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

Mr. John Thomas Hardenbergh, LGSW

Individual provider Clinical Social Worker · NPI 1033786058

Mr. John Thomas Hardenbergh, LGSW is a Clinical Social Worker in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2021.

Licensed in
DC
In the registry since
2021

Practice location Address checks out

2015 Connecticut Ave NW Ste 1000
Washington, DC 20036
Phone: (202) 744-8187
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LG50082652 (DC)

Record details

NPI number1033786058
Entity typeIndividual (Type 1)
GenderMale
Credentials LGSW
Sole proprietorNo
NPI enumeratedJune 8, 2021
Last updated in NPPESJune 8, 2021
Certification dateMay 21, 2021

Other providers in Washington