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

Harriot G. Silliman, APN

Individual provider Nurse Practitioner · NPI 1700157724

Harriot G. Silliman, APN is a Nurse Practitioner in Wilmington, Delaware. Licensed in California and Pennsylvania. Registered with an NPI since 2012.

Licensed in
CA, PA
In the registry since
2012
Specialties on file
2
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

See every abbreviation used in this directory →

Practice location Address checks out

1600 Rockland Rd
Wilmington, DE 19803-3607
Phone: (302) 651-5600
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence NP95002166 (CA)
Nurse Practitioner Taxonomy 363L00000X · Licence SP011719 (PA)

Record details

NPI number1700157724
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorNo
NPI enumeratedJanuary 23, 2012
Last updated in NPPESMay 3, 2019

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