Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Steven Gary Dorsky, MD

Specialist in Chatham, NJ · enumerated 2006.

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

National Provider Identifier

1124090337

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Registry record

Entity type Individual (Type 1)

Name Dr. Steven Gary Dorsky

Credential MD

Sex Male

Practice address 40 Main St, Chatham, NJ, 07928

Phone (973) 635-0800

Fax (973) 635-6254

Enumeration date Feb 2, 2006

Last updated in NPPES Jun 3, 2010

Taxonomy & licenses

174400000X Specialist Other Service Providers · License MA41665 (NJ) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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 1124090337 active?

Yes, as of the latest NPPES snapshot, NPI 1124090337 is active (record last updated 2010-06-03).

How do I verify Steven Dorsky's NPI record?

Cross-check NPI 1124090337 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 2010-06-03.