Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Leonard T Karadimas, DO

Orthopaedic Surgery Physician in Port Huron, MI · enumerated 2006.

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

National Provider Identifier

1194797654

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Registry record

Entity type Individual (Type 1)

Name Dr. Leonard T Karadimas

Credential DO

Sex Male

Practice address 1231 Pine Grove Ave, Suite 1a, Port Huron, MI, 48060

Phone (810) 985-4300

Fax (810) 985-9320

Enumeration date Feb 7, 2006

Last updated in NPPES Mar 23, 2012

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License LK012026 (MI) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
3446462	Medicaid	MI	-

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 Leonard Karadimas?

The National Provider Identifier (NPI) for Leonard Karadimas is 1194797654, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leonard Karadimas practice?

The practice location on file with NPPES is in Port Huron, MI. 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 2012-03-23.