Doctor profile · Federal record

Dr. Steven Clayton, MD

Gastroenterology Physician (CMS: Gastroenterology) · Family Medicine Physician · Greenville, SC

  • NPI 1144292459
  • Accepts Medicare
  • 25 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
890 W Faris RD, Suite 100
Greenville, SC 296054253
(864) 455-2888
fax (864) 455-2885
Mailing address
1 Independence PT, Ste 212
Greenville, SC 296154545

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
October 3, 2015
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
South Carolina #32211 · Tennessee #MD36833
Medicaid
SC #322118

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144292459. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
540
Distinct HCPCS
10
Medicare allowed
$40,597
HCPCS Description Services Patients Avg allowed
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 112 83 $126
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 80 71 $29
91010 Study of esophagus to assess movement 69 69 $61
91037 Monitoring and recording of esophageal function through nasal tube with electrode 69 69 $46
99213 Established patient office or other outpatient visit, 20-29 minutes 51 42 $63
43236 Injection of esophagus, stomach, and/or upper small bowel using a flexible endoscope 34 24 $17
99214 Established patient office or other outpatient visit, 30-39 minutes 32 30 $92
91038 Prolonged monitoring and recording of esophageal function through nasal tube with electrode 30 30 $53
99204 New patient office or other outpatient visit, 45-59 minutes 29 29 $127
43245 Dilation of stomach outlet using a flexible endoscope 22 18 $153

In context: peer comparison

Among 20 peers in this city , average services per provider: 75. This provider delivers 7.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$106
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Laborie Medical Technologies Corp. 1 $83.59
GENZYME CORPORATION 1 $22.48

By nature of payment

Food and Beverage
$106

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
567
Patients
119
Total drug cost
$66,562
Drug Type Claims Patients Total cost
Famotidine Generic 126 32 $8,784
Omeprazole Generic 110 35 $2,170
Rabeprazole Sodium Generic 71 24 $3,347
Pantoprazole Sodium Generic 53 17 $1,093
Dexlansoprazole Dr (Dexlansoprazole) Brand 39 0 $14,750
Linzess (Linaclotide) Brand 37 0 $24,959
Esomeprazole Magnesium Generic 31 0 $1,115
Sucralfate Generic 28 0 $5,080
Dicyclomine Hcl Generic 17 0 $664
Ondansetron Hcl Generic 17 0 $267

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Clayton's medical specialty?
Dr. Steven Clayton practices Gastroenterology Physician in Greenville, SC.
Where does Dr. Steven Clayton practice?
Dr. Steven Clayton practices at 890 W Faris RD, Greenville, SC 296054253. Office phone: 8644552888.
What is Dr. Steven Clayton's NPI?
Dr. Steven Clayton's National Provider Identifier (NPI) is 1144292459, issued by NPPES.
Does Dr. Steven Clayton accept Medicare assignment?
Yes. Dr. Steven Clayton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Clayton commonly perform?
Top Medicare-reported procedures in 2023: Insertion of guide wire with dilation of esophagus using a flexible endoscope (HCPCS 43248); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Study of esophagus to assess movement (HCPCS 91010). Source: CMS Medicare Physician & Other Practitioners file.