Dr. Ga Yi Lee, MD

Dr. Lee practices at Simi Obstetrics & Gynecology Medical Group a Medical Corp. in Simi Valley, California.

Dr. Lee's NPI, 1497918254, was assigned on July 2, 2008. Dr. Lee graduated from Albany Medical College in 2007. Dr. Lee holds California license A155495.

Dr. Lee's primary practice is Simi Obstetrics & Gynecology Medical Group a Medical Corp., at 1147 Red Tail Way, Simi Valley, CA 93065 in Ventura County. The practice phone is (805) 527-8055.

Dr. Lee's primary practice is Simi Obstetrics & Gynecology Medical Group a Medical Corp. in Simi Valley, California. Dr. Lee is also affiliated with Adventist Health Simi Valley. The medical group on file is Ob Hospitalist Group. Dmand AI also links Dr. Lee to 2 more group practices and clinics and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 3 sites in all. Vendor and product names are available with a free account.

Obstetrics and gynecology is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Lee is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Lee is licensed in California.

Dmand AI lists menopause, ovarian cyst, pelvic prolapse and vaginal infection among the conditions Dr. Lee treats.

CMS data shows 180 Medicare services from Dr. Lee across 7 procedure codes in 2024, for 87 Medicare patients. Medicare paid $10,021 for them. Every service was in an office.

CMS counts 87 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 57 patients. 75% of them have high cholesterol, and 57% have high blood pressure. Their average risk score is 0.86, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 39, with 98% women.

In 2024, Dr. Lee wrote 174 Medicare Part D claims for 53 patients. 81% of them were for generic drugs. CMS names the drug for 127 of them, across 5 drugs with 11 or more claims each, at $12,374 in total drug cost. In 2023, CMS named 79 claims across 3 drugs.

Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lee as offering telehealth.

Dmand AI links 8 papers to Dr. Lee in 2011. 2011 was the busiest year, with 3. The most frequent topics are Lung Neoplasms, Korea and Genetic Predisposition to Disease. Dr. Lee has published most often in Cancer Epidemiol Biomarkers Prev. Dr. Lee's most frequent co-author is Jung Mok Park, MD.

CMS Open Payments shows 302 general payments to Dr. Lee from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 92% of the total. Abbvie Inc. paid the most, $1,317.

Dr. Lee graduated from Albany Medical College in 2007.

Dr. Lee is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.