Marcus M. Knapp, PA

Marcus Knapp practices at Samaritan Medical Center in Watertown, New York, part of MultiCare Health System.

Marcus Knapp's NPI, 1861429995, was assigned on June 26, 2006. Marcus Knapp holds New York license 0090201.

Marcus Knapp's primary practice is Samaritan Medical Center, at 830 Washington Street, Watertown, NY 13601 in Jefferson County. The practice phone is (315) 785-4000.

Marcus Knapp's primary practice is Samaritan Medical Center in Watertown, New York, part of MultiCare Health System. The medical group on file is Samaritan Medical Center. Dmand AI also links Marcus Knapp to 1 more group practice or clinic, named with a free account. Marcus Knapp's employer is on file too: a hospital.

Dmand AI tracks the electronic health record (EHR) system at each site where Marcus Knapp practices, 2 sites in all. Vendor and product names are available with a free account.

Physician assistant is Marcus Knapp's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Marcus Knapp is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Marcus Knapp is licensed in New York.

Dmand AI lists asthma, chronic obstructive pulmonary disease (COPD), intellectual and developmental disabilities, pneumonia, sleep apnea and tobacco use among the conditions Marcus Knapp treats.

CMS data shows 538 Medicare services from Marcus Knapp across 5 procedure codes in 2024, for 246 Medicare patients. Medicare paid $14,771 for them. Every service was in an office.

CMS counts 246 Medicare patients who saw Marcus Knapp in 2024. The largest group is 65 to 74, with 133 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Marcus Knapp's median patient age at 66, with 43% women.

In 2024, Marcus Knapp wrote 1,527 Medicare Part D claims for 271 patients. 25% of them were for generic drugs. CMS names the drug for 1,429 of them, across 23 drugs with 11 or more claims each, at $663,640 in total drug cost.

Marcus Knapp accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 9 general payments to Marcus Knapp from 8 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $48.

Dmand AI lists 1 award for Marcus Knapp, most recently NCQA PPC-PCMH in 2015.

Marcus Knapp is a member of AAPA.