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Dr. John W Grudis, MD

Diagnostic Radiology Physician in Lafayette, CO · enumerated 2007.

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

National Provider Identifier

1689718462

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Registry record

Entity type Individual (Type 1)
Name Dr. John W Grudis
Credential MD
Sex Male
Practice address 280 Exempla Cir, Lafayette, CO, 80026
Phone (303) 338-4545
Enumeration date Feb 16, 2007
Last updated in NPPES Jun 4, 2015

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 18989 (CO) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
004859 Other - KAISER-COMMERCIAL NUMBER
01189893 Medicaid CO -

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.

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Frequently asked questions

What is the NPI number for John Grudis?
The National Provider Identifier (NPI) for John Grudis is 1689718462, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Grudis practice?
The practice location on file with NPPES is in Lafayette, CO. 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 2015-06-04.