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

Leon Williams, MS, CGC

Individual provider Genetic Counselor (M.S.) · NPI 1194446344

Leon Williams, MS, CGC is registered under Genetic Counselor (M.S.) in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2022.

Licensed in
PA
In the registry since
2022
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

3500 Civic Center Blvd
Philadelphia, PA 19104-4395
Phone: (215) 590-2920
Show map & directions

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

Specialties & licences

Genetic Counselor (M.S.) (primary) Taxonomy 170300000X · Licence GC000752 (PA)

Record details

NPI number1194446344
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CGC
Sole proprietorNo
NPI enumeratedSeptember 7, 2022
Last updated in NPPESMarch 28, 2025
Certification dateMarch 28, 2025

Other providers in Philadelphia