Dr. Anthony Ning-Tai Chan, MD

Dr. Chan practices at Castro Valley Center Imaging in Castro Valley, California.

Dr. Chan's NPI, 1285070235, was assigned on May 17, 2013. Dr. Chan graduated from University of Toledo College of Medicine and Life Sciences in 2013. Dr. Chan's California license number on file is A156682.

Dr. Chan's primary practice is Castro Valley Center Imaging, at 20101 Lake Chabot Rd., 1st Floor, Castro Valley, CA 94546. The practice phone is (510) 247-6350.

Dr. Chan's primary practice is Castro Valley Center Imaging in Castro Valley, California. Dr. Chan is also affiliated with Sutter Eden Medical Center. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Chan to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Chan's employer is on file too: a breast imaging center.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chan practices, 6 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Chan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Chan is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Chan's licenses on file in 2 states: California and Ohio.

Dmand AI lists abdominal hernia repair surgery, appendectomy, colon removal, gallbladder removal and groin hernia surgery among the conditions Dr. Chan treats.

CMS data shows 172 Medicare services from Dr. Chan across 6 procedure codes in 2024, for 145 Medicare patients. Medicare paid $17,010 for them.

CMS counts 145 Medicare patients who saw Dr. Chan in 2024. The largest group is 65 to 74, with 47 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 50% are also on Medicaid. Their average risk score is 2.11, 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. Chan's median patient age at 55, with 46% women.

In 2024, Dr. Chan wrote 29 Medicare Part D claims for 19 patients. 100% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $36 in total drug cost. In 2021, CMS named 41 claims across 1 drug.

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

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 16 papers to Dr. Chan, published from 2010 to 2025. 2021 was the busiest year, with 4. The most frequent topics are Cell Line, Tumor, Clustered Regularly Interspaced Short Palindromic Repeats and CRISPR-Cas Systems. Dr. Chan has published most often in Adv Sci (Weinh). Dr. Chan's most frequent co-authors are Steven T. Rosen, MD, Priyanka Singh, MD and Scott A. Armstrong, MD, PhD.

CMS Open Payments shows 9 general payments to Dr. Chan from 8 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. RedHill Biopharma Inc. paid the most, $118.

Dr. Chan graduated from University of Toledo College of Medicine and Life Sciences in 2013.

Dr. Chan is in network with 12 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.