Dr. Wei-Chung Chen, MD

Dr. Chen practices at Pasadena Endoscopy Center in Pasadena, California.

Dr. Chen's NPI, 1699066381, was assigned on April 28, 2011. Dr. Chen graduated from UC San Diego School of Medicine in 2011. Dr. Chen holds California license A137336.

Dr. Chen's primary practice is Pasadena Endoscopy Center, at 55 West Valley Street, Pasadena, CA 91105. The practice phone is (626) 441-4231.

Dr. Chen's primary practice is Pasadena Endoscopy Center in Pasadena, California. Dr. Chen is also affiliated with Huntington Hospital. The medical group on file is Unio Specialty Care, Urology, Encinitas (formerly Genesis Healthcare Partners). Dmand AI also links Dr. Chen to 1 more group practice or clinic, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 3 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. Dmand AI has Dr. Chen's licenses on file in 2 states: California and Florida.

Dmand AI lists acid reflux, acute gallbladder or bile duct inflammation, acute gastroduodenitis, chronic indigestion, colonoscopy, fatty liver, gastroduodenitis and gastroenteritis among the conditions Dr. Chen treats.

CMS data shows 994 Medicare services from Dr. Chen across 12 procedure codes in 2024, for 351 Medicare patients. Medicare paid $84,389 for them.

CMS counts 351 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 149 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.96, 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 56% women.

In 2024, Dr. Chen wrote 352 Medicare Part D claims for 146 patients. 86% of them were for generic drugs. CMS names the drug for 208 of them, across 7 drugs with 11 or more claims each, at $108,686 in total drug cost. In 2023, CMS named 250 claims across 8 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Chen for performance year 2024, reported as part of a group. Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth. CMS counts 123 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Chen, more than 81% of the clinicians it reports for that procedure.

Dmand AI links 1 paper to Dr. Chen. Dr. Chen's most frequent co-author is Eamonn Martin Quigley, MD.

CMS Open Payments shows 252 general payments to Dr. Chen from 19 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $2,698.

Dr. Chen serves on ACG Training Committee and ACG Case Reports Journal.

Dr. Chen graduated from UC San Diego School of Medicine in 2011. Dr. Chen is a member of ACG and AGA.

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.