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

James Duncan, PHD

Individual provider Counselor · NPI 1134746134

James Duncan, PHD is a Counselor in Upper Marlboro, Maryland. Practices as a sole proprietor. Registered with an NPI since 2020.

In the registry since
2020
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

3209 Hunting Horn Ln
Upper Marlboro, MD 20774-7549
Phone: (240) 353-6548
Show map & directions

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

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X · Licence 00001

Record details

NPI number1134746134
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 25, 2020
Last updated in NPPESJune 25, 2020
Certification dateJune 25, 2020
Mailing address3209 Hunting Horn Ln, Upper Marlboro, MD 20774-7549

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