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

Individual provider Registered Dietitian · NPI 1518324870

Christy Kay Mertz, RDN is registered under Registered Dietitian OR Nutrition Professional in Saint Paul, Minnesota. Qualified in 2001, 25 years ago. Practices with Park Nicollet Clinic, a 1,773-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Minnesota.

Years since qualifying
25
Licensed in
MN
In the registry since
2016
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

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Practice location Address checks out

559 Capitol Blvd
Saint Paul, MN 55103-2101 Not confirmed with CMS for 10 years — call before visiting
Phone: (651) 232-1960
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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 918592 (MN)

Record details

NPI number1518324870
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN
Sole proprietorNo
NPI enumeratedJanuary 18, 2016
Last updated in NPPESJanuary 18, 2016

Medicare enrollment

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

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Park Nicollet Clinic — 1773 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Colleagues at Park Nicollet Clinic

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1773 clinicians in the practice; 12 are shown here.

Other providers in Saint Paul