Physician

Adam David Marish, D.O.

According to 2025 Medicare claims, Adam Marish, D.O. (NPI: 1588981781) practices hospitalist in the Allentown-Bethlehem-Easton, PA-NJ market, with the plurality of this provider's patient population coming from Northampton, PA. This provider's primary affiliated billing organization is LEHIGH VALLEY PHYSICIAN GROUP (NPI: 1982778304; TIN: 232700908) and primary practice location at 18017-7300. Marish is affiliated with the Lehigh Valley Health Network Accountable Care Organization, LLC (ACO ID: A2735), participating under the MSSP model.

Marish's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 286 traditional Medicare patients, billed 807 HCPCS/CPT codes, and received $60,764 in Medicare payments. The top billing code was 99223 (Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes). Part D data shows 248 prescription claims across 114 beneficiaries totaling $8,187 in drug costs, led by Pantoprazole Sodium (Pantoprazole Sodium). DME data shows 12 claims. No Open Payments records. 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 $101,866 to $60,764. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $11,032 and ending at $8,187. In contrast, DME billing represents a smaller volume and fell sharply in recent years, from $5,295 to $1,249.