Dr. Prabha Ranganathan, MD

Dr. Ranganathan practices at Washington University School of Medicine in Saint Louis, Missouri.

Dr. Ranganathan's NPI, 1003832304, was assigned on July 14, 2006. Dr. Ranganathan holds Missouri license 106169.

Dr. Ranganathan's primary practice is Washington University School of Medicine, at 4921 Parkview Pl, Saint Louis, MO 63110 in Saint Louis City. The practice phone is (314) 747-5192.

Dr. Ranganathan's primary practice is Washington University School of Medicine in Saint Louis, Missouri. Dr. Ranganathan is also affiliated with Barnes-Jewish Hospital. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Ranganathan to 4 more hospitals 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. Ranganathan practices, 6 sites in all. Vendor and product names are available with a free account.

Rheumatology is Dr. Ranganathan's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Ranganathan is licensed in Missouri.

CMS data shows 496 Medicare services from Dr. Ranganathan across 5 procedure codes in 2024, for 246 Medicare patients. Medicare paid $30,216 for them. Every service was in an office.

CMS counts 246 Medicare patients who saw Dr. Ranganathan in 2024. The largest group is 65 to 74, with 117 patients. 75% of them have arthritis, and 75% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.85, 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. Ranganathan's median patient age at 66, with 75% women.

In 2024, Dr. Ranganathan wrote 990 Medicare Part D claims for 150 patients. 75% of them were for generic drugs. CMS names the drug for 895 of them, across 22 drugs with 11 or more claims each, at $1,830,511 in total drug cost. In 2023, CMS named 1,035 claims across 26 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Ranganathan for performance year 2024, reported as part of a group. Dr. Ranganathan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 27 papers to Dr. Ranganathan, published from 2010 to 2024. 2015 was the busiest year, with 4. The most frequent topics are Arthritis, Rheumatoid, Antirheumatic Agents and Pharmacogenetics. Dr. Ranganathan has published most often in Rheumatol Int. Dr. Ranganathan's most frequent co-authors are Seth Eisen, MD, Jisna R. Paul, MD and John Patterson Atkinson, MD.

CMS Open Payments shows 35 general payments to Dr. Ranganathan from 11 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 43% of the total. Horizon Pharma plc paid the most, $2,777.