Dr. Andrew James Ollerton, MD

Dr. Ollerton practices at Sanford Medical Center - Unit in Sioux Falls, South Dakota.

Dr. Ollerton's NPI, 1619233806, was assigned on April 2, 2012. Dr. Ollerton graduated from University of Utah School of Medicine in 2011. Dr. Ollerton holds Minnesota license 68153.

Dr. Ollerton's primary practice is Sanford Medical Center - Unit, at 1305 W 18th Street, Sioux Falls, SD 57117 in Minnehaha County. The practice phone is (605) 328-6758.

Dr. Ollerton's primary practice is Sanford Medical Center - Unit in Sioux Falls, South Dakota. Dr. Ollerton is also affiliated with Sanford USD Medical Center. The medical group on file is Edith Sanford Breast Center Sioux Falls. Dmand AI also links Dr. Ollerton to 3 more group practices and clinics, 2 medical groups and 1 imaging center, each named with a free account.

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

Ophthalmology is Dr. Ollerton's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Ollerton's licenses on file in 3 states: Minnesota, Indiana and Oregon.

CMS data shows 711 Medicare services from Dr. Ollerton across 13 procedure codes in 2024, for 267 Medicare patients. Medicare paid $63,868 for them.

CMS counts 267 Medicare patients who saw Dr. Ollerton in 2024. The largest group is 65 to 74, with 107 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ollerton's median patient age at 74, with 62% women.

In 2024, Dr. Ollerton wrote 242 Medicare Part D claims for 106 patients. 60% of them were for generic drugs. CMS names the drug for 187 of them, across 6 drugs with 11 or more claims each, at $17,629 in total drug cost. In 2023, CMS named 254 claims across 6 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Ollerton for performance year 2024, reported as part of a group. Dr. Ollerton accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 109 procedures of cataract surgery by Dr. Ollerton, more than 75% of the clinicians it reports for that procedure.

Dmand AI links 12 papers to Dr. Ollerton, published from 2011 to 2013. 2012 was the busiest year, with 4. The most frequent topics are Lenses, Intraocular, Lens Implantation, Intraocular and Acrylic Resins. Dr. Ollerton has published most often in J Cataract Refract Surg. Dr. Ollerton's most frequent co-authors are Lisa L. Leishman, MD, Nick Mamalis, MD and Anne Margaret Floyd, MD.

CMS Open Payments shows 28 general payments to Dr. Ollerton from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 51% of the total. Alcon Laboratories Inc paid the most, $1,385.

Dr. Ollerton graduated from University of Utah School of Medicine in 2011.