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

Dr. Stanley Sidney Schonbuch, PH.D.

Psychologist in Staten Island, NY · enumerated 2006.

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

National Provider Identifier

1891773529

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Registry record

Entity type Individual (Type 1)

Name Dr. Stanley Sidney Schonbuch

Credential PH.D.

Sex Male

Practice address Staten Island, NY, 10305

Phone (718) 987-3331

Fax (718) 987-6079

Enumeration date Jan 3, 2006

Last updated in NPPES Dec 22, 2010

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

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 3589 (NY) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

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

Is NPI 1891773529 active?

Yes, as of the latest NPPES snapshot, NPI 1891773529 is active (record last updated 2010-12-22).

How do I verify Stanley Schonbuch's NPI record?

Cross-check NPI 1891773529 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-12-22.