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

Nancy S Knudsen, MD

Individual provider Internal Medicine Physician · NPI 1003826025

Nancy S Knudsen, MD is an Internal Medicine Physician in Amsterdam, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

427 Guy Park Ave St Marys Hospital
Amsterdam, NY 12010
Phone: (518) 842-1900
Fax: (518) 841-7131
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 146433-1 (NY)

Record details

NPI number1003826025
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 9, 2006
Last updated in NPPESAugust 29, 2007
Mailing address427 Guy Park Ave, St Marys Hospital, Amsterdam, NY 12010

Other providers in Amsterdam