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

Mr. Dwight Gregg Harley, PA-C

Individual provider Physician Assistant · NPI 1124091632

Mr. Dwight Gregg Harley, PA-C is a Physician Assistant in Billings, Montana. Licensed in Montana and South Dakota. Registered with an NPI since 2006.

Licensed in
MT, SD
In the registry since
2006
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

801 N 29th St
Billings, MT 59101-0905
Phone: (406) 238-2500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 367 (MT)
Physician Assistant Taxonomy 363A00000X · Licence 0311 (SD)

Record details

NPI number1124091632
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedFebruary 8, 2006
Last updated in NPPESNovember 25, 2013

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