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

Individual provider Registered Dietitian · NPI 1568816825

Mary Opfer, MS, RDN, CDN is a Registered Dietitian in Yorktown Heights, New York. Practices as a sole proprietor and works from 2 locations. Licensed in Connecticut and New York.

Licensed in
CT, NY
In the registry since
2016
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

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Practice location Address checks out

11 Green Tree Rd
Yorktown Heights, NY 10598-6327
Phone: (914) 774-8530
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 42 Lake Avenue Ext, Danbury, CT 06811-5279 — (914) 774-8530

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 007758 (NY)
Registered Dietitian Taxonomy 133V00000X · Licence 001534 (CT)

Record details

NPI number1568816825
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RDN , CDN
Sole proprietorYes
NPI enumeratedApril 22, 2016
Last updated in NPPESMarch 6, 2019

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