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Gastroenterology Physician in Walnut Creek, CA
NPI: 1205947884Primary Practice Location
Walnut Creek Endoscopy Center LLC
365 Lennon Ln, Walnut Creek, CA
Primary Employer
Bass Medical Group
bassmedicalgroup.com
HQ Phone
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Get Started for Freearrow_outwardCA State Medical License
CA State Medical License
1994 - 2025

American Board of Internal Medicine
Gastroenterology
University of California Davis Health
Fellowship • Gastroenterology
1996 - 1999
Residency • Internal Medicine
1993 - 1996
New York Medical College
nymc.edu
Medical School
Until 1993
| # | Procedure Code (CPT®/HCPCS II) | Procedure Patients | Procedure Volume |
|---|---|---|---|
| 1 | 99214Established patient office or other outpatient visit, 30-39 minutes | 258 | 464 |
| 2 | 45380Biopsy of the large bowel using an endoscope (colonoscopy) | 209 | 211 |
| 3 | 43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope | 170 | 175 |
| 4 | 99204New patient office or other outpatient visit, 45-59 minutes | 105 | 105 |
| 5 | 99213Established patient office or other outpatient visit, typically 15 minutes | 102 | 121 |
Educational experiences and quality of life of gastroenterology fellows in the United States.
Authors: Patrick Romano, John Lee, Joseph Leung
Journal: Am J Gastroenterol
Metastatic esophageal cancer leading to gastric perforation after repeat PEG placement.
Authors: John Lee
Journal: Am J Gastroenterol
Authors: John Lee
Journal: Am J Gastroenterol