Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Jay Hammett Jr., M.D.
Specialist in Knoxville, TN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1871562843
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Registry record
Entity type Individual (Type 1)
Name Dr. Jay Hammett Jr.
Credential M.D.
Sex Male
Practice address 4711 Centerline Dr, Suite 100, Knoxville, TN, 37917
Phone (865) 545-8700
Fax (865) 545-8704
Enumeration date Mar 14, 2006
Last updated in NPPES Dec 29, 2011
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 |
|---|---|---|---|
| 3373398 | Medicaid | TN | - |
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 Jay Hammett practice?
The practice location on file with NPPES is in Knoxville, TN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jay Hammett?
The National Provider Identifier (NPI) for Jay Hammett is 1871562843, 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 2011-12-29.