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

MS. Peggy Lynn Gregson, MPH, RD, LD

Individual provider Registered Dietitian · NPI 1538455845

MS. Peggy Lynn Gregson, MPH, RD, LD is a Registered Dietitian in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2011
What do these letters mean?
MPH — Master of Public Health
A graduate degree in population health.
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

2440 M St NW 417
Washington, DC 20037-1404
Phone: (202) 570-5151
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence DI454 (DC)

Record details

NPI number1538455845
Entity typeIndividual (Type 1)
GenderFemale
Credentials MPH , RD , LD
Sole proprietorYes
NPI enumeratedJune 24, 2011
Last updated in NPPESJune 24, 2011

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