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

Mary H Feth

Q: What is the NPI number for Mary Feth?

The National Provider Identifier (NPI) for Mary Feth is 1497751960, a Type 1 (individual) record in the CMS NPPES registry.

Pediatrics Physician in Washington, MO · enumerated 2005.

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

National Provider Identifier

1497751960

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Registry record

Entity type Individual (Type 1)

Name Mary H Feth

Sex Female

Practice address Washington, MO, 63090

Phone (636) 432-1560

Fax (636) 432-1563

Enumeration date Jun 21, 2005

Last updated in NPPES Feb 28, 2013

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

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD106702 (MO) Primary

Other identifiers

Identifier	Type	State	Issuer
207801309	Medicaid	MO	-

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 Mary Feth?

The National Provider Identifier (NPI) for Mary Feth is 1497751960, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary Feth practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-02-28.