Physician
Showri Madan Manohar Karnam, MBBS
According to 2025 Medicare claims, Showri Karnam, MBBS (NPI: 1447458401) practices cardiology in the Parkersburg-Vienna, WV market, with the plurality of this provider's patient population coming from Wood, WV. This provider's primary affiliated billing organization is CAMDEN-CLARK PHYSICIAN CORPORATION (NPI: 1710125430; TIN: 264058719) and primary practice location at 26102-0718. Karnam is affiliated with the ACO West Virginia (ACO ID: A3563) and Aledade 101 Regional MSSP (ACO ID: A5216), participating under the MSSP model.
Karnam's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,032 traditional Medicare patients, billed 2,606 HCPCS/CPT codes, and received $129,060 in Medicare payments. The top billing code was 99222 (Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes). Part D data shows 6,554 prescription claims across 1,151 beneficiaries totaling $1,420,678 in drug costs, led by Eliquis (Apixaban). DME data shows 11 claims. Open Payments data shows 52 records totaling $1,674. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.
Over the past 10 years, this provider's Medicare Part B carrier billing did not follow a clear longitudinal pattern. Concurrently, Part D prescription costs have moved sharply higher in recent years, from $17,789 to $1,420,678. In contrast, DME billing represents a smaller volume and moved sharply higher in recent years, from $5,326 to $28,462.