Dr. Si Chen, MD

Dr. Chen practices at Santa Barbara Cottage Hospital in Santa Barbara, California, part of Cottage Health.

Dr. Chen's NPI, 1467794180, was assigned on March 20, 2013. Dr. Chen graduated from St. George's University School of Medicine in 2012. Dr. Chen holds California license A138141.

Dr. Chen's primary practice is Santa Barbara Cottage Hospital, at 400 West Pueblo, Santa Barbara, CA 93105 in Santa Barbara County. The practice phone is (805) 682-7111.

Dr. Chen's primary practice is Santa Barbara Cottage Hospital in Santa Barbara, California, part of Cottage Health. Dr. Chen is also affiliated with Goleta Valley Cottage Hospital. The medical group on file is Cottage Medical Group. Dmand AI also links Dr. Chen to 5 more hospitals, 7 medical groups 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. Chen practices, 8 sites in all. Vendor and product names are available with a free account.

Internal medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Chen's licenses on file in 3 states: California, Hawaii and New York.

Dmand AI lists acid reflux, acute diabetes, acute respiratory failure, acute stomach ulcer, atherosclerosis, atrial fibrillation and flutter, bile duct problems and cardiac arrhythmia among the conditions Dr. Chen treats.

CMS data shows 988 Medicare services from Dr. Chen across 6 procedure codes in 2024, for 312 Medicare patients. Medicare paid $98,375 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 312 Medicare patients who saw Dr. Chen in 2024. The largest group is 75 to 84, with 117 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 48% are also on Medicaid. Their average risk score is 2.91, 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 51, with 56% women.

In 2024, Dr. Chen wrote 356 Medicare Part D claims for 115 patients. 86% of them were for generic drugs. CMS names the drug for 93 of them, across 7 drugs with 11 or more claims each, at $2,636 in total drug cost. In 2023, CMS named 101 claims across 7 drugs.

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

Dmand AI links 95 papers to Dr. Chen, published from 2012 to 2024. 2015 was the busiest year, with 13. The most frequent topics are Hep G2 Cells, Hepatocytes and Apoptosis. Dr. Chen has published most often in Arch Toxicol. Dr. Chen's most frequent co-authors are Jie Deng, MD, PhD, Orin Bloch, MD and Andy Yu-How Chang.

CMS Open Payments shows 6 general payments to Dr. Chen from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $121.

Dr. Chen graduated from St. George's University School of Medicine in 2012. Dr. Chen is a member of ACP.

Dr. Chen is in network with 9 carriers, including Highmark, United Healthcare and LA Care. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.