Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dennis Silver, MD

Family Medicine Physician in Crystal Lake, IL · enumerated 2007.

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

National Provider Identifier

1780726273

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Registry record

Entity type Individual (Type 1)

Name Dennis Silver

Credential MD

Sex Male

Practice address 360 Station Dr, Crystal Lake, IL, 60014

Phone (815) 477-2310

Fax (815) 477-9826

Enumeration date Feb 13, 2007

Last updated in NPPES Mar 17, 2025

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 036122229 (IL) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 24610 (OK) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 036122229 (IL) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 036-122229 (IL) 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

Where does Dennis Silver practice?

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

What is the NPI number for Dennis Silver?

The National Provider Identifier (NPI) for Dennis Silver is 1780726273, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-17.