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

Rolf Armand Ritchie, PHD

Individual provider Psychologist · NPI 1912578584

Rolf Armand Ritchie, PHD is a Psychologist in Wilmington, Delaware. Practices as a sole proprietor. Licensed in Delaware.

Licensed in
DE
In the registry since
2021
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

32 Sturbridge Dr
Wilmington, DE 19810-1124
Phone: (567) 277-2139
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence B1-0011276 (DE)

Record details

NPI number1912578584
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 6, 2021
Last updated in NPPESJuly 6, 2021
Certification dateJuly 6, 2021
Mailing address32 Sturbridge Dr, Wilmington, DE 19810-1124

Other providers in Wilmington