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

Gregory Thomas Armstrong, RPH

Individual provider Pharmacist · NPI 1811321078

Gregory Thomas Armstrong, RPH is a Pharmacist in John Day, Oregon. Licensed in Oregon. Registered with an NPI since 2013.

Licensed in
OR
In the registry since
2013
Specialties on file
2
What do these letters mean?
RPH — Registered Pharmacist
A pharmacist licensed by a state board.

See every abbreviation used in this directory →

Practice location Address checks out

120 E Main St
John Day, OR 97845-1211
Phone: (541) 575-0629
Fax: (541) 575-2342
Show map & directions

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

Specialties & licences

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (primary) Taxonomy 1835P0018X · Licence RPH-0007339 (OR)
Pharmacist Taxonomy 183500000X · Licence 7339 (OR)

Record details

NPI number1811321078
Entity typeIndividual (Type 1)
GenderMale
Credentials RPH
Sole proprietorNo
NPI enumeratedAugust 23, 2013
Last updated in NPPESSeptember 8, 2021
Certification dateSeptember 8, 2021
Mailing address120 E Main St, John Day, OR 97845-1211

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