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Physician

ALAN CHEN, M.D.

Gastroenterology

BALTIMORE, MD, 21237
NPI: 1033539945

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.

MIPS Quality Score

PY 2023
80.2/100High
Quality
76.7
Promoting Interoperability
100.0
Improvement Activities
40.0
Cost
53.5

MIPS (Merit-based Incentive Payment System) scores measure quality, cost, and improvement activities. Higher is better. Learn more at qpp.cms.gov

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
45380
Biopsy of large bowel using a flexible endoscope
$1,089$162$13046
43239
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope
$1,033$111$8649
45378
Diagnostic exam of large bowel using a flexible endoscope
$912$158$11818
43235
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope
$887$109$8655
45385
Removal of polyps or growths of large bowel using an endoscope with mechanical snare
$770$269$21760
G0105
Colorectal cancer screening; colonoscopy on individual at high risk
$497$181$18132
G0121
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk
$497$177$17730
99223
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
$486$183$14599
99204
New patient office or other outpatient visit, 45-59 minutes
$407$174$12881
99222
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
$328$138$10112
99214
Established patient office or other outpatient visit, 30-39 minutes
$295$135$9688
99203
New patient office or other outpatient visit, 30-44 minutes
$273$119$7243
99213
Established patient office or other outpatient visit, 20-29 minutes
$203$95$6634

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.