Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Henry John Iwinski Jr., MD

Orthopaedic Surgery Physician in Lexington, KY · enumerated 2006.

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

National Provider Identifier

1689770661

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Registry record

Entity type Individual (Type 1)

Name Henry John Iwinski Jr.

Credential MD

Sex Male

Practice address 740 S Limestone, Lexington, KY, 40536

Phone (859) 323-5533

Enumeration date Sep 16, 2006

Last updated in NPPES Jun 3, 2020

Taxonomy & licenses

207XX0801X Orthopaedic Trauma Physician Allopathic & Osteopathic Physicians · License 34483 (KY) Secondary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 34483 (KY) 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
643484360	Medicaid	KY	-

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 1689770661 active?

Yes, as of the latest NPPES snapshot, NPI 1689770661 is active (record last updated 2020-06-03).

How do I verify Henry Iwinski's NPI record?

Cross-check NPI 1689770661 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 2020-06-03.