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

Dr. Margaret Ann Maher, PHD, RDN

Individual provider Registered Dietitian · NPI 1548002074

Dr. Margaret Ann Maher, PHD, RDN is a Registered Dietitian in Madison, Wisconsin. Licensed in New Hampshire, Rhode Island and Wisconsin. Registered with an NPI since 2024.

Licensed in
NH, RI, WI
In the registry since
2024
Specialties on file
3
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.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

621 Science Dr
Madison, WI 53711-1074
Phone: (608) 265-8303
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 1551 (NH)
Registered Dietitian Taxonomy 133V00000X · Licence 1953 (WI)
Registered Dietitian Taxonomy 133V00000X · Licence LDN01294 (RI)

Record details

NPI number1548002074
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , RDN
Sole proprietorNo
NPI enumeratedJune 6, 2024
Last updated in NPPESApril 20, 2026
Certification dateApril 20, 2026

Other providers in Madison