Dr. William Kellogg MD
About this NPIWhat this record shows.
NPI 1265490643 is registered to Dr. William Kellogg MD, a Hematology & Oncology practising at 1105 N Lafayette Dr, Suite A in Sumter, South Carolina. Hematology & Oncology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. William Kellogg MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 57-1111938SC· Issued by TAX ID
- G2590566528SC· Issued by MEDICARE ID-TYPE UNSPECIFIED
Medicaid
- 172315SC
Source: NPPES public registry.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20060313000332Medical OncologyGA
- I20111123000464Hematology/OncologySC
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. William Kellogg MD accepts. To confirm in-network status with your specific health plan, contact Dr. William Kellogg MD directly at (803) 934-8833.
Frequently asked
Yes. NPI 1265490643 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Hematology & Oncology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (803) 934-8833.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. William Kellogg MD is a Type-1 individual NPI.