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

Dr. John Birdsall, ND, LDN

Naturopath in Lake Bluff, IL · enumerated 2014.

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

National Provider Identifier

1306250006

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Registry record

Entity type Individual (Type 1)

Name Dr. John Birdsall

Credential ND, LDN

Sex Male

Practice address Lake Bluff, IL, 60044

Phone (847) 343-2001

Enumeration date Jun 20, 2014

Last updated in NPPES Aug 26, 2016

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

Taxonomy & licenses

175F00000X Naturopath Other Service Providers · License 099.0098042 (VT) Primary

133N00000X Nutritionist Dietary & Nutritional Service Providers · License 164.006907 (IL) Secondary

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 Birdsall?

The National Provider Identifier (NPI) for John Birdsall is 1306250006, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Birdsall practice?

The practice location on file with NPPES is in Lake Bluff, IL. 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 2016-08-26.