Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Roy Douglass Markham, MD

Individual provider Allergy & Immunology Physician · NPI 1588654925

Roy Douglass Markham, MD is an Allergy & Immunology Physician in West Columbia, South Carolina. Licensed in South Carolina. Registered with an NPI since 2005.

Licensed in
SC
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

103 Midlands Ct
West Columbia, SC 29169-3456
Phone: (803) 794-3581
Fax: (803) 791-7286
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 13846 (SC)

Record details

NPI number1588654925
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 26, 2005
Last updated in NPPESFebruary 5, 2013

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