Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Charles T Williams, M.D.
Surgery Physician in Phoenix, AZ · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1912958687
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Registry record
Entity type Individual (Type 1)
Name Charles T Williams
Credential M.D.
Sex Male
Practice address 5901 W Indian School Rd, Suite #1, Phoenix, AZ, 85033
Phone (623) 848-8833
Enumeration date May 15, 2006
Last updated in NPPES Jul 9, 2007
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 |
|---|---|---|---|
| 229303 | Medicaid | AZ | - |
| AZ0033830 | Other | AZ | BCBS |
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 Williams practice?
The practice location on file with NPPES is in Phoenix, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Charles Williams?
The National Provider Identifier (NPI) for Charles Williams is 1912958687, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.