Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Colleen Marie Dempsey-Rex, RD, LDN

Individual provider Registered Dietitian · NPI 1538309463

Colleen Marie Dempsey-Rex, RD, LDN is a Registered Dietitian in Allentown, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2009.

Licensed in
PA
In the registry since
2009
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

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Practice location Address checks out

1247 S Cedar Crest Blvd Ste 100
Allentown, PA 18103-6298
Phone: (610) 770-1800
Fax: (610) 770-1805
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence DN003567 (PA)

Record details

NPI number1538309463
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LDN
Sole proprietorNo
NPI enumeratedMarch 5, 2009
Last updated in NPPESJune 18, 2014

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