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

Dr. Sylvia Pisarski Onusic, PHD, MS, CNS, LDN

Individual provider Metabolic Nutrition Registered Dietitian · NPI 1720640378

Dr. Sylvia Pisarski Onusic, PHD, MS, CNS, LDN is a Metabolic Nutrition Registered Dietitian in Portage, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2019
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
MS — Master of Science
A graduate science degree.
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

See every abbreviation used in this directory →

Practice location Address checks out

1602 Kent St
Portage, PA 15946-2113
Phone: (814) 502-1688
Show map & directions

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

Specialties & licences

Metabolic Nutrition Registered Dietitian (primary) Taxonomy 133VN1006X · Licence DN005030 (PA)

Record details

NPI number1720640378
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , MS , CNS , LDN
Sole proprietorYes
NPI enumeratedJuly 3, 2019
Last updated in NPPESJuly 3, 2019