Physician
Jonathan David Greifenkamp, MD
According to 2025 Medicare claims, Jonathan Greifenkamp, MD (NPI: 1235333808) practices cardiology in the Longview, TX market, with the plurality of this provider's patient population coming from Gregg, TX. This provider's primary affiliated billing organization is REGIONAL CLINICS OF LONGVIEW (NPI: 1407047863; TIN: 20-4791426) and primary practice location at 75605-2412. Greifenkamp is affiliated with the CHSPSC ACO 8, LLC (ACO ID: A3715), participating under the MSSP model.
Greifenkamp's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,459 traditional Medicare patients, billed 8,798 HCPCS/CPT codes, and received $578,767 in Medicare payments. The top billing code was 93306 (Ultrasound of heart with color-depicted blood flow, rate, direction and valve function). Part D data shows 4,953 prescription claims across 809 beneficiaries totaling $833,491 in drug costs, led by Eliquis (Apixaban). 2021 DME data shows 17 claims. Open Payments data shows 156 records totaling $2,607. 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 has changed little. Concurrently, Part D prescription costs have moved sharply higher in recent years, from $265,281 to $833,491. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $48,815 and ending at $42,577.