Registry data as of Aug 27, 2026

Stewart Diaz, LCSW

Mental Health Counselor · Stirling, NJ

Stewart Diaz, LCSW is a mental health counselor with a practice address in Stirling, New Jersey, and NPI 1669725461, issued on Oct 18, 2012. Check the license (New Jersey 44SC00389300, as entered in NPPES) with the New Jersey board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1669725461
Name
Stewart Diaz
Credential
LCSW
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
44SC00389300 NJ
Self-reported in NPPES; status is on the state search
Practice location
280 High St, Stirling, NJ 07980
Phone
(908) 347-8458
Enumerated
Oct 18, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Stewart Diaz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license 44SC00389300
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the New Jersey license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

6 mental health counselor records list a Stirling practice address

They are 6 of the 97 NPPES records with a Stirling practice address, and 10,194 mental health counselor records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other mental health counselor records in New Jersey

  1. Gina AbateWestampton, NJ1881347656
  2. Vida Abbam-KeeneWestampton, NJ1679194286
  3. Jane-Roz AbbeWestampton, NJ1659117091
  4. Angela Abbott, MS, LAC, LCADC, CCTPBrick, NJ1336076744
  5. Megan AbbottLumberton, NJ1417363169
  6. Monica AbdalmessihWestampton, NJ1386220762
  7. Nadine Abdelaziz, LAC, CCTPParamus, NJ1154186757
  8. Shadi AbdelmalakWestampton, NJ1629849732
  9. Emelene Abdul-BakyWestampton, NJ1881351591
  10. Abdullah Abdul-Hakeem, ED.MNewark, NJ1790037364

Common questions

What is Stewart Diaz, LCSW's NPI number?

Stewart Diaz, LCSW's National Provider Identifier (NPI) is 1669725461, issued on Oct 18, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Stewart Diaz, LCSW located?

The NPPES record lists a practice address at 280 High St, Stirling, NJ, 07980. Phone: (908) 347-8458. Providers update this record themselves, so call before visiting.

How can I verify Stewart Diaz, LCSW's license?

NPPES lists New Jersey license number 44SC00389300, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.