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

Margaret M McQuiggan, MS, RD, CNSD, LD

Individual provider Registered Dietitian · NPI 1861534489

Margaret M McQuiggan, MS, RD, CNSD, LD is a Registered Dietitian in Houston, Texas. Licensed in Texas. Registered with an NPI since 2007.

Licensed in
TX
In the registry since
2007
What do these letters mean?
MS — Master of Science
A graduate science degree.
RD — Registered Dietitian
A credentialed nutrition professional.
LD — Licensed Dietitian
A dietitian licensed by a state board.

See every abbreviation used in this directory →

Practice location Address checks out

6550 Fannin St Ste 1601
Houston, TX 77030-2717
Phone: (713) 441-5125
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence DT03324 (TX)

Record details

NPI number1861534489
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RD , CNSD , LD
Sole proprietorNo
NPI enumeratedFebruary 12, 2007
Last updated in NPPESJuly 8, 2007

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