Doctor profile · Federal record
Dr. Mark Overton, M.D.
Geriatric Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Little River, SC
- NPI 1568437184
- Accepts Medicare
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4237 River Hills Drive, Suite 150, River Hills Medical Plaza
Little River, SC 295666444
(843) 281-2778
fax (843) 281-2785
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- May 18, 2012
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207RG0300X — NUCC code
- State license (1)
- South Carolina #32215
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568437184. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
193
Distinct HCPCS
5
Medicare allowed
$25,581
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 79 | 79 | $165 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 52 | 34 | $76 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 32 | 32 | $124 | |
99239 |
Hospital discharge day management, more than 30 minutes | 15 | 15 | $109 | |
99291 |
Critical care, first 30-74 minutes | 15 | 11 | $203 |
In context: peer comparison
Among 1 peers in Little River Geriatric Medicine (Internal Medicine) Physician, average services per provider: 38. This provider delivers 5.1× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Mark Overton's medical specialty?
Dr. Mark Overton practices Geriatric Medicine (Internal Medicine) Physician in Little River, SC.
Where does Dr. Mark Overton practice?
Dr. Mark Overton practices at 4237 River Hills Drive, Suite 150, Little River, SC 295666444. Office phone: 8432812778.
What is Dr. Mark Overton's NPI?
Dr. Mark Overton's National Provider Identifier (NPI) is 1568437184, issued by NPPES.
Does Dr. Mark Overton accept Medicare assignment?
Yes. Dr. Mark Overton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Overton commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.