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

Dr. Russell Tennyson Toll, PHD

Individual provider EEG Specialist/Technologist · NPI 1356053565

Dr. Russell Tennyson Toll, PHD is an EEG Specialist/Technologist in Southlake, Texas. Registered with an NPI since 2022.

In the registry since
2022
Specialties on file
3
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

771 E Southlake Blvd Ste 222
Southlake, TX 76092-7065
Phone: (817) 888-6974
Show map & directions

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

Specialties & licences

Biomedical Engineer (primary) Taxonomy 246ZB0301X
EEG Specialist/Technologist Taxonomy 246ZE0500X
Speech/Language/Hearing Specialist/Technologist Taxonomy 235500000X

Record details

NPI number1356053565
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedDecember 19, 2022
Last updated in NPPESAugust 28, 2025
Certification dateAugust 28, 2025