Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Marcus M Knapp, PA

Individual provider Physician Assistant · NPI 1861429995

Mr. Marcus M Knapp, PA is a Physician Assistant in Watertown, New York. Qualified in 2002, 24 years ago. Practices with Samaritan Medical Center, a 158-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
24
Licensed in
NY
In the registry since
2006
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

19320 US Route 11 Bldg Iii
Watertown, NY 13601-5337
Phone: (315) 786-0254
Fax: (315) 785-3647
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 0090201 (NY)

Record details

NPI number1861429995
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedJune 26, 2006
Last updated in NPPESJanuary 22, 2021
Certification dateJanuary 22, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Samaritan Medical Center — 158 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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