Doctor profile · Federal record

Dr. Mark Keaton, M.D.

Hematology & Oncology Physician (CMS: Medical Oncology) · Hematology & Oncology Physician · Florence, SC

  • NPI 1477530533
  • Accepts Medicare
  • MIPS 76.2 / 100 · 2023
  • 43 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
805 Pamplico Hwy Ste 315
Florence, SC 295056047
(843) 674-6460
Additional location
450 Society Hill Dr
Aiken, SC 298031731
(706) 774-2583
fax (706) 722-3648
Mailing address
Po Box 603898
Charlotte, NC 282603898

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
January 25, 2022
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
South Carolina #51420 · Georgia #028423
Medicaid (2)
GA #00531649J · SC #G28423

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477530533. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
50
Distinct HCPCS
2
Medicare allowed
$4,099
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 34 33 $91
99213 Established patient office or other outpatient visit, 20-29 minutes 16 15 $62

In context: peer comparison

Among 4 peers in Florence Hematology & Oncology Physician, average services per provider: 140. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$9,432
Transactions
13
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 12 $9,412.00
Kite Pharma, INC. 1 $20.37

By nature of payment

Consulting Fee
$8,240
Travel and Lodging
$1,080
Food and Beverage
$112

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$461
Drug Type Claims Patients Total cost
Anastrozole Generic 12 0 $461

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Keaton's medical specialty?
Dr. Mark Keaton practices Hematology & Oncology Physician in Florence, SC.
Where does Dr. Mark Keaton practice?
Dr. Mark Keaton practices at 805 Pamplico Hwy Ste 315, Florence, SC 295056047. Office phone: 8436746460.
What is Dr. Mark Keaton's NPI?
Dr. Mark Keaton's National Provider Identifier (NPI) is 1477530533, issued by NPPES.
Does Dr. Mark Keaton accept Medicare assignment?
Yes. Dr. Mark Keaton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Keaton commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.