Caitlin Michelle O'Neill

Caitlin O'Neill practices at USC Norris Cancer Hospital in Los Angeles, California.

Caitlin O'Neill's NPI, 1497174262, was assigned on April 9, 2014. Caitlin O'Neill graduated from Keck School of Medicine of USC in 2014. Caitlin O'Neill holds California license A141109.

Caitlin O'Neill's primary practice is USC Norris Cancer Hospital, at 1441 Eastlake Ave, Los Angeles, CA.

Caitlin O'Neill's primary practice is USC Norris Cancer Hospital in Los Angeles, California. Caitlin O'Neill is also affiliated with Los Angeles General Medical Center. The medical group on file is USC Care Medical Group. Dmand AI also links Caitlin O'Neill to 1 more hospital, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Caitlin O'Neill practices, 3 sites in all. Vendor and product names are available with a free account.

Internal medicine is Caitlin O'Neill's primary specialty in the NPI Registry, under taxonomy code 207RH0000X. The record also lists hematology. Caitlin O'Neill is board certified in hematology by the American Board of Internal Medicine. Caitlin O'Neill is licensed in California.

Dmand AI lists chronic anemia, deep vein thrombosis (DVT) and purpura and thrombocytopenia among the conditions Caitlin O'Neill treats.

CMS data shows 231 Medicare services from Caitlin O'Neill across 5 procedure codes in 2024, for 124 Medicare patients. Medicare paid $14,023 for them.

CMS counts 124 Medicare patients who saw Caitlin O'Neill in 2024. The largest group is 65 to 74, with 56 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 58% are also on Medicaid. Their average risk score is 3.42, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Caitlin O'Neill's median patient age at 62, with 48% women.

In 2024, Caitlin O'Neill wrote 127 Medicare Part D claims for 41 patients. 32% of them were for generic drugs. CMS names the drug for 82 of them, across 5 drugs with 11 or more claims each, at $716,743 in total drug cost. In 2023, CMS named 45 claims across 3 drugs.

Caitlin O'Neill accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Caitlin O'Neill as offering telehealth.

Dmand AI links 2 papers to Caitlin O'Neill, published from 2018 to 2024. Caitlin O'Neill's most frequent co-authors are Casey L. O'Connell, MD, Howard A. Liebman, MD and Ilene C. Weitz, MD.

CMS Open Payments shows 47 general payments to Caitlin O'Neill from 13 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 75% of the total. PharmaEssentia USA Corporation paid the most, $402.

Caitlin O'Neill graduated from Keck School of Medicine of USC in 2014.

Caitlin O'Neill is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.