Louis Castle, LCSW
Clinical Social Worker · Princeton, NJ
Louis Castle, LCSW is a clinical social worker with a practice address in Princeton, New Jersey, and NPI 1720201304, issued on Apr 11, 2007. Check the license (New Jersey 44SC05252000, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Louis Castle
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 44SC05252000 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 20 Nassau St Ste 310, Princeton, NJ 08542
- Phone
- (732) 491-7056
- Enumerated
- Apr 11, 2007
- Entity
- Type 1 · individual
Also registered at 20 Nassau St Ste 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dorianne Agarwal, LCSW, CEAPClinical Social Worker1316189707
Verify Louis Castle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 44SC05252000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
The practice group's Medicare quality score for 2023: 78.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Supportive Care Psychology OF NJ PCPrinceton, NJ
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
148 clinical social worker records list a Princeton practice address
They are 148 of the 1,622 NPPES records with a Princeton practice address, and 9,060 clinical social worker records in New Jersey.
All 148 in Princeton → All 9,060 in New Jersey → Every provider in Princeton →
Other clinical social worker records in New Jersey
- Paige Aaron, LCSWHopewell, NJ1578532891
- Ariella AbayevFreehold, NJ1184340978
- Kristen AbbatemarcoBrick, NJ1518325166
- Cynthia AbbottWest Orange, NJ1013381201
- Georgiana Abdelmoety, LSWHamilton, NJ1215825237
- Habeebah Abdus-Salaam, LCSWWillingboro, NJ1609619246
- Diane Abel, LCSWFair Lawn, NJ1164974275
- Yemisi Abiona, MSWClark, NJ1538414180
- Kristen Abitante, LSWParamus, NJ1689399974
- Arlyn Abouzied, LCSWTenafly, NJ1629595988
Common questions
What is Louis Castle, LCSW's NPI number?
Louis Castle, LCSW's National Provider Identifier (NPI) is 1720201304, issued on Apr 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Louis Castle, LCSW located?
The NPPES record lists a practice address at 20 Nassau St Ste 310, Princeton, NJ, 08542. Phone: (732) 491-7056. Providers update this record themselves, so call before visiting.
How can I verify Louis Castle, LCSW's license?
NPPES lists New Jersey license number 44SC05252000, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
What is Louis Castle, LCSW's Medicare quality score?
The 2023 MIPS final score is 78.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.