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

Individual provider Psychiatry Physician · NPI 1619908654

Dr. Leonard Kendall Lantz, MD is a Psychiatry Physician in Helena, Montana. Practices as a sole proprietor. Licensed in Montana.

Licensed in
MT
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2735 Colonial Dr Ste A
Helena, MT 59601-4971
Phone: (406) 204-2151
Fax: (406) 204-2154
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 10765 (MT)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence 10765 (MT)

Record details

NPI number1619908654
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 6, 2006
Last updated in NPPESJune 29, 2023
Certification dateJune 29, 2023

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