Lydia Bai-Tsin Ann

Lydia Ann practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Lydia Ann's NPI, 1316433303, was assigned on July 3, 2018. Lydia Ann graduated from David Geffen School of Medicine at UCLA in 2018. Lydia Ann's California license number on file is A164652.

Lydia Ann's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

Lydia Ann's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. The medical group on file is UCI Department of Psychiatry & Human Behavior. Dmand AI also links Lydia Ann to 1 more group practice or clinic and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Lydia Ann practices, 2 sites in all. Vendor and product names are available with a free account.

Psychiatry is Lydia Ann's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Lydia Ann is board certified in geriatric psychiatry by the American Board of Psychiatry and Neurology. Lydia Ann has a license on file in California.

CMS data shows 132 Medicare services from Lydia Ann across 3 procedure codes in 2024, for 97 Medicare patients. Medicare paid $14,956 for them. Every service was in an office.

CMS counts 97 Medicare patients who saw Lydia Ann in 2024. The largest group is under 65, with 39 patients. 75% of them have anxiety, and 75% have high cholesterol. 47% are also on Medicaid. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Lydia Ann's median patient age at 56, with 56% women.

In 2024, Lydia Ann wrote 240 Medicare Part D claims for 40 patients. 93% of them were for generic drugs. CMS names the drug for 163 of them, across 7 drugs with 11 or more claims each, at $2,265 in total drug cost. In 2023, CMS named 236 claims across 10 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Lydia Ann for performance year 2024, reported through an alternative payment model (APM). Lydia Ann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Lydia Ann as offering telehealth.

Dmand AI links 3 papers to Lydia Ann, published from 2013 to 2023. Lydia Ann's most frequent co-authors are Anthony J. Aldave, MD, Kishan Gupta, MD, PhD and Kyoungbin Im, MD.

CMS Open Payments shows 2 general payments to Lydia Ann from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Axsome Therapeutics, Inc. paid the most, $39.

Lydia Ann graduated from David Geffen School of Medicine at UCLA in 2018.

Lydia Ann is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.