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

William Harold Masters II, RDN, LDN

Individual provider Registered Dietitian · NPI 1659893881

William Harold Masters II, RDN, LDN is a Registered Dietitian in Gibsonia, Pennsylvania. Works from 3 locations. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2017
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

See every abbreviation used in this directory →

Practice location Address checks out

5375 William Flynn Hwy
Gibsonia, PA 15044-9666
Phone: (724) 444-4700
Fax: (724) 444-4730
Show map & directions

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

Additional practice locations (2)

  • 20397 Route 19 Ste 330, Cranberry Township, PA 16066-6133 — (724) 772-3300
  • 9335 McKnight Rd Fl 1, Pittsburgh, PA 15237-5903 — (412) 847-2020

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence DN006171 (PA)

Record details

NPI number1659893881
Entity typeIndividual (Type 1)
GenderMale
Credentials RDN , LDN
Sole proprietorNo
NPI enumeratedJuly 10, 2017
Last updated in NPPESSeptember 14, 2021
Certification dateSeptember 14, 2021

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