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

William Irving Swan, RDN, LD, FAND

Individual provider Registered Dietitian · NPI 1285002261

William Irving Swan, RDN, LD, FAND is a Registered Dietitian in Ranchos de Taos, New Mexico. Practices as a sole proprietor. Licensed in New Mexico.

Licensed in
NM
In the registry since
2015
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.
LD — Licensed Dietitian
A dietitian licensed by a state board.

See every abbreviation used in this directory →

Practice location Address checks out

76 C Tomas H Romero Rd
Ranchos de Taos, NM 87557
Phone: (575) 737-0255
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence LD-0904 (NM)

Record details

NPI number1285002261
Entity typeIndividual (Type 1)
GenderMale
Credentials RDN , LD , FAND
Sole proprietorYes
NPI enumeratedSeptember 9, 2015
Last updated in NPPESSeptember 9, 2015

Other providers in Ranchos de Taos