Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen S. Hayes, N.P.

Q: What is the NPI number for Karen Hayes?

The National Provider Identifier (NPI) for Karen Hayes is 1003812918, a Type 1 (individual) record in the CMS NPPES registry.

Family Nurse Practitioner in Lake Ozark, MO · enumerated 2005 · practices at Lake Regional Health System.

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

National Provider Identifier

1003812918

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Registry record

Entity type Individual (Type 1)

Name Karen S. Hayes

Credential N.P.

Sex Female

Practice address 1870 Bagnell Dam Blvd, Lake Ozark, MO, 65049

Phone (573) 365-2318

Fax (573) 365-3009

Enumeration date Jun 24, 2005

Last updated in NPPES Jul 31, 2013

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 44778 (KS) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2013010843 (MO) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier	Type	State	Issuer
500014824	Other	-	RAIL ROAD MEDICARE
100383580A	Medicaid	KS	-
66720A035	Other	-	TRICARE
160479	Other	KS	BLUE CROSS BLUE SHIELD

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 Karen Hayes?

The National Provider Identifier (NPI) for Karen Hayes is 1003812918, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Hayes practice?

The practice location on file with NPPES is in Lake Ozark, MO. 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 2013-07-31.