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

Dr. John Alton Harris III, MD

Individual provider Anesthesiology Physician · NPI 1912420845

Dr. John Alton Harris III, MD is an Anesthesiology Physician in Missoula, Montana. Practices as a sole proprietor. Licensed in Montana.

Licensed in
MT
In the registry since
2017
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3106 Old Pond Rd
Missoula, MT 59802-3255
Phone: (406) 728-6615
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence MED-PHYS-LIC-3760 (MT)

Record details

NPI number1912420845
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 23, 2017
Last updated in NPPESJuly 21, 2022

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