Dr. Robert O'Brian, M.D.'s direct phone number is available to Dmand AI subscribers. To access their direct number, start a free trial.

Dr. Robert O'Brian, M.D. is a Rheumatology Physician physician currently practicing at Eldersburg Arthritis LLC in Sykesville, Maryland. They hold admitting privileges at 1 hospital(s), including Eldersburg Arthritis LLC. To see all the affiliations of Dr. Robert O'Brian, M.D., start a free trial.

Dr. Robert O'Brian, M.D. is a board-certified Rheumatology Physician physician with a subspecialty in Rheumatology. They practice at Eldersburg Arthritis LLC in Sykesville, Maryland.

Dr. Robert O'Brian, M.D. performs procedures across 11000 clinical categories. Their most commonly billed procedures based on Medicare claims data include , , and . Full procedure and CPT code data is available to Dmand AI subscribers, start a free trial.

Dr. Robert O'Brian, M.D.'s National Provider Identifier (NPI) is 1730140724. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 207RR0500X, corresponding to Rheumatology Physician.

The EHR and practice technology used by Dr. Robert O'Brian, M.D. at Eldersburg Arthritis LLC is available to Dmand AI subscribers. Sign up for a free trial to unlock the full technology stack.

Dr. Robert O'Brian, M.D. accepts 0 insurance plans. A full list of accepted payers is available in the profile above.

Dr. Robert O'Brian, M.D. holds hospital privileges at 1 institution(s). Their primary affiliation is Eldersburg Arthritis LLC in Sykesville, Maryland.

Dr. Robert O'Brian, M.D.'s board certification details are available to Dmand AI subscribers.

Dr. Robert O'Brian, M.D.'s education history is available to Dmand AI subscribers.

Based on CMS Medicare Part B claims data, Dr. Robert O'Brian, M.D. served approximately 674 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

Dr. Robert O'Brian, M.D. is affiliated with ELDERSBURG ARTHRITIS LLC, a small (2–5 physician) practice with 2 physicians based in Sykesville, Maryland. The practice is independently owned.

Dr. Robert O'Brian, M.D. has 2 indexed publications on record and no active clinical trial listings were found at time of last verification. Their research activity is available to Dmand AI subscribers. Sign up for a free trial to unlock their full research activity.