Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Sierra Rose Castonguay, MS, LAT, ATC

Individual provider Athletic Trainer · NPI 1740089606

Sierra Rose Castonguay, MS, LAT, ATC is an Athletic Trainer in Portland, Maine. Licensed in Maine and New Hampshire. Registered with an NPI since 2025.

Licensed in
ME, NH
In the registry since
2025
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.
LAT — Licensed Athletic Trainer
A state-licensed athletic trainer.
ATC — Certified Athletic Trainer
Prevents and treats sport and activity injuries.

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Practice location Address checks out

96 Falmouth St
Portland, ME 04103-4864
Phone: (800) 800-4876
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Athletic Trainer (primary) Taxonomy 2255A2300X · Licence AT992 (ME)
Athletic Trainer Taxonomy 2255A2300X · Licence 1626 (NH)

Record details

NPI number1740089606
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , LAT , ATC
Sole proprietorNo
NPI enumeratedMarch 12, 2025
Last updated in NPPESJanuary 10, 2026
Certification dateJanuary 10, 2026

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