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

Alfred Lambert Bonjean, MD

Orthopaedic Surgery Physician in Merrillville, IN · enumerated 2006.

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

National Provider Identifier

1003884834

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Registry record

Entity type Individual (Type 1)

Name Alfred Lambert Bonjean

Credential MD

Sex Male

Practice address Merrillville, IN, 46410

Phone (219) 769-4835

Fax (219) 769-5816

Enumeration date Mar 9, 2006

Last updated in NPPES Mar 9, 2015

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

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 01024800A (IN) 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
000000084012	Other	-	ANTHEM
100167330	Medicaid	IN	-

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

What is the NPI number for Alfred Bonjean?

The National Provider Identifier (NPI) for Alfred Bonjean is 1003884834, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alfred Bonjean practice?

The practice location on file with NPPES is in Merrillville, IN. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-03-09.