A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
- Currently 3.5 of 4 stars
The overall average patient rating of Dr. Denis O'Brien is Excellent. Dr. O'Brien has been reviewed by 8 patients who have provided 6 comments. The rating is 3.5 out of 4 stars.
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Education & Awards
Dr. O'Brien graduated from Georgetown University, Washington. He has 1 awards.
Dr. O'Brien has 2 hospital affiliations:
- Montgomery General Hospital
- Howard County General Hospital
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- United Healthcare - 2 plans
- Humana - 2 plans
- Cigna - 2 plans
- Priority Partners - 2 plans
- USA H & W Network - 1 plan
More Accepted Insurance
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- Additional Information
- Where does Dr. Denis P. O'Brien practice?
Dr. Denis O'Brien practices Orthopaedic Surgery near Olney, MD.
Additional practice locations include: Columbia, MD and Silver Spring, MD.
See Olney Orthopedic Surgeons.
- Similar Physician Names
- Dr. Tyson O'Brien, Dr. Sidney O'Brien, Dr. Sid O'Brien, Dr. Sydney O'Brien