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

Teresa May Sieg, RD, CDE

Individual provider Registered Dietitian · NPI 1962653477

Teresa May Sieg, RD, CDE is a Registered Dietitian in Greeley, Colorado. Registered with an NPI since 2008.

In the registry since
2008
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
CDE — Certified Diabetes Educator
Teaches people to manage diabetes day to day.

See every abbreviation used in this directory →

Practice location Address checks out

1600 23rd Ave
Greeley, CO 80634-6070
Phone: (970) 810-2424
Fax: (970) 810-2774
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 716166

Record details

NPI number1962653477
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , CDE
Sole proprietorNo
NPI enumeratedOctober 2, 2008
Last updated in NPPESSeptember 28, 2016

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