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Daniel O'Brien is a Internal Medicine Physician physician currently practicing at Ronald Reagan UCLA Medical Center in Los Angeles, California. They hold admitting privileges at 1 hospital(s), including RONALD REAGAN UCLA MEDICAL CENTER. To see all the affiliations of Daniel O'Brien, start a free trial.

Daniel O'Brien is a board-certified Internal Medicine Physician physician. They practice at Ronald Reagan UCLA Medical Center in Los Angeles, California.

Daniel O'Brien performs procedures across 0 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.

Daniel O'Brien's National Provider Identifier (NPI) is 1023512431. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 207R00000X, corresponding to Internal Medicine Physician.

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Daniel O'Brien accepts 0 insurance plans. A full list of accepted payers is available in the profile above.

Daniel O'Brien holds hospital privileges at 1 institution(s). Their primary affiliation is RONALD REAGAN UCLA MEDICAL CENTER in Los Angeles, California.

Daniel O'Brien is board certified by American Board of Internal Medicine in Internal Medicine. They have maintained this certification since .

Daniel O'Brien received their medical degree from Keck School of Medicine of USC in 2018. They completed their residency at .

Based on CMS Medicare Part B claims data, Daniel O'Brien served approximately 0 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

Daniel O'Brien's group practice affiliation details are available to Dmand AI subscribers.

Daniel O'Brien has 0 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.