John Hardenbergh, LGSW
NPI 1033786058 · Clinical Social Worker · Washington, DC
John Hardenbergh, LGSW is a Clinical Social Worker provider in Washington, DC (NPI 1033786058).
Provider details
- NPI number
- 1033786058
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LGSW
- Sex
- Male
- Sole proprietor
- No
- License
- LG50082652 (DC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-06-08
- Last updated
- 2021-06-08
- Certified
- 2021-05-21
Frequently asked questions
- What is John Hardenbergh's NPI number?
- John Hardenbergh's National Provider Identifier (NPI) is 1033786058, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hardenbergh's specialty?
- John Hardenbergh is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is John Hardenbergh located?
- John Hardenbergh's practice location on file with NPPES is 2015 Connecticut Ave Nw, Washington, DC 20036.
- What is John Hardenbergh's phone number?
- The practice phone number listed in the NPPES registry for John Hardenbergh is (202) 744-8187.
- Is John Hardenbergh's NPI active?
- Yes — John Hardenbergh's NPI (1033786058) is active in the NPPES registry as of the last update on 2021-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.