Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. David J Widmyer, D.O.

Nephrology Physician in Venice, FL · enumerated 2009.

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

National Provider Identifier

1396972246

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Registry record

Entity type Individual (Type 1)

Name Dr. David J Widmyer

Credential D.O.

Sex Male

Practice address 1500 E Venice Ave Unit 103, Venice, FL, 34292

Phone (941) 485-4700

Fax (941) 485-2888

Enumeration date Jun 18, 2009

Last updated in NPPES Aug 28, 2018

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License OS016250 (PA) Secondary

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License OS15121 (FL) 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

What is the NPI number for David Widmyer?

The National Provider Identifier (NPI) for David Widmyer is 1396972246, a Type 1 (individual) record in the CMS NPPES registry.

Where does David Widmyer practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-08-28.