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Gastroenterology Physician in Newport Beach, CA
NPI: 1346324720Primary Practice Location
Hoag Endoscopy Center
500 Superior Ave, Newport Beach, CA
Primary Employer
Deguzman Medical Corporation
drdeguzman.com
HQ Phone
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Get Started for Freearrow_outwardCA State Medical License
CA State Medical License
1989 - 2025
IL State Medical License
1991 - 1996

American Board of Internal Medicine
Gastroenterology
University of Illinois College of Medicine at Chicago
Fellowship • Gastroenterology
1991 - 1994
Rutgers Health/Cooperman Barnabas Medical Center
Residency • Internal Medicine
1987 - 1990
University of Santo Tomas
Medical School
Until 1986
| # | Procedure Code (CPT®/HCPCS II) | Procedure Patients | Procedure Volume |
|---|---|---|---|
| 1 | 88305Pathology examination of tissue using a microscope, intermediate complexity | 135 | 637 |
| 2 | 99204New patient office or other outpatient visit, 45-59 minutes | 97 | 97 |
| 3 | 43239Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope | 85 | 85 |
| 4 | 45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 76 | 76 |
| 5 | 88312Special stained specimen slides to identify organisms including interpretation and report | 73 | 78 |
Diagnosis of acute hepatitis E infection utilizing enzyme immunoassay
Authors: Lino J. DeGuzman, David Pitrak, George J. Dawson, Daniel C. Shin, Timothy J. Holzer, Thomas J. Layden
Publication Date: 1994-08
Assessment of technical competence during ERCP training
Authors: James L. Watkins, K.P. Etzkorn, Thelma E. Wiley, Lino DeGuzman, James M. Harig
Recent nonsteroidal anti-inflammatory drug use increases the risk of early recurrence of bleeding in patients presenting with bleeding ulcer
Authors: Aslam Godil