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

Mr. Mark Howard Overton, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1568437184

Mr. Mark Howard Overton, MD is an Internal Medicine in Little River, South Carolina. Qualified in 1981, 45 years ago. Practices with Usacs Integrated Acute Care Services of North Carolina, PLLC, a 87-clinician group and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
45
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

4237 River Hills Dr Ste 150 River Hills Medical Plaza
Little River, SC 29566-6444
Phone: (843) 281-2778
Fax: (843) 281-2785
Show map & directions

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

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence 32215 (SC)

Record details

NPI number1568437184
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 17, 2006
Last updated in NPPESMay 18, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Usacs Integrated Acute Care Services Of North Carolina, Pllc — 87 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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