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

MS. Marguerite Walsh McGarrah, CRNP

Individual provider Family Nurse Practitioner · NPI 1578663621

MS. Marguerite Walsh McGarrah, CRNP is a Family Nurse Practitioner in Washington, District of Columbia. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006
What do these letters mean?
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

50 Irving St NW
Washington, DC 20422-0001
Phone: (202) 745-8000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence R120763 (MD)

Record details

NPI number1578663621
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedSeptember 25, 2006
Last updated in NPPESJuly 9, 2007

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