Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Mark Whelchel, MFT

Marriage & Family Therapist in Las Vegas, NV · enumerated 2010.

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

National Provider Identifier

1891002960

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Registry record

Entity type Individual (Type 1)

Name Mr. Mark Whelchel

Credential MFT

Sex Male

Practice address 2389c Renaissance Dr, Las Vegas, NV, 89119

Phone (702) 434-7290

Fax (702) 434-6940

Enumeration date Sep 9, 2010

Last updated in NPPES Sep 9, 2010

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 0952 (NV) Primary

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 Mark Whelchel?

The National Provider Identifier (NPI) for Mark Whelchel is 1891002960, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Whelchel practice?

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

Other providers at this practice address

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Allison Loaring-Clark Marriage & Family Therapist · Las Vegas, NV NPI 1295044592

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-09-09.