Helena Chih-Hua Chang

Helena Chang practices at Permanente Medical Group Inc in Santa Clara, California.

Helena Chang's NPI, 1366731887, was assigned on April 5, 2011. Helena Chang graduated from University of Wisconsin-Madison in 2011. Helena Chang's Washington license number on file is 60751346.

Helena Chang's primary practice is Permanente Medical Group Inc, at 710 Lawrence Expy, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 851-1000.

Helena Chang's primary practice is Permanente Medical Group Inc in Santa Clara, California. Helena Chang is also affiliated with Santa Clara Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Helena Chang 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 Helena Chang practices, 2 sites in all. Vendor and product names are available with a free account.

Urology is Helena Chang's primary specialty in the NPI Registry, under taxonomy code 208800000X. Helena Chang is board certified in urology by the American Board of Urology. Dmand AI has Helena Chang's licenses on file in 2 states: Washington and California.

Dmand AI lists urinary endoscopy among the conditions Helena Chang treats.

Across all payers, Dmand AI patient panel data puts Helena Chang's median patient age at 70, with 45% women.

In 2024, Helena Chang wrote 739 Medicare Part D claims for 295 patients. 94% of them were for generic drugs. CMS names the drug for 658 of them, across 16 drugs with 11 or more claims each, at $39,636 in total drug cost. In 2023, CMS named 673 claims across 15 drugs.

Helena Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 7 papers to Helena Chang, published from 2016 to 2020. 2016 was the busiest year, with 2. The most frequent topics are Kidney Calculi, Radiation Exposure and Radiation Injuries. Helena Chang has published most often in J Endourol. Helena Chang's most frequent co-authors are Brian Donald Duty, MD, Marshall L. Stoller, MD and Roger Lu Sur, MD.

CMS Open Payments shows 12 general payments to Helena Chang from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $758.

Helena Chang graduated from University of Wisconsin-Madison in 2011.

Helena Chang is in network with 3 carriers, including Elevance, Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.