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

Dr. John Thomas Harris, MD

Individual provider Psychiatry Physician · NPI 1710189709

Dr. John Thomas Harris, MD is a Psychiatry Physician in Helena, Montana. Licensed in Montana. Registered with an NPI since 2007.

Licensed in
MT
In the registry since
2007
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

900 Jackson St Center For Mental Health
Helena, MT 59601-3428
Phone: (406) 443-7151
Fax: (406) 443-3420
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 11371 (MT)

Record details

NPI number1710189709
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 3, 2007
Last updated in NPPESMarch 7, 2023

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