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

Joan Diodato Metzner, LDN

Individual provider Metabolic Nutrition Registered Dietitian · NPI 1225226285

Joan Diodato Metzner, LDN is a Metabolic Nutrition Registered Dietitian in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2007.

Licensed in
PA
In the registry since
2007
What do these letters mean?
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

See every abbreviation used in this directory →

Practice location Address checks out

3400 Spruce St 4 Penn Tower
Philadelphia, PA 19104-4206
Phone: (215) 662-2468
Fax: (215) 349-8529
Show map & directions

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

Specialties & licences

Metabolic Nutrition Registered Dietitian (primary) Taxonomy 133VN1006X · Licence DN000108 (PA)

Record details

NPI number1225226285
Entity typeIndividual (Type 1)
GenderFemale
Credentials LDN
Sole proprietorNo
NPI enumeratedOctober 4, 2007
Last updated in NPPESOctober 4, 2007

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