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

Stephen Irwin Merlin, MD

Individual provider Addiction Medicine (Internal Medicine) Physician · NPI 1568437143

Stephen Irwin Merlin, MD is an Addiction Medicine (Internal Medicine) Physician in Columbia, South Carolina. Licensed in South Carolina. Registered with an NPI since 2006.

Licensed in
SC
In the registry since
2006
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

1620 Lady St Ste B
Columbia, SC 29201-3482
Phone: (803) 451-7600
Fax: (803) 451-7604
Show map & directions

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

Specialties & licences

Addiction Medicine (Internal Medicine) Physician (primary) Taxonomy 207RA0401X · Licence 213883 (SC)

Record details

NPI number1568437143
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 17, 2006
Last updated in NPPESNovember 18, 2011