NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

James W Malewicz, CASAC

Addiction (Substance Use Disorder) Counselor in Jamaica, NY · enumerated 2014 · practices at Interline Eap.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1922425958

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name James W Malewicz
Credential CASAC
Sex Male
Practice address Jamaica, NY, 11435
Fax (718) 206-9141
Enumeration date Mar 27, 2014
Last updated in NPPES Mar 27, 2014

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 20598 (NY) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify James Malewicz's NPI record?
Cross-check NPI 1922425958 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1922425958 active?
Yes, as of the latest NPPES snapshot, NPI 1922425958 is active (record last updated 2014-03-27).

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-03-27.