5
1 Rating
Summary
Dr. Dennis O'Brien is an oncologist who has dedicated 25 years to caring for patients with cancer and blood disorders. He earned his medical degree from the University of Cincinnati College of Medicine and brings extensive experience to his practice. Dr. O'Brien is fluent in English and provides comprehensive cancer care to patients throughout his career.
Dr. O'Brien is affiliated with Lutheran Hospital and practices at locations in Fort Wayne and Carmel, Indiana. He treats patients with conditions such as iron deficiency anemia and sleep-related disorders. His expertise includes performing complete blood counts and iron level testing to help diagnose and monitor various health conditions. Patients have given him an average rating of 5.0, reflecting their confidence in his care.
Dr. O'Brien is affiliated with Lutheran Hospital and practices at locations in Fort Wayne and Carmel, Indiana. He treats patients with conditions such as iron deficiency anemia and sleep-related disorders. His expertise includes performing complete blood counts and iron level testing to help diagnose and monitor various health conditions. Patients have given him an average rating of 5.0, reflecting their confidence in his care.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 25 years of experience
- 30 insurance plans accepted
- speaks English
- University Of Cincinnati College Of Medicine
- 3 specialties
- 5 areas of expertise
- 1 hospital affiliation
- 2 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dennis M O'brien has 2 locationsRiley Pediatric Hematology & Oncology - Fort Wayne - Parkview Regional Medical Center
11104 Parkview Cir Suite 050Fort Wayne, IN 46845 Tel: (317) 688-4673
Mon7:30 am - 4:30 pm
Tue7:30 am - 4:30 pm
Wed7:30 am - 4:30 pm
Thu7:30 am - 4:30 pm
Fri7:30 am - 4:30 pm
SatClosed
SunClosed
Riley Pediatric Hematology & Oncology - Carmel - IU Health North Hospital
11700 N Meridian St Ste C240Carmel, IN 46032 Tel: (317) 688-4673
Mon7:30 am - 4:30 pm
Tue7:30 am - 4:30 pm
Wed7:30 am - 4:30 pm
Thu7:30 am - 4:30 pm
Fri7:30 am - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dennis M O'brien JR., MD | Dr. Sarah Yue Wang, MD | Dr. Michael Epstein, MD | Lauren Anne Boyles |
| Oncology | Oncology | Oncology | Nurse Practitioner |
| Accepts New Patients | |||
| 25 Years of Experience | 26 Years of Experience | 41 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish | Speaks Russian, Spanish | |
| Fort Wayne , IN | Nacogdoches , TX | Fort Wayne , IN | Fort Wayne , IN |
| Med School: University Of Cincinnati College Of Medicine | Med School: Zhongshan School Of Medicine Sun Yat-Sen University | Med School: Rostov State Medical University | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dennis M O'brien
Medical Specialties
Dennis M O'brien has the following 3 specialties
Specialty Expertise
Dennis M O'brien has the following 5 areas of expertise
Certifications, License, & Education
25 Years Experience
Dennis M O'brien holds an active medical license in the state of Indiana.
Medical License
Medical Doctor with an active medical license in the state of Indiana that expires in 2027.
Education & Training
Medical School
Graduated from University Of Cincinnati College Of Medicine in 2001.
NPI Number
Dennis M O'brien's NPI number is 1568673903.
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Frequently Asked Questions
- Is Dennis O'brien accepting new patients?
- Dennis O'brien is accepting new patients on Vitals. View Dennis O'brien's profile on Vitals to make an appointment.
- Does Dennis O'brien accept my insurance?
- You can see the insurance plans that Dennis O'brien accepts on their Vitals profile.
- Which hospitals is Dennis O'brien affiliated with?
- Dennis O'brien is affiliated with Lutheran Hospital.
- Where is Dennis O'brien's office located?
- Dennis O'brien's office is located at 11104 Parkview Cir Suite 050, Fort Wayne, IN, 46845.
- What languages does Dennis O'brien speak?
- Dennis O'brien speaks English.
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