Roy Markham M. D.
About this NPIWhat this record shows.
NPI 1588654925 is registered to Roy Markham M. D., a Allergy & Immunology Physician practising at 103 Midlands Ct in West Columbia, South Carolina. Allergy & Immunology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Roy Markham M. D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Beyond the registryWhat this record adds.
This record carries 3 secondary identifiers beyond the base NPI: Medicaid and other payer cross-references used by billers and credentialers, which the standard CMS NPPES lookup does not surface. Within the directory it is one of 67 Allergy & Immunology Physician providers on file in South Carolina.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
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
- 20043186SC· Issued by SELECT HEALTH
- 000000147792SC· Issued by UNISON
Medicaid
- 138461SC
Source: NPPES public registry.
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 Roy Markham M. D. accepts. To confirm in-network status with your specific health plan, contact Roy Markham M. D. directly at (803) 794-3581.
Frequently asked
Yes. NPI 1588654925 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Allergy & Immunology Physician 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) 794-3581.
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. Roy Markham M. D. is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 67 Allergy & Immunology Physician providers are registered in South Carolina, and Roy Markham M. D. is one of them. The figure refreshes each month from the federal source.