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

Mary Hartnett, Ph D , PC

Organization Group Psychotherapy Psychologist · NPI 1932481504

Mary Hartnett, Ph D , PC is a Group Psychotherapy Psychologist in Boulder, Colorado. Licensed in Colorado. Registered with an NPI since 2011.

Licensed in
CO
In the registry since
2011
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

100 Arapahoe Ave Ste 7
Boulder, CO 80302
Phone: (303) 546-0707
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Group Psychotherapy Psychologist (primary) Taxonomy 103TP2701X · Licence 1501 (CO)

Record details

NPI number1932481504
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mary Hartnett — Owner/Psychologist · (303) 546-0707
NPI enumeratedSeptember 9, 2011
Last updated in NPPESSeptember 9, 2011
Mailing address100 Arapahoe Ave., Suite 7, Boulder, CO 80302

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