Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. William B Hart, M.D.
Specialist in Lake Charles, LA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851334270
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Registry record
Entity type Individual (Type 1)
Name Dr. William B Hart
Credential M.D.
Sex Male
Practice address 1920 West Sale Road Bldg F Ste 3, Lake Charles, LA, 70605
Phone (337) 439-4014
Fax (337) 439-0185
Enumeration date Jun 14, 2006
Last updated in NPPES Aug 19, 2022
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 |
|---|---|---|---|
| 1330914 | Medicaid | LA | - |
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
What is the NPI number for William Hart?
The National Provider Identifier (NPI) for William Hart is 1851334270, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Hart practice?
The practice location on file with NPPES is in Lake Charles, LA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-08-19.