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

Gregg H Olsen, MD

Individual provider Psychiatry Physician · NPI 1366563389

Gregg H Olsen, MD is a Psychiatry Physician in Boulder, Colorado. Practices as a sole proprietor. Licensed in Colorado.

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

1919 14th St Ste 711
Boulder, CO 80302-5310
Phone: (303) 443-7600
Fax: (303) 402-0292
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 33483 (CO)

Record details

NPI number1366563389
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 3, 2007
Last updated in NPPESJuly 8, 2007

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