Dr. Robert Peter Aran, DO

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

Dr. Aran's NPI, 1003357039, was assigned on March 9, 2017. Dr. Aran graduated from Oklahoma State University College of Osteopathic Medicine in 2017. Dr. Aran holds Oklahoma license 6354.

Dr. Aran's primary practice is Saint Francis Hospital, at 6161 South Yale, Tulsa, OK 74136 in Tulsa County. The practice phone is (918) 494-8467.

Dr. Aran's primary practice is Saint Francis Hospital in Tulsa, Oklahoma, part of Saint Francis Health System. Dr. Aran is also affiliated with Saint Francis Hospital South. The medical group on file is Warren Clinic. Dmand AI also links Dr. Aran to 1 more hospital and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Aran practices, 4 sites in all. Vendor and product names are available with a free account.

Gastroenterology is Dr. Aran's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Aran is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Aran is licensed in Oklahoma.

CMS data shows 1,172 Medicare services from Dr. Aran across 22 procedure codes in 2024, for 565 Medicare patients. Medicare paid $101,169 for them.

CMS counts 565 Medicare patients who saw Dr. Aran in 2026. The largest group is 65 to 74, with 238 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.19, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Aran's median patient age at 68, with 56% women.

In 2026, Dr. Aran wrote 959 Medicare Part D claims for 374 patients. 71% of them were for generic drugs. CMS names the drug for 803 of them, across 22 drugs with 11 or more claims each, at $347,970 in total drug cost. In 2023, CMS named 215 claims across 11 drugs.

Dr. Aran accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 270 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Aran, more than 94% of the clinicians it reports for that procedure.

Dmand AI links 1 paper to Dr. Aran in 2014.

CMS Open Payments shows 258 general payments to Dr. Aran from 28 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 91% of the total. Abbvie Inc. paid the most, $2,476.

Dr. Aran graduated from Oklahoma State University College of Osteopathic Medicine in 2017.