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Dr. Charles L Friedman, MD

Ophthalmology Physician in Collinsville, IL · enumerated 2006 · practices at Richard C L Chen MD Ltd.

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

National Provider Identifier

1962410738

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Registry record

Entity type Individual (Type 1)
Name Dr. Charles L Friedman
Credential MD
Sex Male
Practice address 415 West Main Street, Ste 7, Collinsville, IL, 62234
Phone (618) 344-7866
Fax (618) 345-0503
Enumeration date Aug 4, 2006
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians 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.

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Frequently asked questions

What is the NPI number for Charles Friedman?
The National Provider Identifier (NPI) for Charles Friedman is 1962410738, a Type 1 (individual) record in the CMS NPPES registry.
Where does Charles Friedman practice?
The practice location on file with NPPES is in Collinsville, IL. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.