, 54956.
Does Dr. Patrick Brennan accept virtual/telehealth appointments?
Dr. Patrick Brennan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Patrick Brennan speak?
Dr. Patrick Brennan speaks English.
Which hospitals is Dr. Patrick Brennan affiliated with?
Dr. Patrick Brennan is affiliated with ThedaCare Medical Center Of Neenah.
Does Dr. Patrick Brennan accept my insurance?
You can see the insurance plans that Dr. Patrick Brennan accepts on their Vitals profile.

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