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

MS. Ann Krystyn Zonca, MS, RD, CDN, LDN

Individual provider Registered Dietitian · NPI 1780969899

MS. Ann Krystyn Zonca, MS, RD, CDN, LDN is a Registered Dietitian in New York, New York. Practices as a sole proprietor. Licensed in Illinois and New York.

Licensed in
IL, NY
In the registry since
2011
Specialties on file
3
What do these letters mean?
MS — Master of Science
A graduate science degree.
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

421 W 56th St Apt #3C
New York, NY 10019-3607 Not confirmed with CMS for 14 years — call before visiting
Phone: (773) 294-7133
Fax: (856) 344-1438
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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 881783 (NY)
Registered Dietitian Taxonomy 133V00000X · Licence 164005280 (IL)
Registered Dietitian Taxonomy 133V00000X · Licence 006946 (NY)

Record details

NPI number1780969899
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RD , CDN , LDN
Sole proprietorYes
NPI enumeratedOctober 20, 2011
Last updated in NPPESOctober 20, 2011

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