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

Justina Gamache, MD

Individual provider Sleep Medicine (Internal Medicine) Physician · NPI 1457731325

Justina Gamache, MD is a Sleep Medicine (Internal Medicine) Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2015.

Licensed in
WA
In the registry since
2015
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1660 S Columbian Way
Seattle, WA 98108-1532
Phone: (253) 583-3221
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence 60834939 (WA)

Record details

NPI number1457731325
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 4, 2015
Last updated in NPPESMay 24, 2024
Certification dateMay 24, 2024
Mailing address1660 S Columbian Way, Seattle, WA 98108-1532

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