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

Dr. John Anthony Williamson, PHARMD

Individual provider Pharmacotherapy Pharmacist · NPI 1982687141

Dr. John Anthony Williamson, PHARMD is a Pharmacotherapy Pharmacist in Wallingford, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2005.

Licensed in
PA
In the registry since
2005
What do these letters mean?
PHARMD — Doctor of Pharmacy
The professional degree required to practise as a pharmacist in the United States.

See every abbreviation used in this directory →

Practice location Address checks out

415 Golfview Rd
Wallingford, PA 19086-6408
Phone: (610) 892-2928
Fax: (610) 892-7920
Show map & directions

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

Specialties & licences

Pharmacotherapy Pharmacist (primary) Taxonomy 1835P1200X · Licence RP042197L (PA)

Record details

NPI number1982687141
Entity typeIndividual (Type 1)
GenderMale
Credentials PHARMD
Sole proprietorNo
NPI enumeratedNovember 22, 2005
Last updated in NPPESJuly 13, 2026
Mailing address415 Golfview Rd, Wallingford, PA 19086-6408