Dr. Cassandra Lee Riddle, DO

Dr. Riddle practices at Saint Francis Hospital South in Tulsa, Oklahoma, part of Saint Francis Health System.

Dr. Riddle's NPI, 1679074132, was assigned on February 21, 2018. Dr. Riddle holds Oklahoma license 6637.

Dr. Riddle's primary practice is Saint Francis Hospital South, at 10501 East 91st Street South, Tulsa, OK 74133 in Tulsa County. The practice phone is (918) 307-6010.

Dr. Riddle's primary practice is Saint Francis Hospital South in Tulsa, Oklahoma, part of Saint Francis Health System. Dr. Riddle is also affiliated with Saint Francis Hospital. The medical group on file is Warren Clinic. Dmand AI also links Dr. Riddle 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. Riddle practices, 3 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Riddle's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Riddle is licensed in Oklahoma.

CMS data shows 72 Medicare services from Dr. Riddle across 4 procedure codes in 2024, for 78 Medicare patients. Medicare paid $12,285 for them.

CMS counts 78 Medicare patients who saw Dr. Riddle in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 71% have high cholesterol. Their average risk score is 1.37, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Riddle's median patient age at 59, with 51% women.

In 2024, Dr. Riddle wrote 183 Medicare Part D claims for 62 patients. 100% of them were for generic drugs. CMS names the drug for 156 of them, across 4 drugs with 11 or more claims each, at $1,102 in total drug cost. In 2023, CMS named 53 claims across 3 drugs.

Dr. Riddle accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair (minimally invasive): 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 61 general payments to Dr. Riddle from 21 drug and device companies from 2019 to 2025. Travel and lodging make up the largest share, 44% of the total. TELA Bio, Inc. paid the most, $3,517.