Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Marissa Drew Thweatt, RBT

Behavior Analyst in Lexington, TN · enumerated 2022.

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

National Provider Identifier

1639822745

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Registry record

Entity type Individual (Type 1)

Name Ms. Marissa Drew Thweatt

Credential RBT

Sex Female

Practice address 530 Scarce Creek Rd, Lexington, TN, 38351

Phone (731) 610-3684

Enumeration date Jan 28, 2022

Last updated in NPPES Apr 26, 2023

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social Service Providers Secondary

103K00000X Behavior Analyst Behavioral Health & Social Service Providers 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

Is NPI 1639822745 active?

Yes, as of the latest NPPES snapshot, NPI 1639822745 is active (record last updated 2023-04-26).

How do I verify Marissa Thweatt's NPI record?

Cross-check NPI 1639822745 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Jacqueline Thweatt-Burton Behavior Analyst · Lexington, TN NPI 1891318986 Candy Hayes Behavior Technician · Lexington, TN NPI 1881473288 Trevon Johnson Behavior Technician · Lexington, TN NPI 1043015696 Heather Ray Behavior Technician · Lexington, TN NPI 1922806785 Nicole Smith Behavior Technician · Lexington, TN NPI 1801789961

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-04-26.