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

Dr. Mary Harsh, PHD

Individual provider Psychologist · NPI 1144380528

Dr. Mary Harsh, PHD is a Clinical Psychologist in Helena, Montana. Qualified in 1994, 32 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Montana.

Years since qualifying
32
Licensed in
MT
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

101 N Last Chance Gulch Ste 203
Helena, MT 59601-4121
Phone: (406) 465-6793
Fax: (406) 442-5868
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 302 (MT)

Record details

NPI number1144380528
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 8, 2006
Last updated in NPPESNovember 8, 2019
Mailing address101 N Last Chance Gulch, Ste 203, Helena, MT 59601-4121

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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