Dr. Aaron Joseph Ahearn, MD, PhD

Dr. Ahearn practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.

Dr. Ahearn's NPI, 1588839997, was assigned on April 25, 2008. Dr. Ahearn graduated from University of Maryland School of Medicine - Baltimore in 2006. Dr. Ahearn's California license number on file is A103008.

Dr. Ahearn's primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.

Dr. Ahearn's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Ahearn to 1 more group practice or clinic, 1 other site and 1 urgent care center, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahearn practices, 4 sites in all. Vendor and product names are available with a free account.

Transplant surgery is Dr. Ahearn's primary specialty in the NPI Registry, under taxonomy code 204F00000X. Dr. Ahearn is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Ahearn's licenses on file in 3 states: California, Nevada and Massachusetts.

Dmand AI lists acute gallbladder or bile duct inflammation and kidney transplant among the conditions Dr. Ahearn treats.

CMS data shows 122 Medicare services from Dr. Ahearn across 1 procedure code in 2024, for 48 Medicare patients. Medicare paid $7,956 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 48 Medicare patients who saw Dr. Ahearn in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 63% are also on Medicaid. Their average risk score is 4.50, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ahearn's median patient age at 58, with 41% women.

In 2024, Dr. Ahearn wrote 226 Medicare Part D claims for 15 patients. 83% of them were for generic drugs. CMS names the drug for 87 of them, across 6 drugs with 11 or more claims each, at $17,755 in total drug cost. In 2023, CMS named 81 claims across 5 drugs.

Dr. Ahearn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ahearn as offering telehealth.

Dmand AI links 4 papers to Dr. Ahearn, published from 2011 to 2020. Dr. Ahearn's most frequent co-authors are Linda Sue Sher, MD, Emily Blodget, BAO, BCH, MB, MD and Juliet Ann Emamaullee, MD, PhD.

CMS Open Payments shows 9 general payments to Dr. Ahearn from 5 drug and device companies from 2019 to 2025. Travel and lodging make up the largest share, 96% of the total. TransMedics, Inc. paid the most, $5,083.

Dmand AI lists 2 awards for Dr. Ahearn, most recently CMS Stage 1 EHR in 2013.

Dr. Ahearn graduated from University of Maryland School of Medicine - Baltimore in 2006. Dr. Ahearn is a member of ACS.

Dr. Ahearn is in network with 11 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.