Dr. Timothy H. Chen, MD

Dr. Chen practices at San Francisco Endoscopy Center in San Francisco, California.

Dr. Chen's NPI, 1699017707, was assigned on March 27, 2013. Dr. Chen graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 2013. Dr. Chen holds California license A136216.

Dr. Chen's primary practice is San Francisco Endoscopy Center, at 3468 California Street, San Francisco, CA 94118. The practice phone is (415) 345-0100.

Dr. Chen's primary practice is San Francisco Endoscopy Center in San Francisco, California. Dr. Chen is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Chen to 2 more hospitals, 2 group practices and clinics, 1 physician office and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 7 sites in all. Vendor and product names are available with a free account.

Gastroenterology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Chen is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Chen is licensed in California.

CMS data shows 1,148 Medicare services from Dr. Chen across 10 procedure codes in 2024, for 511 Medicare patients. Medicare paid $112,634 for them.

CMS counts 511 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 223 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 47% are also on Medicaid. Their average risk score is 1.61, 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 66, with 49% women.

In 2024, Dr. Chen wrote 993 Medicare Part D claims for 521 patients. 81% of them were for generic drugs. CMS names the drug for 869 of them, across 16 drugs with 11 or more claims each, at $152,162 in total drug cost. In 2023, CMS named 754 claims across 13 drugs.

Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth. CMS counts 232 procedures of colonoscopy by Dr. Chen, more than 95% of the clinicians it reports for that procedure.

Dmand AI links 6 papers to Dr. Chen, published from 2005 to 2013. 2013 was the busiest year, with 2. The most frequent topics are Cells, Cultured, Hydroxymethylglutaryl-CoA Reductase Inhibitors and Patient Compliance. Dr. Chen's most frequent co-authors are Timothy Bing-Tee Chen, MD and Mark Andrew Walshauser, MD.

CMS Open Payments shows 481 general payments to Dr. Chen from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $2,669.

Dr. Chen graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 2013.

Dr. Chen is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.