Doctor profile · Federal record

Dr. John Edmison, M.D.

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

  • NPI 1861662421
  • Accepts Medicare
  • MIPS 92.4 / 100 · 2023
  • 24 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7900 N Kings Hwy
Greenville, SC 295723055
(843) 449-3381
fax (843) 449-9721

Credentials & registration

NPPES · NUCC
NPI registered
March 2008 — 18 yrs on file
Profile last updated
June 1, 2020
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
South Carolina #40677 · Ohio #35.086546 · North Carolina #2009-00577

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861662421. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,553
Distinct HCPCS
10
Medicare allowed
$221,703
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 306 304 $236
99214 Established patient office or other outpatient visit, 30-39 minutes 229 167 $122
45380 Biopsy of large bowel using a flexible endoscope 213 213 $79
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 192 189 $91
99204 New patient office or other outpatient visit, 45-59 minutes 135 135 $157
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 81 79 $125
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 72 72 $171
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 50 50 $97
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 49 47 $141
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 43 43 $172

In context: peer comparison

Among 20 peers in Greenville Gastroenterology Physician, average services per provider: 75. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,114
Transactions
96
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 56 $1,133.68
Genzyme Corporation 4 $183.73
Janssen Biotech, INC. 8 $153.38
Phathom Pharmaceuticals, INC. 4 $148.14
Pfizer INC. 5 $101.85
Takeda Pharmaceuticals U.S.A., INC. 4 $75.29
Celgene Corporation 4 $66.59
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 3 $62.65
Ardelyx, INC. 2 $37.46
Gilead Sciences, INC. 1 $31.05
Daiichi Sankyo INC. 1 $28.84
Alnylam Pharmaceuticals INC. 1 $22.98
Ironwood Pharmaceuticals, INC 1 $19.09
Lilly USA, LLC 1 $17.61
Qol Medical, LLC 1 $16.14

By nature of payment

Food and Beverage
$2,114

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,233
Patients
519
Total drug cost
$76,787
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 592 205 $11,727
Omeprazole Generic 96 33 $1,756
Dicyclomine Hcl Generic 84 36 $1,860
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 81 79 $1,395
Famotidine Generic 68 29 $1,391
Esomeprazole Magnesium Generic 43 16 $1,733
Ondansetron Hcl Generic 41 17 $573
Metronidazole Generic 40 35 $447
Mesalamine Generic 32 0 $25,318
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 30 30 $5,354

Frequently asked questions

Auto-generated from federal data
What is Dr. John Edmison's medical specialty?
Dr. John Edmison practices Gastroenterology Physician in Greenville, SC.
Where does Dr. John Edmison practice?
Dr. John Edmison practices at 7900 N Kings Hwy, Greenville, SC 295723055. Office phone: 8434493381.
What is Dr. John Edmison's NPI?
Dr. John Edmison's National Provider Identifier (NPI) is 1861662421, issued by NPPES.
Does Dr. John Edmison accept Medicare assignment?
Yes. Dr. John Edmison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Edmison commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.