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

Dennis P Heffern, LCSW

Individual provider Social Worker · NPI 1730216763

Dennis P Heffern, LCSW is a Clinical Social Worker in Denver, Colorado. Qualified in 1997, 29 years ago. Registered with an NPI since 2007.

Years since qualifying
29
In the registry since
2007
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

2045 Franklin St
Denver, CO 80205-5437
Phone: (303) 764-5047
Fax: (303) 861-3498
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X

Record details

NPI number1730216763
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedFebruary 27, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Accepts Medicare assignment Not indicated

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