Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ruth Esther Smith, MD

Q: What is the NPI number for Ruth Smith?

The National Provider Identifier (NPI) for Ruth Smith is 1275887366, a Type 1 (individual) record in the CMS NPPES registry.

Family Medicine Physician in Saint Croix Falls, WI · enumerated 2012.

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

National Provider Identifier

1275887366

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Registry record

Entity type Individual (Type 1)

Name Dr. Ruth Esther Smith

Credential MD

Sex Female

Practice address 235 E State St, Saint Croix Falls, WI, 54024

Phone (715) 483-3221

Fax (715) 483-0507

Enumeration date Oct 29, 2012

Last updated in NPPES Jun 21, 2021

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 01074582A (IN) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 66625 (MN) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 71414 (WI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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 Ruth Smith?

The National Provider Identifier (NPI) for Ruth Smith is 1275887366, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ruth Smith practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-06-21.