Dr. Lothar McMillian, MD

Dr. McMillian practices at Optumcare Medical Group in San Juan Capistrano, California.

Dr. McMillian's NPI, 1588748891, was assigned on October 24, 2006. Dr. McMillian holds California license A45238.

Dr. McMillian's primary practice is Optumcare Medical Group, at 32312 Camino Capistrano, San Juan Capistrano, CA 92675 in Orange County. The practice phone is (562) 594-6599.

Dr. McMillian's primary practice is Optumcare Medical Group in San Juan Capistrano, California. Dr. McMillian is also affiliated with Providence Mission Hospital. The medical group on file is OptumCare Medical Group. Dmand AI also links Dr. McMillian to 1 more hospital, 4 group practices and clinics and 3 medical groups, each named with a free account.

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

Family medicine is Dr. McMillian's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. McMillian is licensed in California.

CMS data shows 408 Medicare services from Dr. McMillian across 6 procedure codes in 2024, for 109 Medicare patients. Medicare paid $33,104 for them. Every service was in an office.

CMS counts 109 Medicare patients who saw Dr. McMillian in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. McMillian's median patient age at 68, with 51% women.

In 2024, Dr. McMillian wrote 7,446 Medicare Part D claims for 514 patients. 89% of them were for generic drugs. CMS names the drug for 6,732 of them, across 122 drugs with 11 or more claims each, at $377,230 in total drug cost. In 2023, CMS named 6,870 claims across 121 drugs.

Dr. McMillian accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. McMillian as offering telehealth. CMS counts 26 procedures of removal of skin lesions by Dr. McMillian, more than 67% of the clinicians it reports for that procedure.

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal or shaving of skin growth: 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 Dr. McMillian to 1 clinical trial. Conditions studied include Acneiform Eruptions and Acne Vulgaris. Open Payments lists research payments to Dr. McMillian that name 1 trial.

CMS Open Payments shows 50 general payments to Dr. McMillian from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Janssen Pharmaceuticals, Inc paid the most, $147. It also lists 5 research payments totaling $16,550 in 2016, naming 1 clinical trial.