Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marshall Kirsch, DO

Neurology Physician in Festus, MO · enumerated 2020.

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

National Provider Identifier

1699301549

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Registry record

Entity type Individual (Type 1)

Name Marshall Kirsch

Credential DO

Sex Male

Practice address 1400 Us Highway 61 Ste 120, Festus, MO, 63028

Phone (636) 933-8270

Fax (636) 933-1233

Enumeration date Mar 22, 2020

Last updated in NPPES Jun 9, 2025

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 2025014317 (MO) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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

Where does Marshall Kirsch practice?

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

What is the NPI number for Marshall Kirsch?

The National Provider Identifier (NPI) for Marshall Kirsch is 1699301549, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-09.