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

Dr. Leland Mann Johnston Jr., MD

Individual provider Psychiatry Physician · NPI 1992844708

Dr. Leland Mann Johnston Jr., MD is a Psychiatry Physician in Boulder, Colorado. Licensed in Colorado. Registered with an NPI since 2007.

Licensed in
CO
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

1740 Sumac Ave
Boulder, CO 80304-0814
Phone: (720) 565-1422
Fax: (866) 849-7805
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 38458 (CO)

Record details

NPI number1992844708
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 6, 2007
Last updated in NPPESJanuary 25, 2008
Mailing address1740 Sumac Ave, Boulder, CO 80304-0814

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