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

Fiona Maria McMahon, RD, LD, CPHQ

Individual provider Registered Dietitian · NPI 1265748123

Fiona Maria McMahon, RD, LD, CPHQ is a Registered Dietitian in Alexandria, Virginia. Practices as a sole proprietor. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2010
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
LD — Licensed Dietitian
A dietitian licensed by a state board.

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Practice location Address checks out

6212 N Morgan St
Alexandria, VA 22312-5509
Phone: (703) 658-4451
Fax: (703) 658-4227
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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 DI700 (DC)

Record details

NPI number1265748123
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LD , CPHQ
Sole proprietorYes
NPI enumeratedAugust 29, 2010
Last updated in NPPESAugust 29, 2010

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