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

Clayton Notgrass, LMFT, LPC, NCC

Marriage & Family Therapist in Clayton, MO · enumerated 2007.

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

National Provider Identifier

1790988301

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Registry record

Entity type Individual (Type 1)

Name Clayton Notgrass

Credential LMFT, LPC, NCC

Sex Male

Practice address Clayton, MO, 63105

Phone (314) 615-4400

Fax (314) 615-4477

Enumeration date Jun 9, 2007

Last updated in NPPES Mar 1, 2009

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

Taxonomy & licenses

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 2007013688 (MO) Secondary

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 1988 (TN) Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 2004019050 (MO) Primary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 599 (TN) Secondary

LMFT · Licensed Marriage and Family Therapist: A licensed therapist specializing in relational and family psychotherapy. About the LMFT credential

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 1790988301 active?

Yes, as of the latest NPPES snapshot, NPI 1790988301 is active (record last updated 2009-03-01).

How do I verify Clayton Notgrass's NPI record?

Cross-check NPI 1790988301 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-03-01.