Physician
William P. Kopfler, M.D.
According to 2025 Medicare claims, William Kopfler, M.D. (NPI: 1912903816) practices cardiology in the Hammond, LA market, with the plurality of this provider's patient population coming from Tangipahoa, LA. This provider's primary affiliated billing organization is NORTH OAKS MEDICAL CENTER, LLC (NPI: 1972630705; TIN: 451834769) and primary practice location at 70403-1426.
Kopfler's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,238 traditional Medicare patients, billed 3,268 HCPCS/CPT codes, and received $112,170 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 5,804 prescription claims across 682 beneficiaries totaling $878,971 in drug costs, led by Eliquis (Apixaban). 2020 DME data shows 33 claims. Open Payments data shows 10 records totaling $298. 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 declined steadily, from $169,272 to $112,170. In contrast, Part D prescription costs have risen steadily, from $573,467 to $878,971. For DME billing, this smaller-volume category started with an early spike, then settled into a lower baseline, moving from $8,715 to $4,390.