Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Clayton Withrow, DDS

Q: What is the NPI number for John Withrow?

The National Provider Identifier (NPI) for John Withrow is 1407915432, a Type 1 (individual) record in the CMS NPPES registry.

Endodontics in Lake Elmo, MN · enumerated 2006.

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

National Provider Identifier

1407915432

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Registry record

Entity type Individual (Type 1)

Name Dr. John Clayton Withrow

Credential DDS

Sex Male

Practice address 8650 Hudson Blvd N, Suite105, Lake Elmo, MN, 55042

Phone (651) 636-1072

Fax (651) 501-1471

Enumeration date Dec 6, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223E0200X Endodontics Dental Providers · License D11398 (MN) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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 John Withrow?

The National Provider Identifier (NPI) for John Withrow is 1407915432, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Withrow practice?

The practice location on file with NPPES is in Lake Elmo, MN. 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 2007-07-08.