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

Individual provider Internal Medicine Physician · NPI 1891755039

Dr. Ruben L Mayer, MD is an Internal Medicine in Columbia, South Carolina. Graduated from University of South Carolina School of Medicine in 1985, 41 years ago. Practices with Lexington Health Inc, a 903-clinician group and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
41
Trained at
University of South Carolina School of Medicine
Licensed in
SC
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4540 Trenholm Rd
Columbia, SC 29206-4462
Phone: (803) 790-4700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 13804 (SC)

Record details

NPI number1891755039
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2006
Last updated in NPPESNovember 9, 2020
Certification dateNovember 9, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF SOUTH CAROLINA SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Lexington Health Inc — 903 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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