Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ryon Michael Hennessy, MD

Orthopaedic Surgery Physician in Elmhurst, IL · enumerated 2005.

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

National Provider Identifier

1093717480

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Registry record

Entity type Individual (Type 1)

Name Ryon Michael Hennessy

Credential MD

Sex Male

Practice address 360 W Butterfield Rd, Suite 160, Elmhurst, IL, 60126

Phone (630) 782-9600

Fax (630) 782-1643

Enumeration date Aug 15, 2005

Last updated in NPPES Dec 10, 2009

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 036-093298 (IL) 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
02222323	Other	IL	BCBS
036093298	Medicaid	IL	-
200028061	Other	IL	MEDICARE RAILROAD

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 Ryon Hennessy?

The National Provider Identifier (NPI) for Ryon Hennessy is 1093717480, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ryon Hennessy practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-12-10.