Dr. Robert J. Sage, MD

Dr. Sage practices at The Endoscopy Center - Rapid City in Rapid City, South Dakota.

Dr. Sage's NPI, 1861684748, was assigned on August 14, 2007. Dr. Sage graduated from Sanford School of Medicine of University of South Dakota in 2007. Dr. Sage holds South Dakota license 8156.

Dr. Sage's primary practice is The Endoscopy Center - Rapid City, at 2820 Mt Rushmore Road, Rapid City, SD 57701. The practice phone is (605) 721-8121.

Dr. Sage's primary practice is The Endoscopy Center - Rapid City in Rapid City, South Dakota. The medical group on file is Rushmore Dermatology. Dmand AI also links Dr. Sage 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 Dr. Sage practices, 2 sites in all. Vendor and product names are available with a free account.

Dermatology is Dr. Sage's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Sage is licensed in South Dakota.

CMS data shows 4,265 Medicare services from Dr. Sage across 37 procedure codes in 2024, for 672 Medicare patients. Medicare paid $652,554 for them. Every service was in an office.

CMS counts 672 Medicare patients who saw Dr. Sage in 2024. The largest group is 65 to 74, with 342 patients. 67% of them have high cholesterol, and 65% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Sage's median patient age at 71, with 47% women.

In 2024, Dr. Sage wrote 387 Medicare Part D claims for 257 patients. 96% of them were for generic drugs. CMS names the drug for 298 of them, across 5 drugs with 11 or more claims each, at $51,188 in total drug cost. In 2023, CMS named 252 claims across 4 drugs.

Dr. Sage accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 336 procedures of melanoma (skin cancer) excision by Dr. Sage, more than 99% 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)

Dmand AI links 4 papers to Dr. Sage, published from 2011 to 2013. 2011 was the busiest year, with 2. The most frequent topics are Single-Blind Method and Skin Neoplasms. Dr. Sage has published most often in Dermatol Surg. Dr. Sage's most frequent co-authors are Matteo C. Lopiccolo, MD and Emily Patricia Tierney, MD.

CMS Open Payments shows 93 general payments to Dr. Sage from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $445.

Dr. Sage graduated from Sanford School of Medicine of University of South Dakota in 2007.