Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Marissa E Leong, DC

Chiropractor in Saint Peters, MO · enumerated 2023 · practices at Wellness Way St Peters LLC.

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

National Provider Identifier

1548975006

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Registry record

Entity type Individual (Type 1)

Name Dr. Marissa E Leong

Credential DC

Sex Female

Practice address 1600 Heritage Lndg Ste 203, Saint Peters, MO, 63303

Phone (636) 685-0717

Enumeration date Jan 19, 2023

Last updated in NPPES Nov 17, 2025

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License 2023038173 (MO) Primary

111N00000X Chiropractor Chiropractic Providers · License CHI-CHI-LIC-8015 (MT) Secondary

DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC 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

What is the NPI number for Marissa Leong?

The National Provider Identifier (NPI) for Marissa Leong is 1548975006, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marissa Leong practice?

The practice location on file with NPPES is in Saint Peters, MO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Wellness Way St Peters LLC Chiropractor · Saint Peters, MO NPI 1750056982 Gabrielle Hartin Chiropractor · Saint Peters, MO NPI 1194574962

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-17.