Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Machteld Elisabeth Hillen, M.D.

Neurology Physician in Newark, NJ · enumerated 2006.

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

National Provider Identifier

1255362463

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Registry record

Entity type Individual (Type 1)

Name Machteld Elisabeth Hillen

Credential M.D.

Sex Female

Practice address 90 Bergen St, Doc 8100, Newark, NJ, 07103

Phone (973) 972-2550

Fax (973) 972-2559

Enumeration date Jul 5, 2006

Last updated in NPPES Feb 3, 2022

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 25MA07102500 (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
8270601	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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1255362463 active?

Yes, as of the latest NPPES snapshot, NPI 1255362463 is active (record last updated 2022-02-03).

How do I verify Machteld Hillen's NPI record?

Cross-check NPI 1255362463 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 2022-02-03.