Dr. Jonathan Aaron Praeger, MD

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

Dr. Praeger's NPI, 1083927503, was assigned on July 26, 2010. Dr. Praeger graduated from Semmelweis University in 2009. Dr. Praeger holds California license A143138.

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Praeger practices, 5 sites in all. Vendor and product names are available with a free account.

Thoracic surgery (cardiothoracic vascular surgery) is Dr. Praeger's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Praeger is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Praeger's licenses on file in 3 states: California, Nevada and Hawaii.

Dmand AI lists heart bypass surgery and heart valve surgery among the conditions Dr. Praeger treats.

CMS data shows 75 Medicare services from Dr. Praeger across 5 procedure codes in 2024, for 70 Medicare patients. Medicare paid $36,289 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 70 Medicare patients who saw Dr. Praeger in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have heart failure, and 75% have high blood pressure. 40% are also on Medicaid. Their average risk score is 3.16, 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. Praeger's median patient age at 66, with 32% women.

Dr. Praeger accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Praeger as offering telehealth. CMS counts 15 procedures of coronary artery bypass graft (cabg) by Dr. Praeger, more than 56% of the clinicians it reports for that procedure.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

CMS Open Payments shows 299 general payments to Dr. Praeger from 11 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 45% of the total. AtriCure, Inc. paid the most, $38,259.

Dr. Praeger graduated from Semmelweis University in 2009.

Dr. Praeger is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.