Dr. Greg A. Brown, MD

Dr. Brown practices at Greg A. Brown, M.D. in San Clemente, California.

Dr. Brown's NPI, 1720135346, was assigned on January 4, 2007. Dr. Brown graduated from Far Eastern University Nicanor Reyes Medical Foundation in 1982. Dr. Brown holds California license A40335.

Dr. Brown's primary practice is Greg A. Brown, M.D., at 655 Camino De Los Mares, San Clemente, CA 92673 in Orange County. The practice phone is (949) 661-9657.

Dr. Brown's primary practice is Greg A. Brown, M.D. in San Clemente, California. Dr. Brown is also affiliated with Providence Mission Hospital. Dmand AI also links Dr. Brown to 1 more hospital and 1 physician office, each named with a free account.

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

Internal medicine is Dr. Brown's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Brown is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Brown's licenses on file in 2 states: California and Hawaii.

Dmand AI lists acid reflux, acute mini-stroke (TIA), acute sinusitis, acute skin infection, alzheimer's disease, anxiety, arthritis and asthma among the conditions Dr. Brown treats.

CMS data shows 931 Medicare services from Dr. Brown across 16 procedure codes in 2024, for 167 Medicare patients. Medicare paid $45,769 for them. Every service was in an office.

CMS counts 167 Medicare patients who saw Dr. Brown in 2024. The largest group is 75 to 84, with 82 patients. 74% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 1.27, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Brown's median patient age at 75, with 47% women.

In 2024, Dr. Brown wrote 9,663 Medicare Part D claims for 583 patients. 89% of them were for generic drugs. CMS names the drug for 8,871 of them, across 150 drugs with 11 or more claims each, at $821,212 in total drug cost. In 2023, CMS named 8,869 claims across 151 drugs.

Dr. Brown accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 431 procedures of removal of skin lesions by Dr. Brown, more than 85% of the clinicians it reports for that procedure.

Removal of nail tissue: 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)

CMS Open Payments shows 195 general payments to Dr. Brown from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Novo Nordisk Inc paid the most, $1,344.

Dr. Brown graduated from Far Eastern University Nicanor Reyes Medical Foundation in 1982.

Dr. Brown is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.