Physician

Mark S Lang, MD

According to 2025 Medicare claims, Mark Lang, MD (NPI: 1952418402) practices orthopedic surgery in the Sheboygan, WI market, with the plurality of this provider's patient population coming from Sheboygan, WI. This provider's primary affiliated billing organization is AURORA MEDICAL GROUP, INC. (NPI: 1427271378; TIN: 391678306) and primary practice location at 53081-8426. Lang is affiliated with the Advocate Physician Partners Accountable Care, Inc. (ACO ID: A1033) and Accountable Care Organization of Advocate Aurora Health, LLC (ACO ID: D0260), participating under both the MSSP and REACH models.

Lang's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 197 traditional Medicare patients, billed 1,715 HCPCS/CPT codes, and received $76,773 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 313 prescription claims across 128 beneficiaries totaling $2,863 in drug costs, led by Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen). Open Payments data shows 3 records totaling $702. 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 declined steadily, from $3,666 to $2,863. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.