Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Charles F Irwin, M.D.
Specialist in Richmond, VA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639141039
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Registry record
Entity type Individual (Type 1)
Name Dr. Charles F Irwin
Credential M.D.
Sex Male
Practice address 10431 Patterson Ave, Richmond, VA, 23238
Phone (804) 741-6200
Fax (804) 741-6213
Enumeration date Feb 2, 2006
Last updated in NPPES Nov 25, 2009
Taxonomy & licenses
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 |
|---|---|---|---|
| 080188105 | Other | VA | MEDICARE RAILROAD |
| 292417 | Other | VA | ANTHEM |
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.
Frequently asked questions
Where does Charles Irwin practice?
The practice location on file with NPPES is in Richmond, VA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Charles Irwin?
The National Provider Identifier (NPI) for Charles Irwin is 1639141039, 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 2009-11-25.