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
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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
Mailing address25 Grand Corner Ave, Gaithersburg, MD 20878-7305

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