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Summary
Dr. Eileen O'Halloran specializes in oncology with focused expertise in surgical oncology, bringing 15 years of experience to cancer care. She earned her medical degree from Loyola University of Chicago Stritch School of Medicine and completed her residency at Loyola University Medical Center, establishing a strong foundation in comprehensive cancer treatment.
Dr. O'Halloran practices at Mercy Clinic Surgical Oncology at the David C Pratt Cancer Center in Saint Louis, Missouri, and maintains affiliations with Loyola University Medical Center. Her clinical focus centers on breast cancer treatment, including complex cases involving metastatic or recurrent breast cancer and specialized conditions like Paget disease of the breast. She performs sentinel lymph node biopsies and lymph node biopsies as part of her surgical expertise in cancer diagnosis and treatment.
Dr. O'Halloran practices at Mercy Clinic Surgical Oncology at the David C Pratt Cancer Center in Saint Louis, Missouri, and maintains affiliations with Loyola University Medical Center. Her clinical focus centers on breast cancer treatment, including complex cases involving metastatic or recurrent breast cancer and specialized conditions like Paget disease of the breast. She performs sentinel lymph node biopsies and lymph node biopsies as part of her surgical expertise in cancer diagnosis and treatment.
AI-generated from data on this provider profile.
Quick Facts
- 15 years of experience
- 20 insurance plans accepted
- Loyola University Medical Center
- 2 specialties
- 3 areas of expertise
- 1 hospital affiliation
- 1 office location
- Female
Office Location
Mercy Clinic Surgical Oncology - David C Pratt Cancer Center
607 S New Ballas Rd Ste 3100Saint Louis, MO 63141 Tel: (314) 251-1340
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  | |
| Dr. Eileen Anne O'halloran | Dr. Dennis Ian English, MD | Dr. Miriam Yunhee Kim, MD | Dr. Shruti Pandita, MD |
| Oncology | Orthopedic Surgery | Hematology | Oncology |
| Accepts New Patients | Accepts New Patients | ||
| 15 Years of Experience | 12 Years of Experience | 18 Years of Experience | 12 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Saint Louis , MO | St. LOUIS , MO | Saint Louis , MO | San Antonio , TX |
| Med School: Loyola University Of Chicago Stritch School Of Medicine | Med School: Loyola University Of Chicago Stritch School Of Medicine | Med School: Seoul National University College Of Medicine | Med School: American University Of The Caribbean School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Eileen Anne O'halloran
Medical Specialties
Dr. Eileen Anne O'halloran has the following 2 specialties
Specialty Expertise
Dr. Eileen Anne O'halloran has the following 3 areas of expertise
Certifications, License, & Education
15 Years Experience
MEDICAL LICENSE
Medical Doctor, Missouri, 2026, Expired
Medical Doctor, Illinois, 2026, Active
EDUCATION & TRAINING
Residency
Loyola University Medical Center
Medical School
Loyola University Of Chicago Stritch School Of MedicineGraduated in 2011
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Frequently Asked Questions
- Where is Dr. Eileen O'halloran's office located?
- Dr. Eileen O'halloran's office is located at 607 S New Ballas Rd Ste 3100, Saint Louis, MO, 63141.
- How can I make an appointment with Dr. Eileen O'halloran?
- You can find contact information for Dr. Eileen O'halloran here on Vitals.
- Does Dr. Eileen O'halloran accept virtual/telehealth appointments?
- Dr. Eileen O'halloran has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. Eileen O'halloran affiliated with?
- Dr. Eileen O'halloran is affiliated with Loyola University Medical Center.
- Does Dr. Eileen O'halloran accept my insurance?
- You can see the insurance plans that Dr. Eileen O'halloran accepts on their Vitals profile.
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