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Gastroenterologist Guide
Dr. Alexandra Guillaume
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Dr. Alexandra Guillaume Share
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Dr. Alexandra Guillaume
Gastroenterology
Female
16 years of practice

Dr. Alexandra Guillaume is a gastroenterologist in East Setauket,New York. She graduated from Tufts University School of Medicine in 2006 and has been in practice for 16 years.

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Specialties

Gender

Female

NPI number

1396981197

Services performed

Description# of Times Performed# of PatientsAverage Charge ($)
Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope25.025.01000.0
Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope67.065.01100.0
Diagnostic examination of large bowel using an endoscope27.025.01300.0
Biopsy of large bowel using an endoscope65.065.01500.0
Removal of polyps or growths of large bowel using an endoscope40.040.01950.0
Measurement of esophageal swallowing movement86.085.0375.0
Monitoring of gastroesophageal reflux including analysis and interpretation84.083.0250.0
Monitoring of gastroesophageal reflux including analysis and interpretation, prolonged (greater than 1 hour, up to 24 hours)47.045.0187.44680851
Measurement of hydrogen in breath to test for GI symptoms159.0148.0225.0
Testing of tone and sensation of rectum and anus33.033.0520.0
Study of anorectal pressure generated by muscles surrounding anus (sphincter)35.035.0390.0
New patient office or other outpatient visit, typically 30 minutes18.018.0261.66666667
New patient office or other outpatient visit, typically 45 minutes19.019.0388.94736842
Established patient office or other outpatient visit, typically 10 minutes11.011.0109.54545455
Established patient office or other outpatient visit, typically 15 minutes123.091.0185.0
Established patient office or other outpatient, visit typically 25 minutes69.061.0252.75362319
Initial hospital inpatient care, typically 30 minutes per day54.054.0243.61111111
Initial hospital inpatient care, typically 50 minutes per day25.025.0321.6

Average Charge ($) per Service

# of Times Performed per Service

# of Patients per Service

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Hospital affiliations

  • Suny/Stony Brook University Hospital
  • Canton-Potsdam Hospital
Practices Share
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Practices

Internal Medicine, Gastroenterology
302 health providers
631-444-0580

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