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Physician

MARCUM GILLIS, MD

Gastroenterology

WINSTON SALEM, NC, 27103
NPI: 1053571620

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Gastroenterology

WINSTON SALEM, NC

Hospital Affiliations

Search procedure prices at these hospitals only · all code types (Gastroenterology & related)

Common Procedures for Gastroenterology

ColonoscopyUpper Endoscopy (EGD)Capsule EndoscopyLiver BiopsyERCPHemorrhoid BandingPolyp RemovalEsophageal DilationPEG Tube PlacementFibroScan

Based on specialty. Actual services may vary — contact the provider's office to confirm.

Procedure Pricing (Medicare Data)

Based on CMS Medicare Provider Utilization data for 2023. These represent what this physician charged Medicare, not necessarily what you would pay. Compare with other physicians

ProcedureAvg ChargeMedicare AllowedMedicare PaidServices
45385
Removal of polyps or growths of large bowel using an endoscope with mechanical snare
$1,395$242$20261
45380
Biopsy of large bowel using a flexible endoscope
$1,050$110$9363
G0105
Colorectal cancer screening; colonoscopy on individual at high risk
$925$164$16418
43239
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope
$925$100$8143
43235
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope
$900$110$8918
43450
Dilation of esophagus
$680$38$3118
96413
Administration of chemotherapy into vein, 1 hour or less
$300$123$8930
99204
New patient office or other outpatient visit, 45-59 minutes
$249$158$11755
99214
Established patient office or other outpatient visit, 30-39 minutes
$156$122$8980
J1745
Injection, infliximab, excludes biosimilar, 10 mg
$145$33$261,410
96365
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less
$135$60$4617
99213
Established patient office or other outpatient visit, 20-29 minutes
$110$87$6058
99231
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes
$85$48$3914
96415
Administration of chemotherapy into vein, each additional hour
$75$27$2026

Compare prices for procedures performed by Gastroenterology physicians

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Physician identity data from the NPPES NPI Registry. Last synced 3/28/2026.