NPI Portal NPI Lookup & Verification

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

Dr. Paul X Wang, M.D.

Internal Medicine Physician in Hackensack, NJ · enumerated 2006 · practices at Robin Ellen Leder, M.D., L.L.C..

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

National Provider Identifier

1720003940

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Registry record

Entity type Individual (Type 1)
Name Dr. Paul X Wang
Credential M.D.
Sex Male
Practice address Hackensack, NJ, 07601
Phone (201) 343-4250
Fax (201) 343-7779
Enumeration date Jul 12, 2006
Last updated in NPPES Jul 8, 2007

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

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MA070019 (NJ) Primary
MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
0063479 Medicaid NJ —

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.

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Frequently asked questions

How do I verify Paul Wang's NPI record?
Cross-check NPI 1720003940 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1720003940 active?
Yes — as of the latest NPPES snapshot, NPI 1720003940 is active (record last updated 2007-07-08).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.