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

Annie Guan, PHARMD

Individual provider Pharmacist · NPI 1922402601

Annie Guan, PHARMD is a Pharmacist in Gaithersburg, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2014
What do these letters mean?
PHARMD — Doctor of Pharmacy
The professional degree required to practise as a pharmacist in the United States.

See every abbreviation used in this directory →

Practice location Address checks out

25 Grand Corner Ave
Gaithersburg, MD 20878-7305
Phone: (301) 721-1830
Show map & directions

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

Specialties & licences

Pharmacist (primary) Taxonomy 183500000X · Licence 22599 (MD)

Record details

NPI number1922402601
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHARMD
Sole proprietorYes
NPI enumeratedOctober 9, 2014
Last updated in NPPESOctober 9, 2014

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