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

Rebecca Whitlock, LMHC

Mental Health Counselor in Sioux City, IA · enumerated 2011 · practices at John D. Kiernan Od.

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

National Provider Identifier

1760764880

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Registry record

Entity type Individual (Type 1)

Name Rebecca Whitlock

Credential LMHC

Sex Female

Practice address Sioux City, IA, 51105

Phone (712) 202-2968

Fax (712) 201-4660

Enumeration date Sep 14, 2011

Last updated in NPPES Nov 15, 2021

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

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 001396 (IA) Primary

Other identifiers

Identifier	Type	State	Issuer
10026887200	Medicaid	IA	-
IA114479	Medicaid	IA	-

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

How do I verify Rebecca Whitlock's NPI record?

Cross-check NPI 1760764880 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1760764880 active?

Yes, as of the latest NPPES snapshot, NPI 1760764880 is active (record last updated 2021-11-15).

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John Kiernan Optometrist · Sioux City, IA NPI 1326046152 John D. Kiernan Od Eyewear Supplier · Sioux City, IA NPI 1912176256

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-15.