Dr. Jefferson William Chen, MD, PhD

Dr. Chen practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Dr. Chen's NPI, 1992789747, was assigned on December 5, 2005. Dr. Chen graduated from The Johns Hopkins University School of Medicine in 1987. Dr. Chen's California license number on file is A45489.

Dr. Chen's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

Dr. Chen's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dr. Chen is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Neurosurgical Associates of Irvine.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 2 sites in all. Vendor and product names are available with a free account.

Neurological surgery is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Chen is board certified in neurocritical care by the American Board of Neurological Surgery. Dmand AI has Dr. Chen's licenses on file in 4 states: California, Arizona, Oregon and Texas.

CMS data shows 595 Medicare services from Dr. Chen across 13 procedure codes in 2024, for 198 Medicare patients. Medicare paid $53,427 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 198 Medicare patients who saw Dr. Chen in 2024. The largest group is 75 to 84, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.04, 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. Chen's median patient age at 68, with 45% women.

In 2024, Dr. Chen wrote 16 Medicare Part D claims. 100% of them were for generic drugs.

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

Dmand AI links 58 papers to Dr. Chen, published from 2010 to 2025. 2017 was the busiest year, with 13. The most frequent topics are Brain Injuries, Traumatic, Patient Education as Topic and Brain. Dr. Chen has published most often in World Neurosurg. Dr. Chen's most frequent co-authors are Ronald Sahyouni, MD, PhD, Diem Kieu Thi Tran, MD and Frank Pk Hsu, MD.

CMS Open Payments shows 2 general payments to Dr. Chen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. ClearPoint Neuro, Inc. paid the most, $53.

Dmand AI lists 1 award for Dr. Chen, most recently ARIISE AWARD in 2018.

Dr. Chen graduated from The Johns Hopkins University School of Medicine in 1987. Dr. Chen is a member of AANS, ACS, AMA, CNS and SCCM.

Dr. Chen is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.