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

Dr. Irvin Roy Barnes, PHD

Individual provider Professional Counselor · NPI 1720382237

Dr. Irvin Roy Barnes, PHD is a Professional Counselor in Washington, District of Columbia. Practices as a sole proprietor and works from 2 locations. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2010
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

1221 Taylor St NW
Washington, DC 20011-5617
Phone: (202) 464-9200
Fax: (202) 635-5915
Show map & directions

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

Additional practice locations (1)

  • 920 Bellevue St Se, Washington, DC 20032-6030 — (202) 562-4939

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence PRC726 (DC)

Record details

NPI number1720382237
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 28, 2010
Last updated in NPPESDecember 21, 2023
Certification dateDecember 21, 2023

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