Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Cynthia Jane Heiss, PHD, RDN, LD

Individual provider Registered Dietitian · NPI 1508383183

Dr. Cynthia Jane Heiss, PHD, RDN, LD is a Registered Dietitian in San Antonio, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2017
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.
LD — Licensed Dietitian
A dietitian licensed by a state board.

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Practice location Address checks out

3467 River Way
San Antonio, TX 78230-2518
Phone: (805) 766-9055
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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 DT83051 (TX)

Record details

NPI number1508383183
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , RDN , LD
Sole proprietorYes
NPI enumeratedAugust 24, 2017
Last updated in NPPESJuly 21, 2022

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