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

Dr. Barry Justin Cusack, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1720187289

Dr. Barry Justin Cusack, MD is a Geriatric Medicine (Internal Medicine) Physician in Boise, Idaho. Licensed in Idaho. Registered with an NPI since 2006.

Licensed in
ID
In the registry since
2006
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

500 W Fort St (111)
Boise, ID 83702-4598
Phone: (208) 422-1000
Fax: (208) 422-1319
Show map & directions

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

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence M5678 (ID)

Record details

NPI number1720187289
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 21, 2006
Last updated in NPPESJuly 8, 2007
Mailing address9550 Chelan Ave, Garden City, ID 83714-1264

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