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

Nancy H. Nielsen, MD

Individual provider Internal Medicine Physician · NPI 1598975443

Nancy H. Nielsen, MD is an Internal Medicine Physician in Orchard Park, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2007
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

7861 Quaker Rd
Orchard Park, NY 14127-2061
Phone: (716) 662-9185
Fax: (716) 667-7522
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 133647 (NY)

Record details

NPI number1598975443
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 22, 2007
Last updated in NPPESJuly 8, 2007

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