Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Michael L Bilof, M.D.

Surgery Physician in Millburn, NJ · enumerated 2006.

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

National Provider Identifier

1891723136

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Registry record

Entity type Individual (Type 1)

Name Dr. Michael L Bilof

Credential M.D.

Sex Male

Practice address 225 Millburn Ave, Suite 204, Millburn, NJ, 07041

Phone (973) 218-1990

Fax (973) 629-1274

Enumeration date Jun 28, 2006

Last updated in NPPES Sep 15, 2009

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License MA056419 (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

How do I verify Michael Bilof's NPI record?

Cross-check NPI 1891723136 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1891723136 active?

Yes, as of the latest NPPES snapshot, NPI 1891723136 is active (record last updated 2009-09-15).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-09-15.