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

Dr. Mary A Williamson, PHD

Individual provider Clinical Laboratory Director (Non-physician) · NPI 1225402894

Dr. Mary A Williamson, PHD is a Clinical Laboratory Director (Non-physician) in Rochester, New York. Licensed in New York. Registered with an NPI since 2015.

Licensed in
NY
In the registry since
2015
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

160 Elmgrove Park
Rochester, NY 14624-1359
Phone: (585) 429-2226
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Laboratory Director (Non-physician) (primary) Taxonomy 247ZC0005X · Licence WILLM7 (NY)

Record details

NPI number1225402894
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedNovember 19, 2015
Last updated in NPPESNovember 19, 2015

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